{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-06-04T01:46:04.811Z"},"system":{"slug":"ca__city-of-fountain-valley__CA3010069__2021","name":"City of Fountain Valley — Fountain Valley, Ca","state":"CA","year":2021,"url":"https://www.thewatermap.com/water/ca/fountain-valley-fountain-valley-ca/2021","apiUrl":"https://www.thewatermap.com/api/water/ca/fountain-valley-fountain-valley-ca/2021","markdownUrl":"https://www.thewatermap.com/water/ca/fountain-valley-fountain-valley-ca/2021/llms.txt","coordinates":{"latitude":33.7038145,"longitude":-117.9627349},"contaminantsMeasured":30,"contaminantsWithFederalLimit":9,"contaminantsAtOrAboveLimit":0,"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":"disinfection_byproduct","familyLabel":"Disinfection byproducts","contaminants":[{"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":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5.2,"low":0,"high":5.2,"kind":"range","display":"0–5.2","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 5.2"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2"}]},{"analyteId":"tthm","name":"TTHM","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.","whyItMatters":"Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.","measured":{"value":9,"low":null,"high":null,"kind":"point","display":"9","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"9"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":16,"low":0,"high":16,"kind":"range","display":"0–16","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 16"},{"value":9,"low":null,"high":null,"kind":"point","display":"9","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"9"}]}]},{"family":"inorganic","familyLabel":"Inorganic chemicals","contaminants":[{"analyteId":"bromide","name":"Bromide","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"24959-67-9","whatItIs":"A naturally occurring salt found in source water.","whyItMatters":"Not directly regulated, but a precursor that increases formation of brominated disinfection byproducts.","measured":{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.14"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.24,"low":0.081,"high":0.24,"kind":"range","display":"0.081–0.24","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.081 – 0.24"},{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater Amount","rawVerbatim":"0.14"}]},{"analyteId":"chloride","name":"Chloride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16887-00-6","whatItIs":"A naturally occurring salt compound.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels cause a salty taste and can corrode pipes.","measured":{"value":32,"low":null,"high":null,"kind":"point","display":"32","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"32"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":34,"low":29,"high":34,"kind":"range","display":"29–34","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"29 – 34"},{"value":32,"low":null,"high":null,"kind":"point","display":"32","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"32"}]},{"analyteId":"chlorodibromoacetic_acid","name":"Chlorodibromoacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"5278-95-5","whatItIs":"A brominated haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored but without its own enforceable federal limit.","measured":{"value":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.04"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.4,"low":0,"high":0.4,"kind":"range","display":"0–0.4","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 0.4"},{"value":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.04"}]},{"analyteId":"dibromoacetic_acid","name":"Dibromoacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"631-64-1","whatItIs":"A brominated haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored without its own enforceable limit.","measured":{"value":0.37,"low":null,"high":null,"kind":"point","display":"0.37","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.37"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.1,"low":0,"high":1.1,"kind":"range","display":"0–1.1","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 1.1"},{"value":0.37,"low":null,"high":null,"kind":"point","display":"0.37","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.37"}]},{"analyteId":"dichloroacetic_acid","name":"Dichloroacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"79-43-6","whatItIs":"A haloacetic acid disinfection byproduct.","whyItMatters":"One of the five haloacetic acids regulated together as HAA5 for cancer risk.","measured":{"value":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.01"},"federalStandard":{"type":"MCLG","value":0,"units":"ug/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.4,"low":0,"high":0.4,"kind":"range","display":"0–0.4","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 0.4"},{"value":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.01"}]},{"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,"low":null,"high":null,"kind":"point","display":"1","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.36,"low":null,"high":null,"kind":"point","display":"0.36","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"0.36"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"1"},{"value":0.41,"low":0.31,"high":0.41,"kind":"range","display":"0.31–0.41","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"0.31 – 0.41"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"1"}]},{"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":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1.1"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"1.1"},{"value":1.5,"low":0.71,"high":1.5,"kind":"range","display":"0.71–1.5","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"0.71 – 1.5"}]},{"analyteId":"sulfate","name":"Sulfate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14808-79-8","whatItIs":"A naturally occurring mineral from rock and soil.","whyItMatters":"No health-based federal limit; high levels can have a laxative effect and a bitter taste.","measured":{"value":67,"low":null,"high":null,"kind":"point","display":"67","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"67"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":67,"low":null,"high":null,"kind":"point","display":"67","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"67"},{"value":80,"low":61,"high":80,"kind":"range","display":"61–80","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"61 – 80"}]}]},{"family":"metal","familyLabel":"Metals","contaminants":[{"analyteId":"calcium","name":"Calcium","family":"metal","familyLabel":"Metals","casrn":"7440-70-2","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":61,"low":null,"high":null,"kind":"point","display":"61","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"61"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":61,"low":null,"high":null,"kind":"point","display":"61","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"61"},{"value":70,"low":52,"high":70,"kind":"range","display":"52–70","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"52 – 70"}]},{"analyteId":"chromium_hex","name":"Chromium, Hexavalent","family":"metal","familyLabel":"Metals","casrn":"18540-29-9","whatItIs":"Hexavalent chromium ('chromium-6') — the more toxic form of chromium.","whyItMatters":"A known carcinogen by inhalation; regulated nationally only within the total-chromium limit, with stricter limits in some states.","measured":{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"ug/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1.3"},"federalStandard":{"type":"PHG","value":0.02,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.4,"low":0.54,"high":2.4,"kind":"range","display":"0.54–2.4","units":"ug/L","statisticType":"range","samplingContext":"source","rawVerbatim":"0.54 – 2.4"},{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"ug/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"1.3"}]},{"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":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.15"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.15"}]},{"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":"magnesium","name":"Magnesium","family":"metal","familyLabel":"Metals","casrn":"7439-95-4","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":11,"low":null,"high":null,"kind":"point","display":"11","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"11"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":11,"low":null,"high":null,"kind":"point","display":"11","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"11"},{"value":13,"low":8.3,"high":13,"kind":"range","display":"8.3–13","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"8.3 – 13"}]},{"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":1.9,"low":null,"high":null,"kind":"point","display":"1.9","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1.9"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.9,"low":null,"high":null,"kind":"point","display":"1.9","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater Amount","rawVerbatim":"1.9"},{"value":12.1,"low":0,"high":12.1,"kind":"range","display":"0–12.1","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 12.1"}]},{"analyteId":"potassium","name":"Potassium","family":"metal","familyLabel":"Metals","casrn":"7440-09-7","whatItIs":"A naturally occurring mineral from rock and soil.","whyItMatters":"Not federally regulated for health.","measured":{"value":2.2,"low":null,"high":null,"kind":"point","display":"2.2","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"2.2"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.2,"low":null,"high":null,"kind":"point","display":"2.2","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"2.2"},{"value":2.9,"low":1.8,"high":2.9,"kind":"range","display":"1.8–2.9","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"1.8 – 2.9"}]},{"analyteId":"sodium","name":"Sodium","family":"metal","familyLabel":"Metals","casrn":"7440-23-5","whatItIs":"A naturally occurring salt component.","whyItMatters":"Not federally regulated for health; relevant for people on sodium-restricted diets.","measured":{"value":41,"low":null,"high":null,"kind":"point","display":"41","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"41"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":41,"low":null,"high":null,"kind":"point","display":"41","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"41"},{"value":46,"low":36,"high":46,"kind":"range","display":"36–46","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"36 – 46"}]}]},{"family":"other","familyLabel":"Other","contaminants":[{"analyteId":"chlorine_total","name":"Chlorine Total","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":0.42,"low":null,"high":null,"kind":"point","display":"0.42","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.42"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.85,"low":0.2,"high":0.85,"kind":"range","display":"0.2–0.85","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.2 – 0.85"},{"value":0.42,"low":null,"high":null,"kind":"point","display":"0.42","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.42"}]},{"analyteId":"nitrate_nitrite","name":"Nitrate Nitrite","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1.1"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"1.1"},{"value":1.5,"low":0.71,"high":1.5,"kind":"range","display":"0.71–1.5","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"0.71 – 1.5"}]}]},{"family":"physical_aggregate","familyLabel":"Physical & aggregate","contaminants":[{"analyteId":"alkalinity","name":"Alkalinity","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of the water's capacity to neutralize acids.","whyItMatters":"Not federally regulated for health; relevant to corrosion control and treatment.","measured":{"value":169,"low":null,"high":null,"kind":"point","display":"169","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"169"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":181,"low":153,"high":181,"kind":"range","display":"153–181","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"153 – 181"},{"value":169,"low":null,"high":null,"kind":"point","display":"169","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"169"}]},{"analyteId":"color","name":"Color","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of visible tint in the water.","whyItMatters":"Regulated only as a secondary (cosmetic) standard.","measured":{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1"},{"value":5,"low":1,"high":5,"kind":"range","display":"1–5","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1 – 5"}]},{"analyteId":"hardness","name":"Hardness","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of dissolved calcium and magnesium minerals.","whyItMatters":"Not federally regulated for health; affects scaling, soap use, and taste.","measured":{"value":195,"low":null,"high":null,"kind":"point","display":"195","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"195"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":13,"low":9.6,"high":13,"kind":"range","display":"9.6–13","units":null,"statisticType":"range","samplingContext":"source","rawVerbatim":"9.6 – 13"},{"value":195,"low":null,"high":null,"kind":"point","display":"195","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"195"},{"value":227,"low":164,"high":227,"kind":"range","display":"164–227","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"164 – 227"},{"value":11,"low":null,"high":null,"kind":"point","display":"11","units":null,"statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"11"}]},{"analyteId":"odor","name":"Odor","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of detectable smell in the water.","whyItMatters":"Regulated only as a secondary (cosmetic) standard.","measured":{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1"}]},{"analyteId":"ph","name":"pH","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how acidic or basic the water is.","whyItMatters":"Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.","measured":{"value":8,"low":null,"high":null,"kind":"point","display":"8","units":null,"statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"8"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":8,"low":7.9,"high":8,"kind":"range","display":"7.9–8","units":null,"statisticType":"range","samplingContext":"source","rawVerbatim":"7.9 – 8"},{"value":8,"low":null,"high":null,"kind":"point","display":"8","units":null,"statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"8"}]},{"analyteId":"specific_conductance","name":"Specific Conductance","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how well water conducts electricity, which tracks dissolved mineral content.","whyItMatters":"Not federally regulated for health; used as a proxy for total dissolved solids.","measured":{"value":542,"low":null,"high":null,"kind":"point","display":"542","units":null,"statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"542"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":597,"low":474,"high":597,"kind":"range","display":"474–597","units":null,"statisticType":"range","samplingContext":"source","rawVerbatim":"474 – 597"},{"value":542,"low":null,"high":null,"kind":"point","display":"542","units":null,"statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"542"}]},{"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":0.17,"low":null,"high":null,"kind":"point","display":"0.17","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.17"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.38,"low":0.08,"high":0.38,"kind":"range","display":"0.08–0.38","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.08 – 0.38"},{"value":0.17,"low":null,"high":null,"kind":"point","display":"0.17","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater Amount","rawVerbatim":"0.17"}]},{"analyteId":"tds","name":"Total Dissolved Solids","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"Total dissolved solids — the combined content of all dissolved minerals and salts.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels affect taste and hardness.","measured":{"value":324,"low":null,"high":null,"kind":"point","display":"324","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"324"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":324,"low":null,"high":null,"kind":"point","display":"324","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"324"},{"value":366,"low":238,"high":366,"kind":"range","display":"238–366","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"238 – 366"}]},{"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":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"NTU","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.15"},"federalStandard":{"type":"MCL","value":1,"units":"NTU","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"NTU","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.14"},{"value":0.4,"low":0,"high":0.4,"kind":"range","display":"0–0.4","units":"NTU","statisticType":"range","samplingContext":"source","rawVerbatim":"ND – 0.4"},{"value":0.82,"low":0,"high":0.82,"kind":"range","display":"0–0.82","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 0.82"},{"value":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"NTU","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"0.15"}]}]},{"family":"radionuclide","familyLabel":"Radionuclides","contaminants":[{"analyteId":"uranium","name":"Uranium","family":"radionuclide","familyLabel":"Radionuclides","casrn":"7440-61-1","whatItIs":"A naturally occurring radioactive metal from erosion of natural deposits.","whyItMatters":"Long-term exposure above the federal limit can damage the kidneys and increase cancer risk.","measured":{"value":2.7,"low":null,"high":null,"kind":"point","display":"2.7","units":"pCi/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"2.7"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.7,"low":null,"high":null,"kind":"point","display":"2.7","units":"pCi/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"2.7"},{"value":4,"low":1.6,"high":4,"kind":"range","display":"1.6–4","units":"pCi/L","statisticType":"range","samplingContext":"source","rawVerbatim":"1.6 – 4"}]}]}],"contaminants":[{"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":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5.2,"low":0,"high":5.2,"kind":"range","display":"0–5.2","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 5.2"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"2"}]},{"analyteId":"tthm","name":"TTHM","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.","whyItMatters":"Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.","measured":{"value":9,"low":null,"high":null,"kind":"point","display":"9","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"9"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":16,"low":0,"high":16,"kind":"range","display":"0–16","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 16"},{"value":9,"low":null,"high":null,"kind":"point","display":"9","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"9"}]},{"analyteId":"bromide","name":"Bromide","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"24959-67-9","whatItIs":"A naturally occurring salt found in source water.","whyItMatters":"Not directly regulated, but a precursor that increases formation of brominated disinfection byproducts.","measured":{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.14"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.24,"low":0.081,"high":0.24,"kind":"range","display":"0.081–0.24","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.081 – 0.24"},{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater Amount","rawVerbatim":"0.14"}]},{"analyteId":"chloride","name":"Chloride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16887-00-6","whatItIs":"A naturally occurring salt compound.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels cause a salty taste and can corrode pipes.","measured":{"value":32,"low":null,"high":null,"kind":"point","display":"32","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"32"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":34,"low":29,"high":34,"kind":"range","display":"29–34","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"29 – 34"},{"value":32,"low":null,"high":null,"kind":"point","display":"32","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"32"}]},{"analyteId":"chlorodibromoacetic_acid","name":"Chlorodibromoacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"5278-95-5","whatItIs":"A brominated haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored but without its own enforceable federal limit.","measured":{"value":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.04"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.4,"low":0,"high":0.4,"kind":"range","display":"0–0.4","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 0.4"},{"value":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.04"}]},{"analyteId":"dibromoacetic_acid","name":"Dibromoacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"631-64-1","whatItIs":"A brominated haloacetic acid disinfection byproduct.","whyItMatters":"Part of the broader HAA9 group; monitored without its own enforceable limit.","measured":{"value":0.37,"low":null,"high":null,"kind":"point","display":"0.37","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.37"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.1,"low":0,"high":1.1,"kind":"range","display":"0–1.1","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 1.1"},{"value":0.37,"low":null,"high":null,"kind":"point","display":"0.37","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.37"}]},{"analyteId":"dichloroacetic_acid","name":"Dichloroacetic acid","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"79-43-6","whatItIs":"A haloacetic acid disinfection byproduct.","whyItMatters":"One of the five haloacetic acids regulated together as HAA5 for cancer risk.","measured":{"value":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.01"},"federalStandard":{"type":"MCLG","value":0,"units":"ug/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.4,"low":0,"high":0.4,"kind":"range","display":"0–0.4","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 0.4"},{"value":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"ug/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.01"}]},{"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,"low":null,"high":null,"kind":"point","display":"1","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.36,"low":null,"high":null,"kind":"point","display":"0.36","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"0.36"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"1"},{"value":0.41,"low":0.31,"high":0.41,"kind":"range","display":"0.31–0.41","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"0.31 – 0.41"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"1"}]},{"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":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1.1"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"1.1"},{"value":1.5,"low":0.71,"high":1.5,"kind":"range","display":"0.71–1.5","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"0.71 – 1.5"}]},{"analyteId":"sulfate","name":"Sulfate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14808-79-8","whatItIs":"A naturally occurring mineral from rock and soil.","whyItMatters":"No health-based federal limit; high levels can have a laxative effect and a bitter taste.","measured":{"value":67,"low":null,"high":null,"kind":"point","display":"67","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"67"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":67,"low":null,"high":null,"kind":"point","display":"67","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"67"},{"value":80,"low":61,"high":80,"kind":"range","display":"61–80","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"61 – 80"}]},{"analyteId":"calcium","name":"Calcium","family":"metal","familyLabel":"Metals","casrn":"7440-70-2","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":61,"low":null,"high":null,"kind":"point","display":"61","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"61"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":61,"low":null,"high":null,"kind":"point","display":"61","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"61"},{"value":70,"low":52,"high":70,"kind":"range","display":"52–70","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"52 – 70"}]},{"analyteId":"chromium_hex","name":"Chromium, Hexavalent","family":"metal","familyLabel":"Metals","casrn":"18540-29-9","whatItIs":"Hexavalent chromium ('chromium-6') — the more toxic form of chromium.","whyItMatters":"A known carcinogen by inhalation; regulated nationally only within the total-chromium limit, with stricter limits in some states.","measured":{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"ug/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1.3"},"federalStandard":{"type":"PHG","value":0.02,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.4,"low":0.54,"high":2.4,"kind":"range","display":"0.54–2.4","units":"ug/L","statisticType":"range","samplingContext":"source","rawVerbatim":"0.54 – 2.4"},{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"ug/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"1.3"}]},{"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":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.15"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.15"}]},{"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":"magnesium","name":"Magnesium","family":"metal","familyLabel":"Metals","casrn":"7439-95-4","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":11,"low":null,"high":null,"kind":"point","display":"11","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"11"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":11,"low":null,"high":null,"kind":"point","display":"11","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"11"},{"value":13,"low":8.3,"high":13,"kind":"range","display":"8.3–13","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"8.3 – 13"}]},{"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":1.9,"low":null,"high":null,"kind":"point","display":"1.9","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1.9"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.9,"low":null,"high":null,"kind":"point","display":"1.9","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater Amount","rawVerbatim":"1.9"},{"value":12.1,"low":0,"high":12.1,"kind":"range","display":"0–12.1","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 12.1"}]},{"analyteId":"potassium","name":"Potassium","family":"metal","familyLabel":"Metals","casrn":"7440-09-7","whatItIs":"A naturally occurring mineral from rock and soil.","whyItMatters":"Not federally regulated for health.","measured":{"value":2.2,"low":null,"high":null,"kind":"point","display":"2.2","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"2.2"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.2,"low":null,"high":null,"kind":"point","display":"2.2","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"2.2"},{"value":2.9,"low":1.8,"high":2.9,"kind":"range","display":"1.8–2.9","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"1.8 – 2.9"}]},{"analyteId":"sodium","name":"Sodium","family":"metal","familyLabel":"Metals","casrn":"7440-23-5","whatItIs":"A naturally occurring salt component.","whyItMatters":"Not federally regulated for health; relevant for people on sodium-restricted diets.","measured":{"value":41,"low":null,"high":null,"kind":"point","display":"41","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"41"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":41,"low":null,"high":null,"kind":"point","display":"41","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"41"},{"value":46,"low":36,"high":46,"kind":"range","display":"36–46","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"36 – 46"}]},{"analyteId":"chlorine_total","name":"Chlorine Total","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":0.42,"low":null,"high":null,"kind":"point","display":"0.42","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.42"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.85,"low":0.2,"high":0.85,"kind":"range","display":"0.2–0.85","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.2 – 0.85"},{"value":0.42,"low":null,"high":null,"kind":"point","display":"0.42","units":"mg/L","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.42"}]},{"analyteId":"nitrate_nitrite","name":"Nitrate Nitrite","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1.1"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"1.1"},{"value":1.5,"low":0.71,"high":1.5,"kind":"range","display":"0.71–1.5","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"0.71 – 1.5"}]},{"analyteId":"alkalinity","name":"Alkalinity","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of the water's capacity to neutralize acids.","whyItMatters":"Not federally regulated for health; relevant to corrosion control and treatment.","measured":{"value":169,"low":null,"high":null,"kind":"point","display":"169","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"169"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":181,"low":153,"high":181,"kind":"range","display":"153–181","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"153 – 181"},{"value":169,"low":null,"high":null,"kind":"point","display":"169","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"169"}]},{"analyteId":"color","name":"Color","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of visible tint in the water.","whyItMatters":"Regulated only as a secondary (cosmetic) standard.","measured":{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1"},{"value":5,"low":1,"high":5,"kind":"range","display":"1–5","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1 – 5"}]},{"analyteId":"hardness","name":"Hardness","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of dissolved calcium and magnesium minerals.","whyItMatters":"Not federally regulated for health; affects scaling, soap use, and taste.","measured":{"value":195,"low":null,"high":null,"kind":"point","display":"195","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"195"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":13,"low":9.6,"high":13,"kind":"range","display":"9.6–13","units":null,"statisticType":"range","samplingContext":"source","rawVerbatim":"9.6 – 13"},{"value":195,"low":null,"high":null,"kind":"point","display":"195","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"195"},{"value":227,"low":164,"high":227,"kind":"range","display":"164–227","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"164 – 227"},{"value":11,"low":null,"high":null,"kind":"point","display":"11","units":null,"statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"11"}]},{"analyteId":"odor","name":"Odor","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of detectable smell in the water.","whyItMatters":"Regulated only as a secondary (cosmetic) standard.","measured":{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"1"}]},{"analyteId":"ph","name":"pH","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how acidic or basic the water is.","whyItMatters":"Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.","measured":{"value":8,"low":null,"high":null,"kind":"point","display":"8","units":null,"statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"8"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":8,"low":7.9,"high":8,"kind":"range","display":"7.9–8","units":null,"statisticType":"range","samplingContext":"source","rawVerbatim":"7.9 – 8"},{"value":8,"low":null,"high":null,"kind":"point","display":"8","units":null,"statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"8"}]},{"analyteId":"specific_conductance","name":"Specific Conductance","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how well water conducts electricity, which tracks dissolved mineral content.","whyItMatters":"Not federally regulated for health; used as a proxy for total dissolved solids.","measured":{"value":542,"low":null,"high":null,"kind":"point","display":"542","units":null,"statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"542"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":597,"low":474,"high":597,"kind":"range","display":"474–597","units":null,"statisticType":"range","samplingContext":"source","rawVerbatim":"474 – 597"},{"value":542,"low":null,"high":null,"kind":"point","display":"542","units":null,"statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"542"}]},{"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":0.17,"low":null,"high":null,"kind":"point","display":"0.17","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater Amount","censored":false,"detectionLimit":null,"rawVerbatim":"0.17"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.38,"low":0.08,"high":0.38,"kind":"range","display":"0.08–0.38","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.08 – 0.38"},{"value":0.17,"low":null,"high":null,"kind":"point","display":"0.17","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater Amount","rawVerbatim":"0.17"}]},{"analyteId":"tds","name":"Total Dissolved Solids","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"Total dissolved solids — the combined content of all dissolved minerals and salts.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels affect taste and hardness.","measured":{"value":324,"low":null,"high":null,"kind":"point","display":"324","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"324"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":324,"low":null,"high":null,"kind":"point","display":"324","units":"mg/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"324"},{"value":366,"low":238,"high":366,"kind":"range","display":"238–366","units":"mg/L","statisticType":"range","samplingContext":"source","rawVerbatim":"238 – 366"}]},{"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":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"NTU","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.15"},"federalStandard":{"type":"MCL","value":1,"units":"NTU","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"NTU","statisticType":"average","samplingContext":"plant:Average Amount","rawVerbatim":"0.14"},{"value":0.4,"low":0,"high":0.4,"kind":"range","display":"0–0.4","units":"NTU","statisticType":"range","samplingContext":"source","rawVerbatim":"ND – 0.4"},{"value":0.82,"low":0,"high":0.82,"kind":"range","display":"0–0.82","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 0.82"},{"value":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"NTU","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"0.15"}]},{"analyteId":"uranium","name":"Uranium","family":"radionuclide","familyLabel":"Radionuclides","casrn":"7440-61-1","whatItIs":"A naturally occurring radioactive metal from erosion of natural deposits.","whyItMatters":"Long-term exposure above the federal limit can damage the kidneys and increase cancer risk.","measured":{"value":2.7,"low":null,"high":null,"kind":"point","display":"2.7","units":"pCi/L","statisticType":"average","samplingContext":"plant:Local Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"2.7"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.7,"low":null,"high":null,"kind":"point","display":"2.7","units":"pCi/L","statisticType":"average","samplingContext":"plant:Local Groundwater","rawVerbatim":"2.7"},{"value":4,"low":1.6,"high":4,"kind":"range","display":"1.6–4","units":"pCi/L","statisticType":"range","samplingContext":"source","rawVerbatim":"1.6 – 4"}]}]}}