{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-06-04T03:18:29.227Z"},"system":{"slug":"ca__montebello-land-water-co__CA1910091","name":"Montebello Land & Water Co. — Montebello, Ca","state":"CA","year":2023,"url":"https://www.thewatermap.com/water/ca/montebello-land-water-co-montebello-ca/2023","apiUrl":"https://www.thewatermap.com/api/water/ca/montebello-land-water-co-montebello-ca/2023","markdownUrl":"https://www.thewatermap.com/water/ca/montebello-land-water-co-montebello-ca/2023/llms.txt","coordinates":{"latitude":34.0159398,"longitude":-118.111975},"contaminantsMeasured":30,"contaminantsWithFederalLimit":12,"contaminantsAtOrAboveLimit":2,"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":3.2,"low":null,"high":null,"kind":"point","display":"3.2","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"3.2"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3.3,"low":0,"high":3.3,"kind":"range","display":"0–3.3","units":"ug/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"ND - 3.3"},{"value":3.2,"low":null,"high":null,"kind":"point","display":"3.2","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"3.2"}]},{"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":19,"low":null,"high":null,"kind":"point","display":"19","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"19"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":19,"low":null,"high":null,"kind":"point","display":"19","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"19"},{"value":21,"low":5.1,"high":21,"kind":"range","display":"5.1–21","units":"ug/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"5.1 - 21"}]}]},{"family":"inorganic","familyLabel":"Inorganic chemicals","contaminants":[{"analyteId":"fluoride","name":"Fluoride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16984-48-8","whatItIs":"A mineral often added to drinking water to help prevent tooth decay.","whyItMatters":"Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.","measured":{"value":0.31,"low":null,"high":null,"kind":"point","display":"0.31","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.31"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.35,"low":0.18,"high":0.35,"kind":"range","display":"0.18–0.35","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"0.18 - 0.35"},{"value":0.31,"low":null,"high":null,"kind":"point","display":"0.31","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.31"}]},{"analyteId":"nitrate","name":"Nitrate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14797-55-8","whatItIs":"A compound from fertilizer runoff, septic systems, and erosion of natural deposits.","whyItMatters":"Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.","measured":{"value":2.2,"low":null,"high":null,"kind":"point","display":"2.2","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"2.2"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.2,"low":null,"high":null,"kind":"point","display":"2.2","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"2.2"},{"value":4,"low":0,"high":4,"kind":"range","display":"0–4","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 4"}]}]},{"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":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.2,"low":0,"high":2.2,"kind":"range","display":"0–2.2","units":"ug/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 2.2"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"2"}]},{"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":66,"low":null,"high":null,"kind":"point","display":"66","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"66"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":66,"low":null,"high":null,"kind":"point","display":"66","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"66"},{"value":79,"low":57,"high":79,"kind":"range","display":"57–79","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"57 - 79"}]},{"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":0.33,"low":null,"high":null,"kind":"point","display":"0.33","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.33"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.33,"low":null,"high":null,"kind":"point","display":"0.33","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.33"},{"value":0.55,"low":0,"high":0.55,"kind":"range","display":"0–0.55","units":"ug/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 0.55"}]},{"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":0.67,"low":null,"high":null,"kind":"point","display":"0.67","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.67"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.67,"low":null,"high":null,"kind":"point","display":"0.67","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.67"}]},{"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":5,"rawVerbatim":"ND<5"},"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<5"}]},{"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":12,"low":null,"high":null,"kind":"point","display":"12","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"12"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":12,"low":null,"high":null,"kind":"point","display":"12","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"12"},{"value":16,"low":9.5,"high":16,"kind":"range","display":"9.5–16","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"9.5 - 16"}]},{"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":3.9,"low":null,"high":null,"kind":"point","display":"3.9","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"3.9"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.9,"low":null,"high":null,"kind":"point","display":"3.9","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"3.9"},{"value":4.4,"low":3.3,"high":4.4,"kind":"range","display":"3.3–4.4","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"3.3 - 4.4"}]},{"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":51,"low":null,"high":null,"kind":"point","display":"51","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"51"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":56,"low":46,"high":56,"kind":"range","display":"46–56","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"46 - 56"},{"value":51,"low":null,"high":null,"kind":"point","display":"51","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"51"}]}]},{"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":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max_single","samplingContext":"plant:Number Of Detections","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":{"type":"MCLG","value":0,"units":null,"enforceable":false},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max_single","samplingContext":"plant:Number Of Detections","rawVerbatim":"0"}]}]},{"family":"other","familyLabel":"Other","contaminants":[{"analyteId":"chlorine_total","name":"Chlorine Total","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":0.64,"low":null,"high":null,"kind":"point","display":"0.64","units":"mg/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"0.64"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.2,"low":0.3,"high":1.2,"kind":"range","display":"0.3–1.2","units":"mg/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.3 - 1.2"},{"value":0.64,"low":null,"high":null,"kind":"point","display":"0.64","units":"mg/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"0.64"}]},{"analyteId":"radium_226_228","name":"Radium 226 228","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"range","samplingContext":"plant:Groundwater","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":5,"units":"pCi/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"}]}]},{"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":9.7,"low":null,"high":null,"kind":"point","display":"9.7","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"9.7"},"federalStandard":{"type":"NL","value":500,"units":"ng/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":10,"low":3.9,"high":10,"kind":"range","display":"3.9–10","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"3.9 - 10"},{"value":13,"low":3.5,"high":13,"kind":"range","display":"3.5–13","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"3.5 - 13"},{"value":7.6,"low":null,"high":null,"kind":"point","display":"7.6","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"7.6"},{"value":9.7,"low":null,"high":null,"kind":"point","display":"9.7","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"9.7"}]},{"analyteId":"pfda","name":"Perfluorodecanoic acid (PFDA)","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"335-76-2","whatItIs":"Perfluorodecanoic acid, a longer-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent and bioaccumulative.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 3"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"}]},{"analyteId":"pfhpa","name":"Perfluoroheptanoic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"375-85-9","whatItIs":"Perfluoroheptanoic acid, a PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent in the environment.","measured":{"value":3.8,"low":null,"high":null,"kind":"point","display":"3.8","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"3.8"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":6.8,"low":0,"high":6.8,"kind":"range","display":"0–6.8","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 6.8"},{"value":3.8,"low":null,"high":null,"kind":"point","display":"3.8","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"3.8"},{"value":3,"low":null,"high":null,"kind":"point","display":"3","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"3"},{"value":4.9,"low":0,"high":4.9,"kind":"range","display":"0–4.9","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 4.9"}]},{"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":6.6,"low":null,"high":null,"kind":"point","display":"6.6","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"6.6"},"federalStandard":{"type":"NL","value":3,"units":"ng/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":6.6,"low":null,"high":null,"kind":"point","display":"6.6","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"6.6"},{"value":7.2,"low":5.6,"high":7.2,"kind":"range","display":"5.6–7.2","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"5.6 - 7.2"},{"value":6.4,"low":null,"high":null,"kind":"point","display":"6.4","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"6.4"},{"value":8.4,"low":5,"high":8.4,"kind":"range","display":"5–8.4","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"5 - 8.4"}]},{"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":6.6,"low":null,"high":null,"kind":"point","display":"6.6","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"6.6"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":13,"low":0,"high":13,"kind":"range","display":"0–13","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 13"},{"value":6.6,"low":null,"high":null,"kind":"point","display":"6.6","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"6.6"},{"value":9.1,"low":0,"high":9.1,"kind":"range","display":"0–9.1","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 9.1"},{"value":4.2,"low":null,"high":null,"kind":"point","display":"4.2","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"4.2"}]},{"analyteId":"pfna","name":"Perfluorononanoic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"375-95-1","whatItIs":"Perfluorononanoic acid, a PFAS 'forever chemical.'","whyItMatters":"Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":5.1,"low":0,"high":5.1,"kind":"range","display":"0–5.1","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 5.1"}]},{"analyteId":"pfpea","name":"Perfluoropentanoic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"2706-90-3","whatItIs":"Perfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent in the environment.","measured":{"value":6.9,"low":null,"high":null,"kind":"point","display":"6.9","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"6.9"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4.4,"low":null,"high":null,"kind":"point","display":"4.4","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"4.4"},{"value":9.2,"low":0,"high":9.2,"kind":"range","display":"0–9.2","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 9.2"},{"value":14,"low":0,"high":14,"kind":"range","display":"0–14","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 14"},{"value":6.9,"low":null,"high":null,"kind":"point","display":"6.9","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"6.9"}]},{"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":12,"low":null,"high":null,"kind":"point","display":"12","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"12"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":12,"low":null,"high":null,"kind":"point","display":"12","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"12"},{"value":12,"low":5.5,"high":12,"kind":"range","display":"5.5–12","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"5.5 - 12"},{"value":17,"low":5,"high":17,"kind":"range","display":"5–17","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"5 - 17"},{"value":9.3,"low":null,"high":null,"kind":"point","display":"9.3","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"9.3"}]},{"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":20,"low":null,"high":null,"kind":"point","display":"20","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"20"},"federalStandard":{"type":"NL","value":5.1,"units":"ng/L","enforceable":false},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":20,"low":null,"high":null,"kind":"point","display":"20","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"20"},{"value":15,"low":0,"high":15,"kind":"range","display":"0–15","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 15"},{"value":22,"low":4,"high":22,"kind":"range","display":"4–22","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"4 - 22"},{"value":8.7,"low":null,"high":null,"kind":"point","display":"8.7","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"8.7"}]},{"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":60,"low":null,"high":null,"kind":"point","display":"60","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"60"},"federalStandard":{"type":"NL","value":6.5,"units":"ng/L","enforceable":false},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":67,"low":35,"high":67,"kind":"range","display":"35–67","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"35 - 67"},{"value":60,"low":null,"high":null,"kind":"point","display":"60","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"60"},{"value":53,"low":34,"high":53,"kind":"range","display":"34–53","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"34 - 53"},{"value":42,"low":null,"high":null,"kind":"point","display":"42","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"42"}]}]},{"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":180,"low":null,"high":null,"kind":"point","display":"180","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"180"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":180,"low":null,"high":null,"kind":"point","display":"180","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"180"},{"value":210,"low":170,"high":210,"kind":"range","display":"170–210","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"170 - 210"}]},{"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":210,"low":null,"high":null,"kind":"point","display":"210","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"210"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":260,"low":180,"high":260,"kind":"range","display":"180–260","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"180 - 260"},{"value":210,"low":null,"high":null,"kind":"point","display":"210","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"210"}]},{"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":7.7,"low":null,"high":null,"kind":"point","display":"7.7","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"7.7"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":7.9,"low":7.5,"high":7.9,"kind":"range","display":"7.5–7.9","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"7.5 - 7.9"},{"value":7.7,"low":null,"high":null,"kind":"point","display":"7.7","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"7.7"}]}]},{"family":"radionuclide","familyLabel":"Radionuclides","contaminants":[{"analyteId":"gross_alpha","name":"Gross Alpha","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Gross alpha particle activity — a combined measure of alpha-emitting radioactive substances.","whyItMatters":"Long-term exposure above the federal limit increases cancer risk.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"range","samplingContext":"plant:Groundwater","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":15,"units":"pCi/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"average","samplingContext":"plant:Groundwater","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":1,"low":null,"high":null,"kind":"point","display":"1","units":"pCi/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.6,"low":0,"high":1.6,"kind":"range","display":"0–1.6","units":"pCi/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 1.6"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"pCi/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"1"}]}]}],"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":3.2,"low":null,"high":null,"kind":"point","display":"3.2","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"3.2"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3.3,"low":0,"high":3.3,"kind":"range","display":"0–3.3","units":"ug/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"ND - 3.3"},{"value":3.2,"low":null,"high":null,"kind":"point","display":"3.2","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"3.2"}]},{"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":19,"low":null,"high":null,"kind":"point","display":"19","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"19"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":19,"low":null,"high":null,"kind":"point","display":"19","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"19"},{"value":21,"low":5.1,"high":21,"kind":"range","display":"5.1–21","units":"ug/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"5.1 - 21"}]},{"analyteId":"fluoride","name":"Fluoride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16984-48-8","whatItIs":"A mineral often added to drinking water to help prevent tooth decay.","whyItMatters":"Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.","measured":{"value":0.31,"low":null,"high":null,"kind":"point","display":"0.31","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.31"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.35,"low":0.18,"high":0.35,"kind":"range","display":"0.18–0.35","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"0.18 - 0.35"},{"value":0.31,"low":null,"high":null,"kind":"point","display":"0.31","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.31"}]},{"analyteId":"nitrate","name":"Nitrate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14797-55-8","whatItIs":"A compound from fertilizer runoff, septic systems, and erosion of natural deposits.","whyItMatters":"Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.","measured":{"value":2.2,"low":null,"high":null,"kind":"point","display":"2.2","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"2.2"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.2,"low":null,"high":null,"kind":"point","display":"2.2","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"2.2"},{"value":4,"low":0,"high":4,"kind":"range","display":"0–4","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 4"}]},{"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":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.2,"low":0,"high":2.2,"kind":"range","display":"0–2.2","units":"ug/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 2.2"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"2"}]},{"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":66,"low":null,"high":null,"kind":"point","display":"66","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"66"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":66,"low":null,"high":null,"kind":"point","display":"66","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"66"},{"value":79,"low":57,"high":79,"kind":"range","display":"57–79","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"57 - 79"}]},{"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":0.33,"low":null,"high":null,"kind":"point","display":"0.33","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.33"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.33,"low":null,"high":null,"kind":"point","display":"0.33","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.33"},{"value":0.55,"low":0,"high":0.55,"kind":"range","display":"0–0.55","units":"ug/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 0.55"}]},{"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":0.67,"low":null,"high":null,"kind":"point","display":"0.67","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.67"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.67,"low":null,"high":null,"kind":"point","display":"0.67","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.67"}]},{"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":5,"rawVerbatim":"ND<5"},"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<5"}]},{"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":12,"low":null,"high":null,"kind":"point","display":"12","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"12"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":12,"low":null,"high":null,"kind":"point","display":"12","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"12"},{"value":16,"low":9.5,"high":16,"kind":"range","display":"9.5–16","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"9.5 - 16"}]},{"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":3.9,"low":null,"high":null,"kind":"point","display":"3.9","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"3.9"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.9,"low":null,"high":null,"kind":"point","display":"3.9","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"3.9"},{"value":4.4,"low":3.3,"high":4.4,"kind":"range","display":"3.3–4.4","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"3.3 - 4.4"}]},{"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":51,"low":null,"high":null,"kind":"point","display":"51","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"51"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":56,"low":46,"high":56,"kind":"range","display":"46–56","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"46 - 56"},{"value":51,"low":null,"high":null,"kind":"point","display":"51","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"51"}]},{"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":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max_single","samplingContext":"plant:Number Of Detections","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":{"type":"MCLG","value":0,"units":null,"enforceable":false},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max_single","samplingContext":"plant:Number Of Detections","rawVerbatim":"0"}]},{"analyteId":"chlorine_total","name":"Chlorine Total","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":0.64,"low":null,"high":null,"kind":"point","display":"0.64","units":"mg/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"0.64"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.2,"low":0.3,"high":1.2,"kind":"range","display":"0.3–1.2","units":"mg/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.3 - 1.2"},{"value":0.64,"low":null,"high":null,"kind":"point","display":"0.64","units":"mg/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"0.64"}]},{"analyteId":"radium_226_228","name":"Radium 226 228","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"range","samplingContext":"plant:Groundwater","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":5,"units":"pCi/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"}]},{"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":9.7,"low":null,"high":null,"kind":"point","display":"9.7","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"9.7"},"federalStandard":{"type":"NL","value":500,"units":"ng/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":10,"low":3.9,"high":10,"kind":"range","display":"3.9–10","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"3.9 - 10"},{"value":13,"low":3.5,"high":13,"kind":"range","display":"3.5–13","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"3.5 - 13"},{"value":7.6,"low":null,"high":null,"kind":"point","display":"7.6","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"7.6"},{"value":9.7,"low":null,"high":null,"kind":"point","display":"9.7","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"9.7"}]},{"analyteId":"pfda","name":"Perfluorodecanoic acid (PFDA)","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"335-76-2","whatItIs":"Perfluorodecanoic acid, a longer-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent and bioaccumulative.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 3"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"}]},{"analyteId":"pfhpa","name":"Perfluoroheptanoic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"375-85-9","whatItIs":"Perfluoroheptanoic acid, a PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent in the environment.","measured":{"value":3.8,"low":null,"high":null,"kind":"point","display":"3.8","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"3.8"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":6.8,"low":0,"high":6.8,"kind":"range","display":"0–6.8","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 6.8"},{"value":3.8,"low":null,"high":null,"kind":"point","display":"3.8","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"3.8"},{"value":3,"low":null,"high":null,"kind":"point","display":"3","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"3"},{"value":4.9,"low":0,"high":4.9,"kind":"range","display":"0–4.9","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 4.9"}]},{"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":6.6,"low":null,"high":null,"kind":"point","display":"6.6","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"6.6"},"federalStandard":{"type":"NL","value":3,"units":"ng/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":6.6,"low":null,"high":null,"kind":"point","display":"6.6","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"6.6"},{"value":7.2,"low":5.6,"high":7.2,"kind":"range","display":"5.6–7.2","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"5.6 - 7.2"},{"value":6.4,"low":null,"high":null,"kind":"point","display":"6.4","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"6.4"},{"value":8.4,"low":5,"high":8.4,"kind":"range","display":"5–8.4","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"5 - 8.4"}]},{"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":6.6,"low":null,"high":null,"kind":"point","display":"6.6","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"6.6"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":13,"low":0,"high":13,"kind":"range","display":"0–13","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 13"},{"value":6.6,"low":null,"high":null,"kind":"point","display":"6.6","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"6.6"},{"value":9.1,"low":0,"high":9.1,"kind":"range","display":"0–9.1","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 9.1"},{"value":4.2,"low":null,"high":null,"kind":"point","display":"4.2","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"4.2"}]},{"analyteId":"pfna","name":"Perfluorononanoic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"375-95-1","whatItIs":"Perfluorononanoic acid, a PFAS 'forever chemical.'","whyItMatters":"Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":5.1,"low":0,"high":5.1,"kind":"range","display":"0–5.1","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 5.1"}]},{"analyteId":"pfpea","name":"Perfluoropentanoic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"2706-90-3","whatItIs":"Perfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent in the environment.","measured":{"value":6.9,"low":null,"high":null,"kind":"point","display":"6.9","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"6.9"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4.4,"low":null,"high":null,"kind":"point","display":"4.4","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"4.4"},{"value":9.2,"low":0,"high":9.2,"kind":"range","display":"0–9.2","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 9.2"},{"value":14,"low":0,"high":14,"kind":"range","display":"0–14","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 14"},{"value":6.9,"low":null,"high":null,"kind":"point","display":"6.9","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"6.9"}]},{"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":12,"low":null,"high":null,"kind":"point","display":"12","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"12"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":12,"low":null,"high":null,"kind":"point","display":"12","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"12"},{"value":12,"low":5.5,"high":12,"kind":"range","display":"5.5–12","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"5.5 - 12"},{"value":17,"low":5,"high":17,"kind":"range","display":"5–17","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"5 - 17"},{"value":9.3,"low":null,"high":null,"kind":"point","display":"9.3","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"9.3"}]},{"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":20,"low":null,"high":null,"kind":"point","display":"20","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"20"},"federalStandard":{"type":"NL","value":5.1,"units":"ng/L","enforceable":false},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":20,"low":null,"high":null,"kind":"point","display":"20","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"20"},{"value":15,"low":0,"high":15,"kind":"range","display":"0–15","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 15"},{"value":22,"low":4,"high":22,"kind":"range","display":"4–22","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"4 - 22"},{"value":8.7,"low":null,"high":null,"kind":"point","display":"8.7","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"8.7"}]},{"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":60,"low":null,"high":null,"kind":"point","display":"60","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"60"},"federalStandard":{"type":"NL","value":6.5,"units":"ng/L","enforceable":false},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":67,"low":35,"high":67,"kind":"range","display":"35–67","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"35 - 67"},{"value":60,"low":null,"high":null,"kind":"point","display":"60","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"60"},{"value":53,"low":34,"high":53,"kind":"range","display":"34–53","units":"ng/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"34 - 53"},{"value":42,"low":null,"high":null,"kind":"point","display":"42","units":"ng/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"42"}]},{"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":180,"low":null,"high":null,"kind":"point","display":"180","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"180"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":180,"low":null,"high":null,"kind":"point","display":"180","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"180"},{"value":210,"low":170,"high":210,"kind":"range","display":"170–210","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"170 - 210"}]},{"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":210,"low":null,"high":null,"kind":"point","display":"210","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"210"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":260,"low":180,"high":260,"kind":"range","display":"180–260","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"180 - 260"},{"value":210,"low":null,"high":null,"kind":"point","display":"210","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"210"}]},{"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":7.7,"low":null,"high":null,"kind":"point","display":"7.7","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"7.7"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":7.9,"low":7.5,"high":7.9,"kind":"range","display":"7.5–7.9","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"7.5 - 7.9"},{"value":7.7,"low":null,"high":null,"kind":"point","display":"7.7","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"7.7"}]},{"analyteId":"gross_alpha","name":"Gross Alpha","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Gross alpha particle activity — a combined measure of alpha-emitting radioactive substances.","whyItMatters":"Long-term exposure above the federal limit increases cancer risk.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"range","samplingContext":"plant:Groundwater","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":15,"units":"pCi/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"average","samplingContext":"plant:Groundwater","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":1,"low":null,"high":null,"kind":"point","display":"1","units":"pCi/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.6,"low":0,"high":1.6,"kind":"range","display":"0–1.6","units":"pCi/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 1.6"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"pCi/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"1"}]}]}}