{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-05-25T20:04:51.125Z"},"system":{"slug":"metro__065__santa-ana","name":"Santa Ana","state":"CA","year":2024,"url":"https://www.thewatermap.com/water/ca/santa-ana/2024","apiUrl":"https://www.thewatermap.com/api/water/ca/santa-ana/2024","markdownUrl":"https://www.thewatermap.com/water/ca/santa-ana/2024/llms.txt","coordinates":{"latitude":33.7494951,"longitude":-117.873221},"contaminantsMeasured":51,"contaminantsWithFederalLimit":32,"contaminantsAtOrAboveLimit":2,"contaminantsApproachingLimit":1,"source":{"type":"Consumer Confidence Report (CCR)","description":"Figures are transcribed from the water utility's own annual Consumer Confidence Report, cross-checked by a second model, and approved by a person before publishing."},"families":[{"family":"disinfectant","familyLabel":"Disinfectants","contaminants":[{"analyteId":"chlorine","name":"Chlorine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A disinfectant added to drinking water to kill bacteria and viruses.","whyItMatters":"Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.","measured":{"value":1.01,"low":null,"high":null,"kind":"point","display":"1.01","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1.01"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.01,"low":null,"high":null,"kind":"point","display":"1.01","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1.01"},{"value":2.9,"low":0,"high":2.9,"kind":"range","display":"0–2.9","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2.9"}]}]},{"family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","contaminants":[{"analyteId":"bromate","name":"Bromate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"15541-45-4","whatItIs":"A disinfection byproduct formed when bromide-containing water is treated with ozone.","whyItMatters":"Classified as a probable human carcinogen; the EPA sets a strict maximum contaminant level.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":10,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.6,"low":0,"high":1.6,"kind":"range","display":"0–1.6","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 1.6"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"bromodichloroacetic_acid","name":"Bromodichloroacetic acid","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"71133-14-7","whatItIs":"A brominated haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored but without its own enforceable federal limit.","measured":{"value":0.86,"low":null,"high":null,"kind":"point","display":"0.86","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.86"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.1,"low":0,"high":2.1,"kind":"range","display":"0–2.1","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2.1"},{"value":0.86,"low":null,"high":null,"kind":"point","display":"0.86","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.86"}]},{"analyteId":"haa5","name":"HAA5","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.","whyItMatters":"Long-term exposure above the federal limit is associated with an increased cancer risk.","measured":{"value":17,"low":null,"high":null,"kind":"point","display":"17","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"17"},"federalStandard":{"type":"MCL","value":60,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":10,"low":0,"high":10,"kind":"range","display":"0–10","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 10"},{"value":17,"low":null,"high":null,"kind":"point","display":"17","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"17"}]},{"analyteId":"perchlorate","name":"Perchlorate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"14797-73-0","whatItIs":"A chemical used in rocket fuel and fireworks that can also form during disinfection.","whyItMatters":"Can interfere with thyroid hormone production; has no national enforceable limit but is regulated in some states.","measured":{"value":1.2,"low":null,"high":null,"kind":"point","display":"1.2","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1.2"},"federalStandard":{"type":"MCL","value":6,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.8,"low":0,"high":2.8,"kind":"range","display":"0–2.8","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2.8"},{"value":1.2,"low":null,"high":null,"kind":"point","display":"1.2","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1.2"}]},{"analyteId":"tthm","name":"TTHM","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.","whyItMatters":"Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.","measured":{"value":45,"low":null,"high":null,"kind":"point","display":"45","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"45"},"federalStandard":{"type":"MCL","value":80,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":34,"low":0,"high":34,"kind":"range","display":"0–34","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 34"},{"value":45,"low":null,"high":null,"kind":"point","display":"45","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"45"}]}]},{"family":"inorganic","familyLabel":"Inorganic chemicals","contaminants":[{"analyteId":"bromide","name":"Bromide","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"24959-67-9","whatItIs":"A naturally occurring salt found in source water.","whyItMatters":"Not directly regulated, but a precursor that increases formation of brominated disinfection byproducts.","measured":{"value":0.13,"low":null,"high":null,"kind":"point","display":"0.13","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.13"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.13,"low":null,"high":null,"kind":"point","display":"0.13","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.13"},{"value":0.29,"low":0.062,"high":0.29,"kind":"range","display":"0.062–0.29","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.062 - 0.29"}]},{"analyteId":"bromochloroacetic_acid","name":"Bromochloroacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"5589-96-8","whatItIs":"A mixed-halogen haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored without its own enforceable limit.","measured":{"value":0.81,"low":null,"high":null,"kind":"point","display":"0.81","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.81"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.9,"low":0,"high":3.9,"kind":"range","display":"0–3.9","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 3.9"},{"value":0.81,"low":null,"high":null,"kind":"point","display":"0.81","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.81"}]},{"analyteId":"chloride","name":"Chloride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16887-00-6","whatItIs":"A naturally occurring salt compound.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels cause a salty taste and can corrode pipes.","measured":{"value":104,"low":null,"high":null,"kind":"point","display":"104","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"104"},"federalStandard":{"type":"MCL","value":500,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":116,"low":93,"high":116,"kind":"range","display":"93–116","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"93 - 116"},{"value":104,"low":null,"high":null,"kind":"point","display":"104","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"104"},{"value":71,"low":21,"high":71,"kind":"range","display":"21–71","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"21 - 71"},{"value":44,"low":null,"high":null,"kind":"point","display":"44","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"44"}]},{"analyteId":"chlorodibromoacetic_acid","name":"Chlorodibromoacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"5278-95-5","whatItIs":"A brominated haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored but without its own enforceable federal limit.","measured":{"value":0.55,"low":null,"high":null,"kind":"point","display":"0.55","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.55"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.4,"low":0,"high":1.4,"kind":"range","display":"0–1.4","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 1.4"},{"value":0.55,"low":null,"high":null,"kind":"point","display":"0.55","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.55"}]},{"analyteId":"dibromoacetic_acid","name":"Dibromoacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"631-64-1","whatItIs":"A brominated haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored without its own enforceable limit.","measured":{"value":0.66,"low":null,"high":null,"kind":"point","display":"0.66","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.66"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2,"low":0,"high":2,"kind":"range","display":"0–2","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2.0"},{"value":0.66,"low":null,"high":null,"kind":"point","display":"0.66","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.66"}]},{"analyteId":"dichloroacetic_acid","name":"Dichloroacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"79-43-6","whatItIs":"A haloacetic acid disinfection byproduct.","whyItMatters":"One of the five haloacetic acids regulated together as HAA5 for cancer risk.","measured":{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1.1"},"federalStandard":{"type":"MCLG","value":0,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1.1"},{"value":6.1,"low":0,"high":6.1,"kind":"range","display":"0–6.1","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 6.1"}]},{"analyteId":"fluoride","name":"Fluoride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16984-48-8","whatItIs":"A mineral often added to drinking water to help prevent tooth decay.","whyItMatters":"Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.","measured":{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.7"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.33,"low":null,"high":null,"kind":"point","display":"0.33","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.33"},{"value":0.8,"low":0.6,"high":0.8,"kind":"range","display":"0.6–0.8","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.6 - 0.8"},{"value":0.42,"low":0.18,"high":0.42,"kind":"range","display":"0.18–0.42","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.18 - 0.42"},{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.7"}]},{"analyteId":"monobromoacetic_acid","name":"Monobromoacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"79-08-3","whatItIs":"A brominated haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored without its own enforceable limit.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":0.4,"low":0,"high":0.4,"kind":"range","display":"0–0.4","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.4"}]},{"analyteId":"nitrate","name":"Nitrate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14797-55-8","whatItIs":"A compound from fertilizer runoff, septic systems, and erosion of natural deposits.","whyItMatters":"Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.","measured":{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3.5,"low":0.52,"high":3.5,"kind":"range","display":"0.52–3.5","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.52 - 3.5"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2"}]},{"analyteId":"sulfate","name":"Sulfate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14808-79-8","whatItIs":"A naturally occurring mineral from rock and soil.","whyItMatters":"No health-based federal limit; high levels can have a laxative effect and a bitter taste.","measured":{"value":224,"low":null,"high":null,"kind":"point","display":"224","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"224"},"federalStandard":{"type":"MCL","value":500,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":224,"low":null,"high":null,"kind":"point","display":"224","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"224"},{"value":84,"low":null,"high":null,"kind":"point","display":"84","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"84"},{"value":253,"low":196,"high":253,"kind":"range","display":"196–253","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"196 - 253"},{"value":130,"low":51,"high":130,"kind":"range","display":"51–130","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"51 - 130"}]},{"analyteId":"trichloroacetic_acid","name":"Trichloroacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"76-03-9","whatItIs":"A haloacetic acid disinfection byproduct.","whyItMatters":"One of the five haloacetic acids regulated together as HAA5.","measured":{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1.0"},"federalStandard":{"type":"MCLG","value":20,"units":"ug/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.5,"low":0,"high":2.5,"kind":"range","display":"0–2.5","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2.5"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1.0"}]}]},{"family":"metal","familyLabel":"Metals","contaminants":[{"analyteId":"aluminum","name":"Aluminum","family":"metal","familyLabel":"Metals","casrn":"7429-90-5","whatItIs":"A common element sometimes used as a treatment coagulant.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels can discolor water.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":200,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":110,"low":0,"high":110,"kind":"range","display":"0–110","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 110"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":0.11,"low":0,"high":0.11,"kind":"range","display":"0–0.11","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.11"}]},{"analyteId":"arsenic","name":"Arsenic","family":"metal","familyLabel":"Metals","casrn":"7440-38-2","whatItIs":"A naturally occurring element that also enters water from industry and agriculture.","whyItMatters":"A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":10,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.5,"low":0,"high":2.5,"kind":"range","display":"0–2.5","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2.5"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"barium","name":"Barium","family":"metal","familyLabel":"Metals","casrn":"7440-39-3","whatItIs":"A metal from erosion of natural deposits and industrial discharge.","whyItMatters":"Long-term exposure above the federal limit can raise blood pressure.","measured":{"value":0.124,"low":null,"high":null,"kind":"point","display":"0.124","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.124"},"federalStandard":{"type":"MCL","value":1,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":0.124,"low":null,"high":null,"kind":"point","display":"0.124","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.124"},{"value":0.107,"low":0,"high":0.107,"kind":"range","display":"0–0.107","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.107"},{"value":0.124,"low":null,"high":null,"kind":"point","display":"0.124","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.124"}]},{"analyteId":"boron","name":"Boron","family":"metal","familyLabel":"Metals","casrn":"7440-42-8","whatItIs":"A naturally occurring element from rock and soil.","whyItMatters":"No enforceable federal limit; the EPA has issued a health advisory level.","measured":{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.14"},"federalStandard":{"type":"NL","value":1,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.14"},{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.14"}]},{"analyteId":"calcium","name":"Calcium","family":"metal","familyLabel":"Metals","casrn":"7440-70-2","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":73,"low":null,"high":null,"kind":"point","display":"73","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"73"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":73,"low":null,"high":null,"kind":"point","display":"73","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"73"},{"value":93,"low":42,"high":93,"kind":"range","display":"42–93","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"42 - 93"},{"value":78,"low":58,"high":78,"kind":"range","display":"58–78","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"58 - 78"},{"value":68,"low":null,"high":null,"kind":"point","display":"68","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"68"}]},{"analyteId":"chromium_hex","name":"Chromium, Hexavalent","family":"metal","familyLabel":"Metals","casrn":"18540-29-9","whatItIs":"Hexavalent chromium ('chromium-6') — the more toxic form of chromium.","whyItMatters":"A known carcinogen by inhalation; regulated nationally only within the total-chromium limit, with stricter limits in some states.","measured":{"value":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1.4"},"federalStandard":{"type":"MCL","value":10,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.3,"low":0.29,"high":2.3,"kind":"range","display":"0.29–2.3","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.29 - 2.3"},{"value":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1.4"}]},{"analyteId":"copper","name":"Copper","family":"metal","familyLabel":"Metals","casrn":"7440-50-8","whatItIs":"A metal that enters water from corroding household plumbing.","whyItMatters":"Short-term exposure causes stomach distress; long-term exposure can damage the liver and kidneys.","measured":{"value":0.17,"low":null,"high":null,"kind":"point","display":"0.17","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.17"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.17,"low":null,"high":null,"kind":"point","display":"0.17","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.17"}]},{"analyteId":"lead","name":"Lead","family":"metal","familyLabel":"Metals","casrn":"7439-92-1","whatItIs":"A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.","whyItMatters":"There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"AL","value":15,"units":"ug/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"ND"}]},{"analyteId":"lithium","name":"Lithium","family":"metal","familyLabel":"Metals","casrn":"7439-93-2","whatItIs":"A naturally occurring element found in some groundwater.","whyItMatters":"No enforceable federal limit; on the EPA contaminant candidate list for further study.","measured":{"value":22,"low":null,"high":null,"kind":"point","display":"22","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"22"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":35,"low":0,"high":35,"kind":"range","display":"0–35","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 35"},{"value":22,"low":null,"high":null,"kind":"point","display":"22","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"22"},{"value":4.4,"low":null,"high":null,"kind":"point","display":"4.4","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"4.4"},{"value":36,"low":0,"high":36,"kind":"range","display":"0–36","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 36"}]},{"analyteId":"magnesium","name":"Magnesium","family":"metal","familyLabel":"Metals","casrn":"7439-95-4","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":26,"low":null,"high":null,"kind":"point","display":"26","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"26"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":26,"low":null,"high":null,"kind":"point","display":"26","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"26"},{"value":14,"low":null,"high":null,"kind":"point","display":"14","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"14"},{"value":18,"low":8.4,"high":18,"kind":"range","display":"8.4–18","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"8.4 - 18"},{"value":29,"low":22,"high":29,"kind":"range","display":"22–29","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"22 -29"}]},{"analyteId":"manganese","name":"Manganese","family":"metal","familyLabel":"Metals","casrn":"7439-96-5","whatItIs":"A naturally occurring metal from soil and rock.","whyItMatters":"No enforceable federal limit; high levels stain fixtures and laundry and can affect taste, with a health advisory for infants.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"SMCL","value":50,"units":"ug/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.9,"low":0,"high":0.9,"kind":"range","display":"0–0.9","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.9"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"potassium","name":"Potassium","family":"metal","familyLabel":"Metals","casrn":"7440-09-7","whatItIs":"A naturally occurring mineral from rock and soil.","whyItMatters":"Not federally regulated for health.","measured":{"value":4.9,"low":null,"high":null,"kind":"point","display":"4.9","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"4.9"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4.9,"low":null,"high":null,"kind":"point","display":"4.9","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"4.9"},{"value":2.3,"low":null,"high":null,"kind":"point","display":"2.3","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2.3"},{"value":2.9,"low":1.5,"high":2.9,"kind":"range","display":"1.5–2.9","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"1.5 - 2.9"},{"value":5.4,"low":4.4,"high":5.4,"kind":"range","display":"4.4–5.4","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"4.4 - 5.4"}]},{"analyteId":"selenium","name":"Selenium","family":"metal","familyLabel":"Metals","casrn":"7782-49-2","whatItIs":"A trace element from natural deposits and industrial discharge.","whyItMatters":"Essential in tiny amounts, but long-term exposure above the federal limit can cause hair and fingernail loss and circulatory problems.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":50,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":7.6,"low":0,"high":7.6,"kind":"range","display":"0–7.6","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 7.6"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"sodium","name":"Sodium","family":"metal","familyLabel":"Metals","casrn":"7440-23-5","whatItIs":"A naturally occurring salt component.","whyItMatters":"Not federally regulated for health; relevant for people on sodium-restricted diets.","measured":{"value":103,"low":null,"high":null,"kind":"point","display":"103","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"103"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":52,"low":37.1,"high":52,"kind":"range","display":"37.1–52","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"37.1 - 52"},{"value":103,"low":null,"high":null,"kind":"point","display":"103","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"103"},{"value":43.6,"low":null,"high":null,"kind":"point","display":"43.6","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"43.6"},{"value":116,"low":90,"high":116,"kind":"range","display":"90–116","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"90 - 116"}]}]},{"family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","contaminants":[{"analyteId":"pfbs","name":"Perfluorobutanesulfonic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"375-73-5","whatItIs":"Perfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Has no standalone limit but is part of the EPA PFAS Hazard Index that limits PFAS in combination.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"NL","value":500,"units":"ng/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 3"}]},{"analyteId":"pfhxs","name":"Perfluorohexanesulfonic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"355-46-4","whatItIs":"Perfluorohexanesulfonic acid, a PFAS 'forever chemical.'","whyItMatters":"Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.","measured":{"value":2.7,"low":null,"high":null,"kind":"point","display":"2.7","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2.7"},"federalStandard":{"type":"NL","value":3,"units":"ng/L","enforceable":false},"status":{"key":"approaching","label":"Approaching the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":7.3,"low":0,"high":7.3,"kind":"range","display":"0–7.3","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 7.3"},{"value":2.7,"low":null,"high":null,"kind":"point","display":"2.7","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2.7"},{"value":9.5,"low":0,"high":9.5,"kind":"range","display":"0–9.5","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 9.5"}]},{"analyteId":"pfhxa","name":"Perfluorohexanoic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"307-24-4","whatItIs":"Perfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent and widely detected.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":3.5,"low":0,"high":3.5,"kind":"range","display":"0–3.5","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 3.5"},{"value":4.1,"low":0,"high":4.1,"kind":"range","display":"0–4.1","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 4.1"}]},{"analyteId":"pfpea","name":"Perfluoropentanoic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"2706-90-3","whatItIs":"Perfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent in the environment.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":6.3,"low":0,"high":6.3,"kind":"range","display":"0–6.3","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 6.3"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":3.7,"low":0,"high":3.7,"kind":"range","display":"0–3.7","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 3.7"}]},{"analyteId":"pfba","name":"PFBA","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"375-22-4","whatItIs":"Perfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent in the environment and the human body.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 5"}]},{"analyteId":"pfoa","name":"PFOA","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"335-67-1","whatItIs":"Perfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products.","whyItMatters":"Linked to cancer, liver damage, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.","measured":{"value":2.4,"low":null,"high":null,"kind":"point","display":"2.4","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2.4"},"federalStandard":{"type":"NL","value":5.1,"units":"ng/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":7.5,"low":0,"high":7.5,"kind":"range","display":"0–7.5","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 7.5"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":8.7,"low":0,"high":8.7,"kind":"range","display":"0–8.7","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 8.7"},{"value":2.4,"low":null,"high":null,"kind":"point","display":"2.4","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2.4"}]},{"analyteId":"pfos","name":"PFOS","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"1763-23-1","whatItIs":"Perfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings.","whyItMatters":"Linked to cancer, thyroid disease, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.","measured":{"value":3.8,"low":null,"high":null,"kind":"point","display":"3.8","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"3.8"},"federalStandard":{"type":"NL","value":6.5,"units":"ng/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":18,"low":0,"high":18,"kind":"range","display":"0–18","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 18"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":13,"low":0,"high":13,"kind":"range","display":"0–13","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 13"},{"value":3.8,"low":null,"high":null,"kind":"point","display":"3.8","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"3.8"}]}]},{"family":"physical_aggregate","familyLabel":"Physical & aggregate","contaminants":[{"analyteId":"alkalinity","name":"Alkalinity","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of the water's capacity to neutralize acids.","whyItMatters":"Not federally regulated for health; relevant to corrosion control and treatment.","measured":{"value":164,"low":null,"high":null,"kind":"point","display":"164","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"164"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":123,"low":105,"high":123,"kind":"range","display":"105–123","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"105 - 123"},{"value":114,"low":null,"high":null,"kind":"point","display":"114","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"114"},{"value":179,"low":146,"high":179,"kind":"range","display":"146–179","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"146 - 179"},{"value":164,"low":null,"high":null,"kind":"point","display":"164","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"164"}]},{"analyteId":"bicarbonate","name":"Bicarbonate","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":"71-52-3","whatItIs":null,"whyItMatters":null,"measured":{"value":202,"low":null,"high":null,"kind":"point","display":"202","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"202"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":219,"low":178,"high":219,"kind":"range","display":"178–219","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"178 - 219"},{"value":202,"low":null,"high":null,"kind":"point","display":"202","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"202"}]},{"analyteId":"color","name":"Color","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of visible tint in the water.","whyItMatters":"Regulated only as a secondary (cosmetic) standard.","measured":{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":{"type":"MCL","value":15,"units":null,"enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":10,"low":0,"high":10,"kind":"range","display":"0–10","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 10"},{"value":2,"low":1,"high":2,"kind":"range","display":"1–2","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1 - 2"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 3"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"hardness","name":"Hardness","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of dissolved calcium and magnesium minerals.","whyItMatters":"Not federally regulated for health; affects scaling, soap use, and taste.","measured":{"value":270,"low":null,"high":null,"kind":"point","display":"270","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"270"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4.3,"low":null,"high":null,"kind":"point","display":"4.3","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"4.3"},{"value":18,"low":14,"high":18,"kind":"range","display":"14–18","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"14 - 18"},{"value":307,"low":136,"high":307,"kind":"range","display":"136–307","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"136 - 307"},{"value":270,"low":null,"high":null,"kind":"point","display":"270","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"270"},{"value":5.5,"low":2.5,"high":5.5,"kind":"range","display":"2.5–5.5","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"2.5 - 5.5"},{"value":242,"low":null,"high":null,"kind":"point","display":"242","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"242"},{"value":16,"low":null,"high":null,"kind":"point","display":"16","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"16"},{"value":305,"low":235,"high":305,"kind":"range","display":"235–305","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"235 - 305"}]},{"analyteId":"odor","name":"Odor","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of detectable smell in the water.","whyItMatters":"Regulated only as a secondary (cosmetic) standard.","measured":{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":{"type":"MCL","value":3,"units":null,"enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1"},{"value":2,"low":1,"high":2,"kind":"range","display":"1–2","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1 - 2"}]},{"analyteId":"ph","name":"pH","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how acidic or basic the water is.","whyItMatters":"Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.","measured":{"value":8.2,"low":null,"high":null,"kind":"point","display":"8.2","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"8.2"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":8,"low":7.8,"high":8,"kind":"range","display":"7.8–8","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"7.8 - 8"},{"value":8.2,"low":null,"high":null,"kind":"point","display":"8.2","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"8.2"},{"value":8,"low":null,"high":null,"kind":"point","display":"8","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"8"},{"value":8.2,"low":null,"high":null,"kind":"point","display":"8.2","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"8.2"}]},{"analyteId":"specific_conductance","name":"Specific Conductance","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how well water conducts electricity, which tracks dissolved mineral content.","whyItMatters":"Not federally regulated for health; used as a proxy for total dissolved solids.","measured":{"value":979,"low":null,"high":null,"kind":"point","display":"979","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"979"},"federalStandard":{"type":"MCL","value":1,"units":null,"enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":789,"low":460,"high":789,"kind":"range","display":"460–789","units":"uS/cm","statisticType":"range","samplingContext":"system","rawVerbatim":"460 - 789"},{"value":629,"low":null,"high":null,"kind":"point","display":"629","units":"uS/cm","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"629"},{"value":1070,"low":888,"high":1070,"kind":"range","display":"888–1070","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"888 - 1,070"},{"value":979,"low":null,"high":null,"kind":"point","display":"979","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"979"}]},{"analyteId":"toc","name":"TOC","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"Total organic carbon — a measure of organic material dissolved in the water.","whyItMatters":"Not harmful itself, but it is the raw material that forms disinfection byproducts; removal is a treatment requirement.","measured":{"value":2.4,"low":null,"high":null,"kind":"point","display":"2.4","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2.4"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.18,"low":null,"high":null,"kind":"point","display":"0.18","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.18"},{"value":0.29,"low":0.08,"high":0.29,"kind":"range","display":"0.08–0.29","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.08 - 0.29"},{"value":2.5,"low":2,"high":2.5,"kind":"range","display":"2–2.5","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"2 - 2.5"},{"value":2.4,"low":null,"high":null,"kind":"point","display":"2.4","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2.4"}]},{"analyteId":"tds","name":"Total Dissolved Solids","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"Total dissolved solids — the combined content of all dissolved minerals and salts.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels affect taste and hardness.","measured":{"value":621,"low":null,"high":null,"kind":"point","display":"621","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"621"},"federalStandard":{"type":"MCL","value":1,"units":"mg/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":395,"low":null,"high":null,"kind":"point","display":"395","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"395"},{"value":621,"low":null,"high":null,"kind":"point","display":"621","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"621"},{"value":686,"low":556,"high":686,"kind":"range","display":"556–686","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"556 - 686"},{"value":488,"low":274,"high":488,"kind":"range","display":"274–488","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"274 - 488"}]},{"analyteId":"turbidity","name":"Turbidity","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of cloudiness from suspended particles in the water.","whyItMatters":"High turbidity can shelter microbes from disinfection; the EPA enforces it through a treatment-technique standard.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":5,"units":"NTU","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.15,"low":0,"high":0.15,"kind":"range","display":"0–0.15","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.15"},{"value":1.1,"low":0,"high":1.1,"kind":"range","display":"0–1.1","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 1.1"},{"value":0.06,"low":null,"high":null,"kind":"point","display":"0.06","units":"NTU","statisticType":"reported_level","samplingContext":"plant:Metropolitan Water District Diemer Filtration Plant","rawVerbatim":"0.06"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]}]},{"family":"radionuclide","familyLabel":"Radionuclides","contaminants":[{"analyteId":"gross_alpha","name":"Gross Alpha","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Gross alpha particle activity — a combined measure of alpha-emitting radioactive substances.","whyItMatters":"Long-term exposure above the federal limit increases cancer risk.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":15,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 5"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"gross_beta","name":"Gross Beta Particle Activity","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Gross beta particle activity — a combined measure of beta-emitting radioactive substances.","whyItMatters":"Long-term exposure above the federal screening level increases cancer risk.","measured":{"value":4,"low":null,"high":null,"kind":"point","display":"4","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"4"},"federalStandard":{"type":"MCL","value":50,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 5"},{"value":4,"low":null,"high":null,"kind":"point","display":"4","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"4"}]},{"analyteId":"uranium","name":"Uranium","family":"radionuclide","familyLabel":"Radionuclides","casrn":"7440-61-1","whatItIs":"A naturally occurring radioactive metal from erosion of natural deposits.","whyItMatters":"Long-term exposure above the federal limit can damage the kidneys and increase cancer risk.","measured":{"value":2.6,"low":null,"high":null,"kind":"point","display":"2.6","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2.6"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":4.9,"low":0,"high":4.9,"kind":"range","display":"0–4.9","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 4.9"},{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 3"},{"value":2.6,"low":null,"high":null,"kind":"point","display":"2.6","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2.6"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1"}]}]}],"contaminants":[{"analyteId":"chlorine","name":"Chlorine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A disinfectant added to drinking water to kill bacteria and viruses.","whyItMatters":"Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.","measured":{"value":1.01,"low":null,"high":null,"kind":"point","display":"1.01","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1.01"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.01,"low":null,"high":null,"kind":"point","display":"1.01","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1.01"},{"value":2.9,"low":0,"high":2.9,"kind":"range","display":"0–2.9","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2.9"}]},{"analyteId":"bromate","name":"Bromate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"15541-45-4","whatItIs":"A disinfection byproduct formed when bromide-containing water is treated with ozone.","whyItMatters":"Classified as a probable human carcinogen; the EPA sets a strict maximum contaminant level.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":10,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.6,"low":0,"high":1.6,"kind":"range","display":"0–1.6","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 1.6"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"bromodichloroacetic_acid","name":"Bromodichloroacetic acid","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"71133-14-7","whatItIs":"A brominated haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored but without its own enforceable federal limit.","measured":{"value":0.86,"low":null,"high":null,"kind":"point","display":"0.86","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.86"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.1,"low":0,"high":2.1,"kind":"range","display":"0–2.1","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2.1"},{"value":0.86,"low":null,"high":null,"kind":"point","display":"0.86","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.86"}]},{"analyteId":"haa5","name":"HAA5","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.","whyItMatters":"Long-term exposure above the federal limit is associated with an increased cancer risk.","measured":{"value":17,"low":null,"high":null,"kind":"point","display":"17","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"17"},"federalStandard":{"type":"MCL","value":60,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":10,"low":0,"high":10,"kind":"range","display":"0–10","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 10"},{"value":17,"low":null,"high":null,"kind":"point","display":"17","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"17"}]},{"analyteId":"perchlorate","name":"Perchlorate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"14797-73-0","whatItIs":"A chemical used in rocket fuel and fireworks that can also form during disinfection.","whyItMatters":"Can interfere with thyroid hormone production; has no national enforceable limit but is regulated in some states.","measured":{"value":1.2,"low":null,"high":null,"kind":"point","display":"1.2","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1.2"},"federalStandard":{"type":"MCL","value":6,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.8,"low":0,"high":2.8,"kind":"range","display":"0–2.8","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2.8"},{"value":1.2,"low":null,"high":null,"kind":"point","display":"1.2","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1.2"}]},{"analyteId":"tthm","name":"TTHM","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.","whyItMatters":"Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.","measured":{"value":45,"low":null,"high":null,"kind":"point","display":"45","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"45"},"federalStandard":{"type":"MCL","value":80,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":34,"low":0,"high":34,"kind":"range","display":"0–34","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 34"},{"value":45,"low":null,"high":null,"kind":"point","display":"45","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"45"}]},{"analyteId":"bromide","name":"Bromide","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"24959-67-9","whatItIs":"A naturally occurring salt found in source water.","whyItMatters":"Not directly regulated, but a precursor that increases formation of brominated disinfection byproducts.","measured":{"value":0.13,"low":null,"high":null,"kind":"point","display":"0.13","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.13"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.13,"low":null,"high":null,"kind":"point","display":"0.13","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.13"},{"value":0.29,"low":0.062,"high":0.29,"kind":"range","display":"0.062–0.29","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.062 - 0.29"}]},{"analyteId":"bromochloroacetic_acid","name":"Bromochloroacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"5589-96-8","whatItIs":"A mixed-halogen haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored without its own enforceable limit.","measured":{"value":0.81,"low":null,"high":null,"kind":"point","display":"0.81","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.81"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.9,"low":0,"high":3.9,"kind":"range","display":"0–3.9","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 3.9"},{"value":0.81,"low":null,"high":null,"kind":"point","display":"0.81","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.81"}]},{"analyteId":"chloride","name":"Chloride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16887-00-6","whatItIs":"A naturally occurring salt compound.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels cause a salty taste and can corrode pipes.","measured":{"value":104,"low":null,"high":null,"kind":"point","display":"104","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"104"},"federalStandard":{"type":"MCL","value":500,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":116,"low":93,"high":116,"kind":"range","display":"93–116","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"93 - 116"},{"value":104,"low":null,"high":null,"kind":"point","display":"104","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"104"},{"value":71,"low":21,"high":71,"kind":"range","display":"21–71","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"21 - 71"},{"value":44,"low":null,"high":null,"kind":"point","display":"44","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"44"}]},{"analyteId":"chlorodibromoacetic_acid","name":"Chlorodibromoacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"5278-95-5","whatItIs":"A brominated haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored but without its own enforceable federal limit.","measured":{"value":0.55,"low":null,"high":null,"kind":"point","display":"0.55","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.55"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.4,"low":0,"high":1.4,"kind":"range","display":"0–1.4","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 1.4"},{"value":0.55,"low":null,"high":null,"kind":"point","display":"0.55","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.55"}]},{"analyteId":"dibromoacetic_acid","name":"Dibromoacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"631-64-1","whatItIs":"A brominated haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored without its own enforceable limit.","measured":{"value":0.66,"low":null,"high":null,"kind":"point","display":"0.66","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.66"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2,"low":0,"high":2,"kind":"range","display":"0–2","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2.0"},{"value":0.66,"low":null,"high":null,"kind":"point","display":"0.66","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.66"}]},{"analyteId":"dichloroacetic_acid","name":"Dichloroacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"79-43-6","whatItIs":"A haloacetic acid disinfection byproduct.","whyItMatters":"One of the five haloacetic acids regulated together as HAA5 for cancer risk.","measured":{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1.1"},"federalStandard":{"type":"MCLG","value":0,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1.1"},{"value":6.1,"low":0,"high":6.1,"kind":"range","display":"0–6.1","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 6.1"}]},{"analyteId":"fluoride","name":"Fluoride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16984-48-8","whatItIs":"A mineral often added to drinking water to help prevent tooth decay.","whyItMatters":"Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.","measured":{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.7"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.33,"low":null,"high":null,"kind":"point","display":"0.33","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.33"},{"value":0.8,"low":0.6,"high":0.8,"kind":"range","display":"0.6–0.8","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.6 - 0.8"},{"value":0.42,"low":0.18,"high":0.42,"kind":"range","display":"0.18–0.42","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.18 - 0.42"},{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.7"}]},{"analyteId":"monobromoacetic_acid","name":"Monobromoacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"79-08-3","whatItIs":"A brominated haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored without its own enforceable limit.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":0.4,"low":0,"high":0.4,"kind":"range","display":"0–0.4","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.4"}]},{"analyteId":"nitrate","name":"Nitrate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14797-55-8","whatItIs":"A compound from fertilizer runoff, septic systems, and erosion of natural deposits.","whyItMatters":"Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.","measured":{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3.5,"low":0.52,"high":3.5,"kind":"range","display":"0.52–3.5","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.52 - 3.5"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2"}]},{"analyteId":"sulfate","name":"Sulfate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14808-79-8","whatItIs":"A naturally occurring mineral from rock and soil.","whyItMatters":"No health-based federal limit; high levels can have a laxative effect and a bitter taste.","measured":{"value":224,"low":null,"high":null,"kind":"point","display":"224","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"224"},"federalStandard":{"type":"MCL","value":500,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":224,"low":null,"high":null,"kind":"point","display":"224","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"224"},{"value":84,"low":null,"high":null,"kind":"point","display":"84","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"84"},{"value":253,"low":196,"high":253,"kind":"range","display":"196–253","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"196 - 253"},{"value":130,"low":51,"high":130,"kind":"range","display":"51–130","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"51 - 130"}]},{"analyteId":"trichloroacetic_acid","name":"Trichloroacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"76-03-9","whatItIs":"A haloacetic acid disinfection byproduct.","whyItMatters":"One of the five haloacetic acids regulated together as HAA5.","measured":{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1.0"},"federalStandard":{"type":"MCLG","value":20,"units":"ug/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.5,"low":0,"high":2.5,"kind":"range","display":"0–2.5","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2.5"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1.0"}]},{"analyteId":"aluminum","name":"Aluminum","family":"metal","familyLabel":"Metals","casrn":"7429-90-5","whatItIs":"A common element sometimes used as a treatment coagulant.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels can discolor water.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":200,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":110,"low":0,"high":110,"kind":"range","display":"0–110","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 110"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":0.11,"low":0,"high":0.11,"kind":"range","display":"0–0.11","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.11"}]},{"analyteId":"arsenic","name":"Arsenic","family":"metal","familyLabel":"Metals","casrn":"7440-38-2","whatItIs":"A naturally occurring element that also enters water from industry and agriculture.","whyItMatters":"A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":10,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.5,"low":0,"high":2.5,"kind":"range","display":"0–2.5","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2.5"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"barium","name":"Barium","family":"metal","familyLabel":"Metals","casrn":"7440-39-3","whatItIs":"A metal from erosion of natural deposits and industrial discharge.","whyItMatters":"Long-term exposure above the federal limit can raise blood pressure.","measured":{"value":0.124,"low":null,"high":null,"kind":"point","display":"0.124","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.124"},"federalStandard":{"type":"MCL","value":1,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":0.124,"low":null,"high":null,"kind":"point","display":"0.124","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.124"},{"value":0.107,"low":0,"high":0.107,"kind":"range","display":"0–0.107","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.107"},{"value":0.124,"low":null,"high":null,"kind":"point","display":"0.124","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.124"}]},{"analyteId":"boron","name":"Boron","family":"metal","familyLabel":"Metals","casrn":"7440-42-8","whatItIs":"A naturally occurring element from rock and soil.","whyItMatters":"No enforceable federal limit; the EPA has issued a health advisory level.","measured":{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.14"},"federalStandard":{"type":"NL","value":1,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.14"},{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.14"}]},{"analyteId":"calcium","name":"Calcium","family":"metal","familyLabel":"Metals","casrn":"7440-70-2","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":73,"low":null,"high":null,"kind":"point","display":"73","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"73"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":73,"low":null,"high":null,"kind":"point","display":"73","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"73"},{"value":93,"low":42,"high":93,"kind":"range","display":"42–93","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"42 - 93"},{"value":78,"low":58,"high":78,"kind":"range","display":"58–78","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"58 - 78"},{"value":68,"low":null,"high":null,"kind":"point","display":"68","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"68"}]},{"analyteId":"chromium_hex","name":"Chromium, Hexavalent","family":"metal","familyLabel":"Metals","casrn":"18540-29-9","whatItIs":"Hexavalent chromium ('chromium-6') — the more toxic form of chromium.","whyItMatters":"A known carcinogen by inhalation; regulated nationally only within the total-chromium limit, with stricter limits in some states.","measured":{"value":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1.4"},"federalStandard":{"type":"MCL","value":10,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.3,"low":0.29,"high":2.3,"kind":"range","display":"0.29–2.3","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.29 - 2.3"},{"value":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1.4"}]},{"analyteId":"copper","name":"Copper","family":"metal","familyLabel":"Metals","casrn":"7440-50-8","whatItIs":"A metal that enters water from corroding household plumbing.","whyItMatters":"Short-term exposure causes stomach distress; long-term exposure can damage the liver and kidneys.","measured":{"value":0.17,"low":null,"high":null,"kind":"point","display":"0.17","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.17"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.17,"low":null,"high":null,"kind":"point","display":"0.17","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.17"}]},{"analyteId":"lead","name":"Lead","family":"metal","familyLabel":"Metals","casrn":"7439-92-1","whatItIs":"A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.","whyItMatters":"There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"AL","value":15,"units":"ug/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"ND"}]},{"analyteId":"lithium","name":"Lithium","family":"metal","familyLabel":"Metals","casrn":"7439-93-2","whatItIs":"A naturally occurring element found in some groundwater.","whyItMatters":"No enforceable federal limit; on the EPA contaminant candidate list for further study.","measured":{"value":22,"low":null,"high":null,"kind":"point","display":"22","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"22"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":35,"low":0,"high":35,"kind":"range","display":"0–35","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 35"},{"value":22,"low":null,"high":null,"kind":"point","display":"22","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"22"},{"value":4.4,"low":null,"high":null,"kind":"point","display":"4.4","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"4.4"},{"value":36,"low":0,"high":36,"kind":"range","display":"0–36","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 36"}]},{"analyteId":"magnesium","name":"Magnesium","family":"metal","familyLabel":"Metals","casrn":"7439-95-4","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":26,"low":null,"high":null,"kind":"point","display":"26","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"26"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":26,"low":null,"high":null,"kind":"point","display":"26","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"26"},{"value":14,"low":null,"high":null,"kind":"point","display":"14","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"14"},{"value":18,"low":8.4,"high":18,"kind":"range","display":"8.4–18","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"8.4 - 18"},{"value":29,"low":22,"high":29,"kind":"range","display":"22–29","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"22 -29"}]},{"analyteId":"manganese","name":"Manganese","family":"metal","familyLabel":"Metals","casrn":"7439-96-5","whatItIs":"A naturally occurring metal from soil and rock.","whyItMatters":"No enforceable federal limit; high levels stain fixtures and laundry and can affect taste, with a health advisory for infants.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"SMCL","value":50,"units":"ug/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.9,"low":0,"high":0.9,"kind":"range","display":"0–0.9","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.9"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"potassium","name":"Potassium","family":"metal","familyLabel":"Metals","casrn":"7440-09-7","whatItIs":"A naturally occurring mineral from rock and soil.","whyItMatters":"Not federally regulated for health.","measured":{"value":4.9,"low":null,"high":null,"kind":"point","display":"4.9","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"4.9"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4.9,"low":null,"high":null,"kind":"point","display":"4.9","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"4.9"},{"value":2.3,"low":null,"high":null,"kind":"point","display":"2.3","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2.3"},{"value":2.9,"low":1.5,"high":2.9,"kind":"range","display":"1.5–2.9","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"1.5 - 2.9"},{"value":5.4,"low":4.4,"high":5.4,"kind":"range","display":"4.4–5.4","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"4.4 - 5.4"}]},{"analyteId":"selenium","name":"Selenium","family":"metal","familyLabel":"Metals","casrn":"7782-49-2","whatItIs":"A trace element from natural deposits and industrial discharge.","whyItMatters":"Essential in tiny amounts, but long-term exposure above the federal limit can cause hair and fingernail loss and circulatory problems.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":50,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":7.6,"low":0,"high":7.6,"kind":"range","display":"0–7.6","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 7.6"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"sodium","name":"Sodium","family":"metal","familyLabel":"Metals","casrn":"7440-23-5","whatItIs":"A naturally occurring salt component.","whyItMatters":"Not federally regulated for health; relevant for people on sodium-restricted diets.","measured":{"value":103,"low":null,"high":null,"kind":"point","display":"103","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"103"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":52,"low":37.1,"high":52,"kind":"range","display":"37.1–52","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"37.1 - 52"},{"value":103,"low":null,"high":null,"kind":"point","display":"103","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"103"},{"value":43.6,"low":null,"high":null,"kind":"point","display":"43.6","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"43.6"},{"value":116,"low":90,"high":116,"kind":"range","display":"90–116","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"90 - 116"}]},{"analyteId":"pfbs","name":"Perfluorobutanesulfonic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"375-73-5","whatItIs":"Perfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Has no standalone limit but is part of the EPA PFAS Hazard Index that limits PFAS in combination.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"NL","value":500,"units":"ng/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 3"}]},{"analyteId":"pfhxs","name":"Perfluorohexanesulfonic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"355-46-4","whatItIs":"Perfluorohexanesulfonic acid, a PFAS 'forever chemical.'","whyItMatters":"Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.","measured":{"value":2.7,"low":null,"high":null,"kind":"point","display":"2.7","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2.7"},"federalStandard":{"type":"NL","value":3,"units":"ng/L","enforceable":false},"status":{"key":"approaching","label":"Approaching the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":7.3,"low":0,"high":7.3,"kind":"range","display":"0–7.3","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 7.3"},{"value":2.7,"low":null,"high":null,"kind":"point","display":"2.7","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2.7"},{"value":9.5,"low":0,"high":9.5,"kind":"range","display":"0–9.5","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 9.5"}]},{"analyteId":"pfhxa","name":"Perfluorohexanoic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"307-24-4","whatItIs":"Perfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent and widely detected.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":3.5,"low":0,"high":3.5,"kind":"range","display":"0–3.5","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 3.5"},{"value":4.1,"low":0,"high":4.1,"kind":"range","display":"0–4.1","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 4.1"}]},{"analyteId":"pfpea","name":"Perfluoropentanoic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"2706-90-3","whatItIs":"Perfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent in the environment.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":6.3,"low":0,"high":6.3,"kind":"range","display":"0–6.3","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 6.3"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":3.7,"low":0,"high":3.7,"kind":"range","display":"0–3.7","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 3.7"}]},{"analyteId":"pfba","name":"PFBA","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"375-22-4","whatItIs":"Perfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent in the environment and the human body.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 5"}]},{"analyteId":"pfoa","name":"PFOA","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"335-67-1","whatItIs":"Perfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products.","whyItMatters":"Linked to cancer, liver damage, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.","measured":{"value":2.4,"low":null,"high":null,"kind":"point","display":"2.4","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2.4"},"federalStandard":{"type":"NL","value":5.1,"units":"ng/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":7.5,"low":0,"high":7.5,"kind":"range","display":"0–7.5","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 7.5"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":8.7,"low":0,"high":8.7,"kind":"range","display":"0–8.7","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 8.7"},{"value":2.4,"low":null,"high":null,"kind":"point","display":"2.4","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2.4"}]},{"analyteId":"pfos","name":"PFOS","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"1763-23-1","whatItIs":"Perfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings.","whyItMatters":"Linked to cancer, thyroid disease, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.","measured":{"value":3.8,"low":null,"high":null,"kind":"point","display":"3.8","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"3.8"},"federalStandard":{"type":"NL","value":6.5,"units":"ng/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":18,"low":0,"high":18,"kind":"range","display":"0–18","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 18"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":13,"low":0,"high":13,"kind":"range","display":"0–13","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 13"},{"value":3.8,"low":null,"high":null,"kind":"point","display":"3.8","units":"ng/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"3.8"}]},{"analyteId":"alkalinity","name":"Alkalinity","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of the water's capacity to neutralize acids.","whyItMatters":"Not federally regulated for health; relevant to corrosion control and treatment.","measured":{"value":164,"low":null,"high":null,"kind":"point","display":"164","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"164"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":123,"low":105,"high":123,"kind":"range","display":"105–123","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"105 - 123"},{"value":114,"low":null,"high":null,"kind":"point","display":"114","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"114"},{"value":179,"low":146,"high":179,"kind":"range","display":"146–179","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"146 - 179"},{"value":164,"low":null,"high":null,"kind":"point","display":"164","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"164"}]},{"analyteId":"bicarbonate","name":"Bicarbonate","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":"71-52-3","whatItIs":null,"whyItMatters":null,"measured":{"value":202,"low":null,"high":null,"kind":"point","display":"202","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"202"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":219,"low":178,"high":219,"kind":"range","display":"178–219","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"178 - 219"},{"value":202,"low":null,"high":null,"kind":"point","display":"202","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"202"}]},{"analyteId":"color","name":"Color","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of visible tint in the water.","whyItMatters":"Regulated only as a secondary (cosmetic) standard.","measured":{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":{"type":"MCL","value":15,"units":null,"enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":10,"low":0,"high":10,"kind":"range","display":"0–10","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 10"},{"value":2,"low":1,"high":2,"kind":"range","display":"1–2","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1 - 2"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 3"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"hardness","name":"Hardness","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of dissolved calcium and magnesium minerals.","whyItMatters":"Not federally regulated for health; affects scaling, soap use, and taste.","measured":{"value":270,"low":null,"high":null,"kind":"point","display":"270","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"270"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4.3,"low":null,"high":null,"kind":"point","display":"4.3","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"4.3"},{"value":18,"low":14,"high":18,"kind":"range","display":"14–18","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"14 - 18"},{"value":307,"low":136,"high":307,"kind":"range","display":"136–307","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"136 - 307"},{"value":270,"low":null,"high":null,"kind":"point","display":"270","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"270"},{"value":5.5,"low":2.5,"high":5.5,"kind":"range","display":"2.5–5.5","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"2.5 - 5.5"},{"value":242,"low":null,"high":null,"kind":"point","display":"242","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"242"},{"value":16,"low":null,"high":null,"kind":"point","display":"16","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"16"},{"value":305,"low":235,"high":305,"kind":"range","display":"235–305","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"235 - 305"}]},{"analyteId":"odor","name":"Odor","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of detectable smell in the water.","whyItMatters":"Regulated only as a secondary (cosmetic) standard.","measured":{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":{"type":"MCL","value":3,"units":null,"enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1"},{"value":2,"low":1,"high":2,"kind":"range","display":"1–2","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1 - 2"}]},{"analyteId":"ph","name":"pH","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how acidic or basic the water is.","whyItMatters":"Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.","measured":{"value":8.2,"low":null,"high":null,"kind":"point","display":"8.2","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"8.2"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":8,"low":7.8,"high":8,"kind":"range","display":"7.8–8","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"7.8 - 8"},{"value":8.2,"low":null,"high":null,"kind":"point","display":"8.2","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"8.2"},{"value":8,"low":null,"high":null,"kind":"point","display":"8","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"8"},{"value":8.2,"low":null,"high":null,"kind":"point","display":"8.2","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"8.2"}]},{"analyteId":"specific_conductance","name":"Specific Conductance","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how well water conducts electricity, which tracks dissolved mineral content.","whyItMatters":"Not federally regulated for health; used as a proxy for total dissolved solids.","measured":{"value":979,"low":null,"high":null,"kind":"point","display":"979","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"979"},"federalStandard":{"type":"MCL","value":1,"units":null,"enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":789,"low":460,"high":789,"kind":"range","display":"460–789","units":"uS/cm","statisticType":"range","samplingContext":"system","rawVerbatim":"460 - 789"},{"value":629,"low":null,"high":null,"kind":"point","display":"629","units":"uS/cm","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"629"},{"value":1070,"low":888,"high":1070,"kind":"range","display":"888–1070","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"888 - 1,070"},{"value":979,"low":null,"high":null,"kind":"point","display":"979","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"979"}]},{"analyteId":"toc","name":"TOC","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"Total organic carbon — a measure of organic material dissolved in the water.","whyItMatters":"Not harmful itself, but it is the raw material that forms disinfection byproducts; removal is a treatment requirement.","measured":{"value":2.4,"low":null,"high":null,"kind":"point","display":"2.4","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2.4"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.18,"low":null,"high":null,"kind":"point","display":"0.18","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.18"},{"value":0.29,"low":0.08,"high":0.29,"kind":"range","display":"0.08–0.29","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.08 - 0.29"},{"value":2.5,"low":2,"high":2.5,"kind":"range","display":"2–2.5","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"2 - 2.5"},{"value":2.4,"low":null,"high":null,"kind":"point","display":"2.4","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2.4"}]},{"analyteId":"tds","name":"Total Dissolved Solids","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"Total dissolved solids — the combined content of all dissolved minerals and salts.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels affect taste and hardness.","measured":{"value":621,"low":null,"high":null,"kind":"point","display":"621","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"621"},"federalStandard":{"type":"MCL","value":1,"units":"mg/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":395,"low":null,"high":null,"kind":"point","display":"395","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"395"},{"value":621,"low":null,"high":null,"kind":"point","display":"621","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"621"},{"value":686,"low":556,"high":686,"kind":"range","display":"556–686","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"556 - 686"},{"value":488,"low":274,"high":488,"kind":"range","display":"274–488","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"274 - 488"}]},{"analyteId":"turbidity","name":"Turbidity","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of cloudiness from suspended particles in the water.","whyItMatters":"High turbidity can shelter microbes from disinfection; the EPA enforces it through a treatment-technique standard.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":5,"units":"NTU","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.15,"low":0,"high":0.15,"kind":"range","display":"0–0.15","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.15"},{"value":1.1,"low":0,"high":1.1,"kind":"range","display":"0–1.1","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 1.1"},{"value":0.06,"low":null,"high":null,"kind":"point","display":"0.06","units":"NTU","statisticType":"reported_level","samplingContext":"plant:Metropolitan Water District Diemer Filtration Plant","rawVerbatim":"0.06"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"gross_alpha","name":"Gross Alpha","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Gross alpha particle activity — a combined measure of alpha-emitting radioactive substances.","whyItMatters":"Long-term exposure above the federal limit increases cancer risk.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":15,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 5"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"ND"}]},{"analyteId":"gross_beta","name":"Gross Beta Particle Activity","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Gross beta particle activity — a combined measure of beta-emitting radioactive substances.","whyItMatters":"Long-term exposure above the federal screening level increases cancer risk.","measured":{"value":4,"low":null,"high":null,"kind":"point","display":"4","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"4"},"federalStandard":{"type":"MCL","value":50,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 5"},{"value":4,"low":null,"high":null,"kind":"point","display":"4","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"4"}]},{"analyteId":"uranium","name":"Uranium","family":"radionuclide","familyLabel":"Radionuclides","casrn":"7440-61-1","whatItIs":"A naturally occurring radioactive metal from erosion of natural deposits.","whyItMatters":"Long-term exposure above the federal limit can damage the kidneys and increase cancer risk.","measured":{"value":2.6,"low":null,"high":null,"kind":"point","display":"2.6","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2.6"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":4.9,"low":0,"high":4.9,"kind":"range","display":"0–4.9","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 4.9"},{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 3"},{"value":2.6,"low":null,"high":null,"kind":"point","display":"2.6","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2.6"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"pCi/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1"}]}]}}