{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-06-04T01:45:34.073Z"},"system":{"slug":"ca__home-gardens-county-wd__CA3310018","name":"Home Gardens County Wd — Corona, Ca","state":"CA","year":2022,"url":"https://www.thewatermap.com/water/ca/home-gardens-county-wd-corona-ca/2022","apiUrl":"https://www.thewatermap.com/api/water/ca/home-gardens-county-wd-corona-ca/2022","markdownUrl":"https://www.thewatermap.com/water/ca/home-gardens-county-wd-corona-ca/2022/llms.txt","coordinates":{"latitude":33.8752945,"longitude":-117.566444},"contaminantsMeasured":33,"contaminantsWithFederalLimit":16,"contaminantsAtOrAboveLimit":6,"contaminantsApproachingLimit":0,"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":"chloramine","name":"Chloramine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A longer-lasting disinfectant made by combining chlorine with ammonia.","whyItMatters":"Holds disinfection further into the pipe network, but is regulated under the same residual-disinfectant cap as chlorine.","measured":{"value":2.92,"low":1.25,"high":2.92,"kind":"range","display":"1.25–2.92","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","censored":false,"detectionLimit":null,"rawVerbatim":"1.25 - 2.92"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.92,"low":1.25,"high":2.92,"kind":"range","display":"1.25–2.92","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"1.25 - 2.92"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"2.00"}]}]},{"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":20,"low":0,"high":20,"kind":"range","display":"0–20","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 20"},"federalStandard":null,"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":20,"low":0,"high":20,"kind":"range","display":"0–20","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"ND - 20"},{"value":6.7,"low":null,"high":null,"kind":"point","display":"6.7","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"6.7"}]},{"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":28,"low":0,"high":28,"kind":"range","display":"0–28","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-28"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"zone:Distribution System Wide","label":"Distribution System Wide","kind":"zone","units":"ug/L","average":null,"range":null,"ratio":0.18333333333333332},{"context":"zone:Distribution System","label":"Distribution System","kind":"zone","units":"","average":null,"range":null,"ratio":null}],"measurements":[{"value":28,"low":0,"high":28,"kind":"range","display":"0–28","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-28"},{"value":15.8,"low":0,"high":15.8,"kind":"range","display":"0–15.8","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-15.8"},{"value":10.3,"low":null,"high":null,"kind":"point","display":"10.3","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"10.3"},{"value":5.9,"low":null,"high":null,"kind":"point","display":"5.9","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"5.9"},{"value":10.2,"low":null,"high":null,"kind":"point","display":"10.2","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"10.2"},{"value":11,"low":0,"high":11,"kind":"range","display":"0–11","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"ND - 11"}]},{"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":9.4,"low":0,"high":9.4,"kind":"range","display":"0–9.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 9.4"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":3.3,"low":0,"high":3.3,"kind":"range","display":"0–3.3","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 3.3"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":9.4,"low":0,"high":9.4,"kind":"range","display":"0–9.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 9.4"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"}]},{"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":57,"low":0,"high":57,"kind":"range","display":"0–57","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 57"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":48.5,"low":null,"high":null,"kind":"point","display":"48.5","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"48.5"},{"value":57,"low":0,"high":57,"kind":"range","display":"0–57","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"ND - 57"}]}]},{"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":32,"low":0,"high":32,"kind":"range","display":"0–32","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-32"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":15.3,"low":null,"high":null,"kind":"point","display":"15.3","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"15.3"},{"value":32,"low":0,"high":32,"kind":"range","display":"0–32","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-32"}]},{"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":1.7,"low":0.1,"high":1.7,"kind":"range","display":"0.1–1.7","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"0.1 - 1.7"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.425},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"mg/L","average":null,"range":null,"ratio":0.18},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.1}],"measurements":[{"value":0.8,"low":0.6,"high":0.8,"kind":"range","display":"0.6–0.8","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"0.6 - 0.8"},{"value":0.4,"low":0.3,"high":0.4,"kind":"range","display":"0.3–0.4","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"0.3 - 0.4"},{"value":1.7,"low":0.1,"high":1.7,"kind":"range","display":"0.1–1.7","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"0.1 - 1.7"},{"value":0.72,"low":0,"high":0.72,"kind":"range","display":"0–0.72","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 0.72"}]},{"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":20,"low":0,"high":20,"kind":"range","display":"0–20","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 20"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":2},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"mg/L","average":null,"range":null,"ratio":0.62},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":6.2,"low":0,"high":6.2,"kind":"range","display":"0–6.2","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 6.2"},{"value":20,"low":0,"high":20,"kind":"range","display":"0–20","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 20"},{"value":0.8,"low":null,"high":null,"kind":"point","display":"0.8","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"0.8"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"}]}]},{"family":"metal","familyLabel":"Metals","contaminants":[{"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":5.4,"low":0,"high":5.4,"kind":"range","display":"0–5.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 5.4"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.54},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":5.4,"low":0,"high":5.4,"kind":"range","display":"0–5.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 5.4"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","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":0.13,"low":0,"high":0.13,"kind":"range","display":"0–0.13","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 0.13"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"mg/L","average":null,"range":null,"ratio":0.065},{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.06},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.06}],"measurements":[{"value":0.12,"low":0,"high":0.12,"kind":"range","display":"0–0.12","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 0.12"},{"value":0.13,"low":0,"high":0.13,"kind":"range","display":"0–0.13","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 0.13"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0.12,"low":null,"high":null,"kind":"point","display":"0.12","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"0.12"}]},{"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":3.4,"low":0.33,"high":3.4,"kind":"range","display":"0.33–3.4","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"0.33 - 3.4"},"federalStandard":{"type":"NL","value":1,"units":"mg/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":null},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"mg/L","average":null,"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":0.37,"low":0.13,"high":0.37,"kind":"range","display":"0.13–0.37","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"0.13 - 0.37"},{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"0.14"},{"value":3.4,"low":0.33,"high":3.4,"kind":"range","display":"0.33–3.4","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"0.33 - 3.4"},{"value":0.13,"low":null,"high":null,"kind":"point","display":"0.13","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"0.13"}]},{"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":3.1,"low":0,"high":3.1,"kind":"range","display":"0–3.1","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 3.1"},"federalStandard":{"type":"PHG","value":0.02,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":3.1,"low":0,"high":3.1,"kind":"range","display":"0–3.1","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 3.1"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"}]},{"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":0.085,"low":null,"high":null,"kind":"point","display":"0.085","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.085"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.085,"low":null,"high":null,"kind":"point","display":"0.085","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.085"}]},{"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":null,"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":55.1,"low":0,"high":55.1,"kind":"range","display":"0–55.1","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-55.1"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":20,"low":null,"high":null,"kind":"point","display":"20","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"20"},{"value":55.1,"low":0,"high":55.1,"kind":"range","display":"0–55.1","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-55.1"}]},{"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":62,"low":0,"high":62,"kind":"range","display":"0–62","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-62"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":62,"low":0,"high":62,"kind":"range","display":"0–62","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-62"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"2"}]},{"analyteId":"vanadium","name":"Vanadium","family":"metal","familyLabel":"Metals","casrn":"7440-62-2","whatItIs":null,"whyItMatters":null,"measured":{"value":19,"low":0,"high":19,"kind":"range","display":"0–19","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 19"},"federalStandard":{"type":"NL","value":50,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":3.4,"low":0,"high":3.4,"kind":"range","display":"0–3.4","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 3.4"},{"value":19,"low":0,"high":19,"kind":"range","display":"0–19","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 19"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":3.3,"low":null,"high":null,"kind":"point","display":"3.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"3.3"}]}]},{"family":"microbial","familyLabel":"Microbial","contaminants":[{"analyteId":"ecoli","name":"Escherichia coli (E. coli)","family":"microbial","familyLabel":"Microbial","casrn":null,"whatItIs":"Escherichia coli — bacteria found in the gut of humans and animals.","whyItMatters":"Its presence in drinking water indicates fecal contamination and a real risk of waterborne illness.","measured":{"value":2023,"low":null,"high":null,"kind":"point","display":"2023","units":null,"statisticType":"reported_level","samplingContext":"zone:Regulated in Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"Total number of positive samples collected in 2023 = 0"},"federalStandard":{"type":"PHG","value":0,"units":null,"enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2023,"low":null,"high":null,"kind":"point","display":"2023","units":null,"statisticType":"reported_level","samplingContext":"zone:Regulated in Distribution System","rawVerbatim":"Total number of positive samples collected in 2023 = 0"},{"value":2023,"low":null,"high":null,"kind":"point","display":"2023","units":null,"statisticType":"reported_level","samplingContext":"zone:Regulated in Distribution System","rawVerbatim":"Total number of positive samples collected in 2023 = 0"}]}]},{"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":19,"low":null,"high":null,"kind":"point","display":"19","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"19"},"federalStandard":{"type":"NL","value":500,"units":"ng/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":null},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ng/L","average":null,"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":2.2,"low":0,"high":2.2,"kind":"range","display":"0–2.2","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 2.2"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":5.1,"low":2.7,"high":5.1,"kind":"range","display":"2.7–5.1","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"2.7-5.1"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":19,"low":null,"high":null,"kind":"point","display":"19","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"19"}]},{"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":58,"low":0,"high":58,"kind":"range","display":"0–58","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 58"},"federalStandard":{"type":"NL","value":3,"units":"ng/L","enforceable":false},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":5.8},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ng/L","average":null,"range":null,"ratio":0},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0},{"context":"zone:Distribution System","label":"Distribution System","kind":"zone","units":"","average":null,"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0.0033,"low":0,"high":0.0033,"kind":"range","display":"0–0.0033","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-0.0033"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":58,"low":0,"high":58,"kind":"range","display":"0–58","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 58"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":20,"low":null,"high":null,"kind":"point","display":"20","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"20"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"}]},{"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":0.0038,"low":0,"high":0.0038,"kind":"range","display":"0–0.0038","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-0.0038"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.0038,"low":0,"high":0.0038,"kind":"range","display":"0–0.0038","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-0.0038"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND"}]},{"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":0.0061,"low":0,"high":0.0061,"kind":"range","display":"0–0.0061","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-0.0061"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.0061,"low":0,"high":0.0061,"kind":"range","display":"0–0.0061","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-0.0061"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND"}]},{"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":0.0076,"low":0,"high":0.0076,"kind":"range","display":"0–0.0076","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-0.0076"},"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":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND"},{"value":0.0076,"low":0,"high":0.0076,"kind":"range","display":"0–0.0076","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-0.0076"}]},{"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":240,"low":0,"high":240,"kind":"range","display":"0–240","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 240"},"federalStandard":{"type":"NL","value":5.1,"units":"ng/L","enforceable":false},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":60},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ng/L","average":null,"range":null,"ratio":0.825},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":3.3,"low":0,"high":3.3,"kind":"range","display":"0–3.3","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 3.3"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":240,"low":0,"high":240,"kind":"range","display":"0–240","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 240"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":71,"low":null,"high":null,"kind":"point","display":"71","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"71"}]},{"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":240,"low":0,"high":240,"kind":"range","display":"0–240","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 240"},"federalStandard":{"type":"NL","value":6.5,"units":"ng/L","enforceable":false},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":60},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ng/L","average":null,"range":null,"ratio":0.875},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":240,"low":0,"high":240,"kind":"range","display":"0–240","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 240"},{"value":3.5,"low":0,"high":3.5,"kind":"range","display":"0–3.5","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 3.5"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":89,"low":null,"high":null,"kind":"point","display":"89","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"89"}]}]},{"family":"physical_aggregate","familyLabel":"Physical & aggregate","contaminants":[{"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":2600,"low":0,"high":2600,"kind":"range","display":"0–2600","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-2600"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2600,"low":0,"high":2600,"kind":"range","display":"0–2600","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-2600"}]},{"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":0.07,"low":null,"high":null,"kind":"point","display":"0.07","units":"NTU","statisticType":"reported_level","samplingContext":"source","censored":false,"detectionLimit":null,"rawVerbatim":"0.07"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.07,"low":null,"high":null,"kind":"point","display":"0.07","units":"NTU","statisticType":"reported_level","samplingContext":"source","rawVerbatim":"0.07"},{"value":0.05,"low":null,"high":null,"kind":"point","display":"0.05","units":"NTU","statisticType":"reported_level","samplingContext":"source","rawVerbatim":"0.05"},{"value":0.05,"low":null,"high":null,"kind":"point","display":"0.05","units":"NTU","statisticType":"reported_level","samplingContext":"source","rawVerbatim":"0.05"}]}]},{"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":15,"low":0,"high":15,"kind":"range","display":"0–15","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 15"},"federalStandard":{"type":"MCL","value":15,"units":"pCi/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":1},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":0.21333333333333335}],"measurements":[{"value":15,"low":0,"high":15,"kind":"range","display":"0–15","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 15"},{"value":3.2,"low":0,"high":3.2,"kind":"range","display":"0–3.2","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND - 3.2"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"}]},{"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":23,"low":0,"high":23,"kind":"range","display":"0–23","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 23"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":3.1,"low":2.8,"high":3.1,"kind":"range","display":"2.8–3.1","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"2.8 - 3.1"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":23,"low":0,"high":23,"kind":"range","display":"0–23","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 23"}]}]},{"family":"voc_pesticide","familyLabel":"VOCs & pesticides","contaminants":[{"analyteId":"tcp123","name":"1,2,3-TCP","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"96-18-4","whatItIs":null,"whyItMatters":null,"measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":{"value":0,"display":"Not detected"},"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":0.019,"low":0,"high":0.019,"kind":"range","display":"0–0.019","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 0.019"}]},{"analyteId":"dichloromethane","name":"Dichloromethane","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"75-09-2","whatItIs":null,"whyItMatters":null,"measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.22},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":{"value":0,"display":"Not detected"},"range":null,"ratio":0},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":1.1,"low":0,"high":1.1,"kind":"range","display":"0–1.1","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 1.1"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"}]},{"analyteId":"tetrachloroethylene","name":"Tetrachloroethylene","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"127-18-4","whatItIs":"An industrial solvent (PCE) used in dry cleaning and degreasing.","whyItMatters":"A likely human carcinogen; long-term exposure above the federal limit can damage the liver and kidneys.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":5,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.126},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":{"value":0,"display":"Not detected"},"range":null,"ratio":0},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0.63,"low":0,"high":0.63,"kind":"range","display":"0–0.63","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 0.63"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"}]},{"analyteId":"trichloroethylene","name":"Trichloroethylene","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"79-01-6","whatItIs":"An industrial solvent (TCE) used in metal degreasing.","whyItMatters":"A known human carcinogen; long-term exposure above the federal limit can damage the liver.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":5,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.27999999999999997},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":{"value":0,"display":"Not detected"},"range":null,"ratio":0},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":1.4,"low":0,"high":1.4,"kind":"range","display":"0–1.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 1.4"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"}]}]}],"contaminants":[{"analyteId":"chloramine","name":"Chloramine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A longer-lasting disinfectant made by combining chlorine with ammonia.","whyItMatters":"Holds disinfection further into the pipe network, but is regulated under the same residual-disinfectant cap as chlorine.","measured":{"value":2.92,"low":1.25,"high":2.92,"kind":"range","display":"1.25–2.92","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","censored":false,"detectionLimit":null,"rawVerbatim":"1.25 - 2.92"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.92,"low":1.25,"high":2.92,"kind":"range","display":"1.25–2.92","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"1.25 - 2.92"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"2.00"}]},{"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":20,"low":0,"high":20,"kind":"range","display":"0–20","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 20"},"federalStandard":null,"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":20,"low":0,"high":20,"kind":"range","display":"0–20","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"ND - 20"},{"value":6.7,"low":null,"high":null,"kind":"point","display":"6.7","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"6.7"}]},{"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":28,"low":0,"high":28,"kind":"range","display":"0–28","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-28"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"zone:Distribution System Wide","label":"Distribution System Wide","kind":"zone","units":"ug/L","average":null,"range":null,"ratio":0.18333333333333332},{"context":"zone:Distribution System","label":"Distribution System","kind":"zone","units":"","average":null,"range":null,"ratio":null}],"measurements":[{"value":28,"low":0,"high":28,"kind":"range","display":"0–28","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-28"},{"value":15.8,"low":0,"high":15.8,"kind":"range","display":"0–15.8","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-15.8"},{"value":10.3,"low":null,"high":null,"kind":"point","display":"10.3","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"10.3"},{"value":5.9,"low":null,"high":null,"kind":"point","display":"5.9","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"5.9"},{"value":10.2,"low":null,"high":null,"kind":"point","display":"10.2","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"10.2"},{"value":11,"low":0,"high":11,"kind":"range","display":"0–11","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"ND - 11"}]},{"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":9.4,"low":0,"high":9.4,"kind":"range","display":"0–9.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 9.4"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":3.3,"low":0,"high":3.3,"kind":"range","display":"0–3.3","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 3.3"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":9.4,"low":0,"high":9.4,"kind":"range","display":"0–9.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 9.4"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"}]},{"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":57,"low":0,"high":57,"kind":"range","display":"0–57","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 57"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":48.5,"low":null,"high":null,"kind":"point","display":"48.5","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"48.5"},{"value":57,"low":0,"high":57,"kind":"range","display":"0–57","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Distribution System Wide","rawVerbatim":"ND - 57"}]},{"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":32,"low":0,"high":32,"kind":"range","display":"0–32","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-32"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":15.3,"low":null,"high":null,"kind":"point","display":"15.3","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"15.3"},{"value":32,"low":0,"high":32,"kind":"range","display":"0–32","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-32"}]},{"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":1.7,"low":0.1,"high":1.7,"kind":"range","display":"0.1–1.7","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"0.1 - 1.7"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.425},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"mg/L","average":null,"range":null,"ratio":0.18},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.1}],"measurements":[{"value":0.8,"low":0.6,"high":0.8,"kind":"range","display":"0.6–0.8","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"0.6 - 0.8"},{"value":0.4,"low":0.3,"high":0.4,"kind":"range","display":"0.3–0.4","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"0.3 - 0.4"},{"value":1.7,"low":0.1,"high":1.7,"kind":"range","display":"0.1–1.7","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"0.1 - 1.7"},{"value":0.72,"low":0,"high":0.72,"kind":"range","display":"0–0.72","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 0.72"}]},{"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":20,"low":0,"high":20,"kind":"range","display":"0–20","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 20"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":2},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"mg/L","average":null,"range":null,"ratio":0.62},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":6.2,"low":0,"high":6.2,"kind":"range","display":"0–6.2","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 6.2"},{"value":20,"low":0,"high":20,"kind":"range","display":"0–20","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 20"},{"value":0.8,"low":null,"high":null,"kind":"point","display":"0.8","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"0.8"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"}]},{"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":5.4,"low":0,"high":5.4,"kind":"range","display":"0–5.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 5.4"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.54},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":5.4,"low":0,"high":5.4,"kind":"range","display":"0–5.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 5.4"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","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":0.13,"low":0,"high":0.13,"kind":"range","display":"0–0.13","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 0.13"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"mg/L","average":null,"range":null,"ratio":0.065},{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.06},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.06}],"measurements":[{"value":0.12,"low":0,"high":0.12,"kind":"range","display":"0–0.12","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 0.12"},{"value":0.13,"low":0,"high":0.13,"kind":"range","display":"0–0.13","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 0.13"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0.12,"low":null,"high":null,"kind":"point","display":"0.12","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"0.12"}]},{"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":3.4,"low":0.33,"high":3.4,"kind":"range","display":"0.33–3.4","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"0.33 - 3.4"},"federalStandard":{"type":"NL","value":1,"units":"mg/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":null},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"mg/L","average":null,"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":0.37,"low":0.13,"high":0.37,"kind":"range","display":"0.13–0.37","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"0.13 - 0.37"},{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"0.14"},{"value":3.4,"low":0.33,"high":3.4,"kind":"range","display":"0.33–3.4","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"0.33 - 3.4"},{"value":0.13,"low":null,"high":null,"kind":"point","display":"0.13","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"0.13"}]},{"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":3.1,"low":0,"high":3.1,"kind":"range","display":"0–3.1","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 3.1"},"federalStandard":{"type":"PHG","value":0.02,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":3.1,"low":0,"high":3.1,"kind":"range","display":"0–3.1","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 3.1"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"}]},{"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":0.085,"low":null,"high":null,"kind":"point","display":"0.085","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.085"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.085,"low":null,"high":null,"kind":"point","display":"0.085","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.085"}]},{"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":null,"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":55.1,"low":0,"high":55.1,"kind":"range","display":"0–55.1","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-55.1"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":20,"low":null,"high":null,"kind":"point","display":"20","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"20"},{"value":55.1,"low":0,"high":55.1,"kind":"range","display":"0–55.1","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-55.1"}]},{"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":62,"low":0,"high":62,"kind":"range","display":"0–62","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-62"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":62,"low":0,"high":62,"kind":"range","display":"0–62","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-62"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"2"}]},{"analyteId":"vanadium","name":"Vanadium","family":"metal","familyLabel":"Metals","casrn":"7440-62-2","whatItIs":null,"whyItMatters":null,"measured":{"value":19,"low":0,"high":19,"kind":"range","display":"0–19","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 19"},"federalStandard":{"type":"NL","value":50,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":3.4,"low":0,"high":3.4,"kind":"range","display":"0–3.4","units":"ug/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 3.4"},{"value":19,"low":0,"high":19,"kind":"range","display":"0–19","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 19"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":3.3,"low":null,"high":null,"kind":"point","display":"3.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"3.3"}]},{"analyteId":"ecoli","name":"Escherichia coli (E. coli)","family":"microbial","familyLabel":"Microbial","casrn":null,"whatItIs":"Escherichia coli — bacteria found in the gut of humans and animals.","whyItMatters":"Its presence in drinking water indicates fecal contamination and a real risk of waterborne illness.","measured":{"value":2023,"low":null,"high":null,"kind":"point","display":"2023","units":null,"statisticType":"reported_level","samplingContext":"zone:Regulated in Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"Total number of positive samples collected in 2023 = 0"},"federalStandard":{"type":"PHG","value":0,"units":null,"enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2023,"low":null,"high":null,"kind":"point","display":"2023","units":null,"statisticType":"reported_level","samplingContext":"zone:Regulated in Distribution System","rawVerbatim":"Total number of positive samples collected in 2023 = 0"},{"value":2023,"low":null,"high":null,"kind":"point","display":"2023","units":null,"statisticType":"reported_level","samplingContext":"zone:Regulated in Distribution System","rawVerbatim":"Total number of positive samples collected in 2023 = 0"}]},{"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":19,"low":null,"high":null,"kind":"point","display":"19","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"19"},"federalStandard":{"type":"NL","value":500,"units":"ng/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":null},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ng/L","average":null,"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":2.2,"low":0,"high":2.2,"kind":"range","display":"0–2.2","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 2.2"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":5.1,"low":2.7,"high":5.1,"kind":"range","display":"2.7–5.1","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"2.7-5.1"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":19,"low":null,"high":null,"kind":"point","display":"19","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"19"}]},{"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":58,"low":0,"high":58,"kind":"range","display":"0–58","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 58"},"federalStandard":{"type":"NL","value":3,"units":"ng/L","enforceable":false},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":5.8},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ng/L","average":null,"range":null,"ratio":0},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0},{"context":"zone:Distribution System","label":"Distribution System","kind":"zone","units":"","average":null,"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0.0033,"low":0,"high":0.0033,"kind":"range","display":"0–0.0033","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-0.0033"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":58,"low":0,"high":58,"kind":"range","display":"0–58","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 58"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":20,"low":null,"high":null,"kind":"point","display":"20","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"20"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"}]},{"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":0.0038,"low":0,"high":0.0038,"kind":"range","display":"0–0.0038","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-0.0038"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.0038,"low":0,"high":0.0038,"kind":"range","display":"0–0.0038","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-0.0038"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND"}]},{"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":0.0061,"low":0,"high":0.0061,"kind":"range","display":"0–0.0061","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-0.0061"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.0061,"low":0,"high":0.0061,"kind":"range","display":"0–0.0061","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-0.0061"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND"}]},{"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":0.0076,"low":0,"high":0.0076,"kind":"range","display":"0–0.0076","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-0.0076"},"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":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND"},{"value":0.0076,"low":0,"high":0.0076,"kind":"range","display":"0–0.0076","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-0.0076"}]},{"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":240,"low":0,"high":240,"kind":"range","display":"0–240","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 240"},"federalStandard":{"type":"NL","value":5.1,"units":"ng/L","enforceable":false},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":60},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ng/L","average":null,"range":null,"ratio":0.825},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":3.3,"low":0,"high":3.3,"kind":"range","display":"0–3.3","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 3.3"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":240,"low":0,"high":240,"kind":"range","display":"0–240","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 240"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":71,"low":null,"high":null,"kind":"point","display":"71","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"71"}]},{"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":240,"low":0,"high":240,"kind":"range","display":"0–240","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 240"},"federalStandard":{"type":"NL","value":6.5,"units":"ng/L","enforceable":false},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":60},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ng/L","average":null,"range":null,"ratio":0.875},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":240,"low":0,"high":240,"kind":"range","display":"0–240","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 240"},{"value":3.5,"low":0,"high":3.5,"kind":"range","display":"0–3.5","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND - 3.5"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":89,"low":null,"high":null,"kind":"point","display":"89","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"89"}]},{"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":2600,"low":0,"high":2600,"kind":"range","display":"0–2600","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"ND-2600"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2600,"low":0,"high":2600,"kind":"range","display":"0–2600","units":null,"statisticType":"reported_level","samplingContext":"zone:Distribution System","rawVerbatim":"ND-2600"}]},{"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":0.07,"low":null,"high":null,"kind":"point","display":"0.07","units":"NTU","statisticType":"reported_level","samplingContext":"source","censored":false,"detectionLimit":null,"rawVerbatim":"0.07"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.07,"low":null,"high":null,"kind":"point","display":"0.07","units":"NTU","statisticType":"reported_level","samplingContext":"source","rawVerbatim":"0.07"},{"value":0.05,"low":null,"high":null,"kind":"point","display":"0.05","units":"NTU","statisticType":"reported_level","samplingContext":"source","rawVerbatim":"0.05"},{"value":0.05,"low":null,"high":null,"kind":"point","display":"0.05","units":"NTU","statisticType":"reported_level","samplingContext":"source","rawVerbatim":"0.05"}]},{"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":15,"low":0,"high":15,"kind":"range","display":"0–15","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 15"},"federalStandard":{"type":"MCL","value":15,"units":"pCi/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":1},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":0.21333333333333335}],"measurements":[{"value":15,"low":0,"high":15,"kind":"range","display":"0–15","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 15"},{"value":3.2,"low":0,"high":3.2,"kind":"range","display":"0–3.2","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND - 3.2"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"}]},{"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":23,"low":0,"high":23,"kind":"range","display":"0–23","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","censored":false,"detectionLimit":null,"rawVerbatim":"ND - 23"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":3.1,"low":2.8,"high":3.1,"kind":"range","display":"2.8–3.1","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"2.8 - 3.1"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":23,"low":0,"high":23,"kind":"range","display":"0–23","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 23"}]},{"analyteId":"tcp123","name":"1,2,3-TCP","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"96-18-4","whatItIs":null,"whyItMatters":null,"measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":{"value":0,"display":"Not detected"},"range":null,"ratio":null},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":0.019,"low":0,"high":0.019,"kind":"range","display":"0–0.019","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 0.019"}]},{"analyteId":"dichloromethane","name":"Dichloromethane","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"75-09-2","whatItIs":null,"whyItMatters":null,"measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.22},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":{"value":0,"display":"Not detected"},"range":null,"ratio":0},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":1.1,"low":0,"high":1.1,"kind":"range","display":"0–1.1","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 1.1"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"}]},{"analyteId":"tetrachloroethylene","name":"Tetrachloroethylene","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"127-18-4","whatItIs":"An industrial solvent (PCE) used in dry cleaning and degreasing.","whyItMatters":"A likely human carcinogen; long-term exposure above the federal limit can damage the liver and kidneys.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":5,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.126},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":{"value":0,"display":"Not detected"},"range":null,"ratio":0},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"},{"value":0.63,"low":0,"high":0.63,"kind":"range","display":"0–0.63","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 0.63"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"}]},{"analyteId":"trichloroethylene","name":"Trichloroethylene","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"79-01-6","whatItIs":"An industrial solvent (TCE) used in metal degreasing.","whyItMatters":"A known human carcinogen; long-term exposure above the federal limit can damage the liver.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":5,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Ground Water","label":"Ground Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.27999999999999997},{"context":"zone:Treated Average System Water","label":"Treated Average System Water","kind":"zone","units":"ug/L","average":{"value":0,"display":"Not detected"},"range":null,"ratio":0},{"context":"plant:Colorado River Water","label":"Colorado River Water","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"zone:Treated Average System Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Colorado River Water","rawVerbatim":"ND"},{"value":1.4,"low":0,"high":1.4,"kind":"range","display":"0–1.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Ground Water","rawVerbatim":"ND - 1.4"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:State Project Water","rawVerbatim":"ND"}]}]}}