{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-07-14T14:44:24.227Z"},"system":{"slug":"metro__297__edison","name":"Edison","state":"NJ","year":2024,"url":"https://www.thewatermap.com/water/nj/edison/2024","apiUrl":"https://www.thewatermap.com/api/water/nj/edison/2024","markdownUrl":"https://www.thewatermap.com/water/nj/edison/2024/llms.txt","coordinates":{"latitude":40.5005351,"longitude":-74.3983939},"contaminantsMeasured":32,"contaminantsWithFederalLimit":9,"contaminantsAtOrAboveLimit":2,"contaminantsApproachingLimit":1,"source":{"type":"Consumer Confidence Report (CCR)","description":"Figures are transcribed from the water utility's own annual Consumer Confidence Report, cross-checked by a second model, and approved by a person before publishing."},"families":[{"family":"disinfectant","familyLabel":"Disinfectants","contaminants":[{"analyteId":"chlorine","name":"Chlorine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A disinfectant added to drinking water to kill bacteria and viruses.","whyItMatters":"Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.","measured":{"value":1.36,"low":0.66,"high":1.36,"kind":"range","display":"0.66–1.36","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.66 – 1.36 (POE and Distribution)"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.12,"low":null,"high":null,"kind":"point","display":"1.12","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"Highest RAA: 1.12"},{"value":1.36,"low":0.66,"high":1.36,"kind":"range","display":"0.66–1.36","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.66 – 1.36 (POE and Distribution)"}]}]},{"family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","contaminants":[{"analyteId":"bromate","name":"Bromate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"15541-45-4","whatItIs":"A disinfection byproduct formed when bromide-containing water is treated with ozone.","whyItMatters":"Classified as a probable human carcinogen; the EPA sets a strict maximum contaminant level.","measured":{"value":9,"low":null,"high":null,"kind":"point","display":"9","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"9"},"federalStandard":null,"status":{"key":"approaching","label":"Approaching the limit"},"breakdowns":[],"measurements":[{"value":9,"low":null,"high":null,"kind":"point","display":"9","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"9"},{"value":9,"low":0,"high":9,"kind":"range","display":"0–9","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 9"}]},{"analyteId":"chlorate","name":"Chlorate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"14866-68-3","whatItIs":"A byproduct that can form during disinfection, especially when hypochlorite solutions degrade.","whyItMatters":"Has no enforceable federal limit but is on the EPA contaminant candidate list; high levels can affect the thyroid.","measured":{"value":340,"low":null,"high":null,"kind":"point","display":"340","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"340"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":340,"low":null,"high":null,"kind":"point","display":"340","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"340"},{"value":340,"low":null,"high":null,"kind":"point","display":"340","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"340"},{"value":340,"low":120,"high":340,"kind":"range","display":"120–340","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"120 - 340"}]},{"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":43.8,"low":20,"high":43.8,"kind":"range","display":"20–43.8","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"20.00 – 43.80"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":32.8,"low":null,"high":null,"kind":"point","display":"32.8","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"Highest LRAA: 32.80"},{"value":43.8,"low":20,"high":43.8,"kind":"range","display":"20–43.8","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"20.00 – 43.80"}]},{"analyteId":"perchlorate","name":"Perchlorate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"14797-73-0","whatItIs":"A chemical used in rocket fuel and fireworks that can also form during disinfection.","whyItMatters":"Can interfere with thyroid hormone production; has no national enforceable limit but is regulated in some states.","measured":{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"0.9"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"0.9"},{"value":0.9,"low":0.1,"high":0.9,"kind":"range","display":"0.1–0.9","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.1 – 0.9"}]},{"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":42.2,"low":16.1,"high":42.2,"kind":"range","display":"16.1–42.2","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"16.10 – 42.20"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":28.8,"low":null,"high":null,"kind":"point","display":"28.8","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"Highest LRAA: 28.80"},{"value":42.2,"low":16.1,"high":42.2,"kind":"range","display":"16.1–42.2","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"16.10 – 42.20"}]}]},{"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":0.09,"low":null,"high":null,"kind":"point","display":"0.09","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"0.09"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.09,"low":null,"high":null,"kind":"point","display":"0.09","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"0.09"}]},{"analyteId":"nitrate","name":"Nitrate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14797-55-8","whatItIs":"A compound from fertilizer runoff, septic systems, and erosion of natural deposits.","whyItMatters":"Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.","measured":{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"2"},{"value":2,"low":0.1,"high":2,"kind":"range","display":"0.1–2","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.1 – 2"}]}]},{"family":"metal","familyLabel":"Metals","contaminants":[{"analyteId":"aluminum","name":"Aluminum","family":"metal","familyLabel":"Metals","casrn":"7429-90-5","whatItIs":"A common element sometimes used as a treatment coagulant.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels can discolor water.","measured":{"value":10,"low":null,"high":null,"kind":"point","display":"10","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"10"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":10,"low":null,"high":null,"kind":"point","display":"10","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"10"},{"value":10,"low":0,"high":10,"kind":"range","display":"0–10","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 10"}]},{"analyteId":"arsenic","name":"Arsenic","family":"metal","familyLabel":"Metals","casrn":"7440-38-2","whatItIs":"A naturally occurring element that also enters water from industry and agriculture.","whyItMatters":"A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":true,"detectionLimit":0.5,"rawVerbatim":"<0.5"},"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":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"<0.5"}]},{"analyteId":"barium","name":"Barium","family":"metal","familyLabel":"Metals","casrn":"7440-39-3","whatItIs":"A metal from erosion of natural deposits and industrial discharge.","whyItMatters":"Long-term exposure above the federal limit can raise blood pressure.","measured":{"value":0.03,"low":null,"high":null,"kind":"point","display":"0.03","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"0.03"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.03,"low":null,"high":null,"kind":"point","display":"0.03","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"0.03"}]},{"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":0.2694,"low":null,"high":null,"kind":"point","display":"0.2694","units":"mg/L","statisticType":"p90","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"90th Percentile = 0.2694"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.2694,"low":null,"high":null,"kind":"point","display":"0.2694","units":"mg/L","statisticType":"p90","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"90th Percentile = 0.2694"},{"value":0.284,"low":0,"high":0.284,"kind":"range","display":"0–0.284","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.284"}]},{"analyteId":"germanium","name":"Germanium","family":"metal","familyLabel":"Metals","casrn":"7440-56-4","whatItIs":"A trace metalloid found in some source water.","whyItMatters":"Not federally regulated; monitored occasionally as a trace element.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","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":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"ND"}]},{"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":1.6,"low":null,"high":null,"kind":"point","display":"1.6","units":"ug/L","statisticType":"p90","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"90th Percentile = 1.6"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.6,"low":null,"high":null,"kind":"point","display":"1.6","units":"ug/L","statisticType":"p90","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"90th Percentile = 1.6"}]},{"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":200.8,"low":null,"high":null,"kind":"point","display":"200.8","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"200.80"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":200.8,"low":null,"high":null,"kind":"point","display":"200.8","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"200.80"},{"value":200.8,"low":0,"high":200.8,"kind":"range","display":"0–200.8","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 200.80"}]},{"analyteId":"nickel","name":"Nickel","family":"metal","familyLabel":"Metals","casrn":"7440-02-0","whatItIs":"A metal from natural deposits and industrial discharge.","whyItMatters":"Long-term exposure can cause skin and other effects; monitored under EPA rules.","measured":{"value":1.7,"low":null,"high":null,"kind":"point","display":"1.7","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"1.7"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.7,"low":null,"high":null,"kind":"point","display":"1.7","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"1.7"}]},{"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":36,"low":null,"high":null,"kind":"point","display":"36","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"36"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":36,"low":null,"high":null,"kind":"point","display":"36","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"36"},{"value":36,"low":27,"high":36,"kind":"range","display":"27–36","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"27-36"}]}]},{"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","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"0"}]},{"analyteId":"total_coliform","name":"Total Coliform","family":"microbial","familyLabel":"Microbial","casrn":null,"whatItIs":"A group of bacteria used as an indicator of overall water-system sanitation.","whyItMatters":"Coliforms themselves are usually harmless, but their presence signals that disease-causing organisms could enter the system.","measured":{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"%","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"1.1%"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"%","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"1.1%"}]}]},{"family":"other","familyLabel":"Other","contaminants":[{"analyteId":"chromium","name":"Chromium","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":0.5,"low":null,"high":null,"kind":"point","display":"0.5","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"0.5"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.5,"low":null,"high":null,"kind":"point","display":"0.5","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"0.5"},{"value":0.5,"low":0.1,"high":0.5,"kind":"range","display":"0.1–0.5","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.1 – 0.5"}]}]},{"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":2,"low":null,"high":null,"kind":"point","display":"2","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"2"},{"value":2,"low":0,"high":2,"kind":"range","display":"0–2","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2"}]},{"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":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":true,"detectionLimit":2,"rawVerbatim":"<2"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"<2"}]},{"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":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":true,"detectionLimit":2,"rawVerbatim":"<2"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"<2"}]},{"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":4,"low":null,"high":null,"kind":"point","display":"4","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"4"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4,"low":null,"high":null,"kind":"point","display":"4","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"4"},{"value":4,"low":0,"high":4,"kind":"range","display":"0–4","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 4"}]},{"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":"max","samplingContext":"plant:Maximum Detected Level","censored":true,"detectionLimit":2,"rawVerbatim":"<2"},"federalStandard":{"type":"MCL","value":10,"units":"ng/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"<2"}]},{"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":6,"low":null,"high":null,"kind":"point","display":"6","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"6"},"federalStandard":{"type":"MCL","value":4,"units":"ng/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":6,"low":null,"high":null,"kind":"point","display":"6","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"6"},{"value":6,"low":0,"high":6,"kind":"range","display":"0–6","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 6"}]},{"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":5,"low":null,"high":null,"kind":"point","display":"5","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"5"},"federalStandard":{"type":"MCL","value":4,"units":"ng/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":5,"low":null,"high":null,"kind":"point","display":"5","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"5"},{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 5"}]}]},{"family":"physical_aggregate","familyLabel":"Physical & aggregate","contaminants":[{"analyteId":"toc","name":"TOC","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"Total organic carbon — a measure of organic material dissolved in the water.","whyItMatters":"Not harmful itself, but it is the raw material that forms disinfection byproducts; removal is a treatment requirement.","measured":{"value":1.9,"low":1.3,"high":1.9,"kind":"range","display":"1.3–1.9","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"Range of Ratios: 1.3 – 1.9"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":null,"statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"Lowest Ratio (RAA) = 1.3"},{"value":1.9,"low":1.3,"high":1.9,"kind":"range","display":"1.3–1.9","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"Range of Ratios: 1.3 – 1.9"}]},{"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":0.4,"low":0.03,"high":0.4,"kind":"range","display":"0.03–0.4","units":"NTU","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.03 - 0.4"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"NTU","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"0"},{"value":0.4,"low":0.03,"high":0.4,"kind":"range","display":"0.03–0.4","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"0.03 - 0.4"}]}]},{"family":"voc_pesticide","familyLabel":"VOCs & pesticides","contaminants":[{"analyteId":"tcp123","name":"1,2,3-TCP","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"96-18-4","whatItIs":null,"whyItMatters":null,"measured":{"value":20,"low":null,"high":null,"kind":"point","display":"20","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"20"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":20,"low":null,"high":null,"kind":"point","display":"20","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"20"},{"value":20,"low":10,"high":20,"kind":"range","display":"10–20","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"10 - 20"}]},{"analyteId":"dbcp","name":"DBCP","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"96-12-8","whatItIs":"1,2-dibromo-3-chloropropane — a banned soil fumigant pesticide.","whyItMatters":"A probable human carcinogen; long-term exposure above the federal limit can cause reproductive harm.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":true,"detectionLimit":2,"rawVerbatim":"<2"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"<2"}]},{"analyteId":"ethylene_dibromide","name":"Ethylene dibromide","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"106-93-4","whatItIs":null,"whyItMatters":null,"measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":true,"detectionLimit":2,"rawVerbatim":"<2"},"federalStandard":{"type":"MCL","value":5000000,"units":"ng/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"<2"}]}]}],"contaminants":[{"analyteId":"chlorine","name":"Chlorine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A disinfectant added to drinking water to kill bacteria and viruses.","whyItMatters":"Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.","measured":{"value":1.36,"low":0.66,"high":1.36,"kind":"range","display":"0.66–1.36","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.66 – 1.36 (POE and Distribution)"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.12,"low":null,"high":null,"kind":"point","display":"1.12","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"Highest RAA: 1.12"},{"value":1.36,"low":0.66,"high":1.36,"kind":"range","display":"0.66–1.36","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.66 – 1.36 (POE and Distribution)"}]},{"analyteId":"bromate","name":"Bromate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"15541-45-4","whatItIs":"A disinfection byproduct formed when bromide-containing water is treated with ozone.","whyItMatters":"Classified as a probable human carcinogen; the EPA sets a strict maximum contaminant level.","measured":{"value":9,"low":null,"high":null,"kind":"point","display":"9","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"9"},"federalStandard":null,"status":{"key":"approaching","label":"Approaching the limit"},"breakdowns":[],"measurements":[{"value":9,"low":null,"high":null,"kind":"point","display":"9","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"9"},{"value":9,"low":0,"high":9,"kind":"range","display":"0–9","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 9"}]},{"analyteId":"chlorate","name":"Chlorate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"14866-68-3","whatItIs":"A byproduct that can form during disinfection, especially when hypochlorite solutions degrade.","whyItMatters":"Has no enforceable federal limit but is on the EPA contaminant candidate list; high levels can affect the thyroid.","measured":{"value":340,"low":null,"high":null,"kind":"point","display":"340","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"340"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":340,"low":null,"high":null,"kind":"point","display":"340","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"340"},{"value":340,"low":null,"high":null,"kind":"point","display":"340","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"340"},{"value":340,"low":120,"high":340,"kind":"range","display":"120–340","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"120 - 340"}]},{"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":43.8,"low":20,"high":43.8,"kind":"range","display":"20–43.8","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"20.00 – 43.80"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":32.8,"low":null,"high":null,"kind":"point","display":"32.8","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"Highest LRAA: 32.80"},{"value":43.8,"low":20,"high":43.8,"kind":"range","display":"20–43.8","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"20.00 – 43.80"}]},{"analyteId":"perchlorate","name":"Perchlorate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"14797-73-0","whatItIs":"A chemical used in rocket fuel and fireworks that can also form during disinfection.","whyItMatters":"Can interfere with thyroid hormone production; has no national enforceable limit but is regulated in some states.","measured":{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"0.9"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"0.9"},{"value":0.9,"low":0.1,"high":0.9,"kind":"range","display":"0.1–0.9","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.1 – 0.9"}]},{"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":42.2,"low":16.1,"high":42.2,"kind":"range","display":"16.1–42.2","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"16.10 – 42.20"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":28.8,"low":null,"high":null,"kind":"point","display":"28.8","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"Highest LRAA: 28.80"},{"value":42.2,"low":16.1,"high":42.2,"kind":"range","display":"16.1–42.2","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"16.10 – 42.20"}]},{"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":0.09,"low":null,"high":null,"kind":"point","display":"0.09","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"0.09"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.09,"low":null,"high":null,"kind":"point","display":"0.09","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"0.09"}]},{"analyteId":"nitrate","name":"Nitrate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14797-55-8","whatItIs":"A compound from fertilizer runoff, septic systems, and erosion of natural deposits.","whyItMatters":"Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.","measured":{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"2"},{"value":2,"low":0.1,"high":2,"kind":"range","display":"0.1–2","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.1 – 2"}]},{"analyteId":"aluminum","name":"Aluminum","family":"metal","familyLabel":"Metals","casrn":"7429-90-5","whatItIs":"A common element sometimes used as a treatment coagulant.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels can discolor water.","measured":{"value":10,"low":null,"high":null,"kind":"point","display":"10","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"10"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":10,"low":null,"high":null,"kind":"point","display":"10","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"10"},{"value":10,"low":0,"high":10,"kind":"range","display":"0–10","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 10"}]},{"analyteId":"arsenic","name":"Arsenic","family":"metal","familyLabel":"Metals","casrn":"7440-38-2","whatItIs":"A naturally occurring element that also enters water from industry and agriculture.","whyItMatters":"A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":true,"detectionLimit":0.5,"rawVerbatim":"<0.5"},"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":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"<0.5"}]},{"analyteId":"barium","name":"Barium","family":"metal","familyLabel":"Metals","casrn":"7440-39-3","whatItIs":"A metal from erosion of natural deposits and industrial discharge.","whyItMatters":"Long-term exposure above the federal limit can raise blood pressure.","measured":{"value":0.03,"low":null,"high":null,"kind":"point","display":"0.03","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"0.03"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.03,"low":null,"high":null,"kind":"point","display":"0.03","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"0.03"}]},{"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":0.2694,"low":null,"high":null,"kind":"point","display":"0.2694","units":"mg/L","statisticType":"p90","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"90th Percentile = 0.2694"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.2694,"low":null,"high":null,"kind":"point","display":"0.2694","units":"mg/L","statisticType":"p90","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"90th Percentile = 0.2694"},{"value":0.284,"low":0,"high":0.284,"kind":"range","display":"0–0.284","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.284"}]},{"analyteId":"germanium","name":"Germanium","family":"metal","familyLabel":"Metals","casrn":"7440-56-4","whatItIs":"A trace metalloid found in some source water.","whyItMatters":"Not federally regulated; monitored occasionally as a trace element.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","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":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"ND"}]},{"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":1.6,"low":null,"high":null,"kind":"point","display":"1.6","units":"ug/L","statisticType":"p90","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"90th Percentile = 1.6"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.6,"low":null,"high":null,"kind":"point","display":"1.6","units":"ug/L","statisticType":"p90","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"90th Percentile = 1.6"}]},{"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":200.8,"low":null,"high":null,"kind":"point","display":"200.8","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"200.80"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":200.8,"low":null,"high":null,"kind":"point","display":"200.8","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"200.80"},{"value":200.8,"low":0,"high":200.8,"kind":"range","display":"0–200.8","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND – 200.80"}]},{"analyteId":"nickel","name":"Nickel","family":"metal","familyLabel":"Metals","casrn":"7440-02-0","whatItIs":"A metal from natural deposits and industrial discharge.","whyItMatters":"Long-term exposure can cause skin and other effects; monitored under EPA rules.","measured":{"value":1.7,"low":null,"high":null,"kind":"point","display":"1.7","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"1.7"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.7,"low":null,"high":null,"kind":"point","display":"1.7","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"1.7"}]},{"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":36,"low":null,"high":null,"kind":"point","display":"36","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"36"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":36,"low":null,"high":null,"kind":"point","display":"36","units":"mg/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"36"},{"value":36,"low":27,"high":36,"kind":"range","display":"27–36","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"27-36"}]},{"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","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"0"}]},{"analyteId":"total_coliform","name":"Total Coliform","family":"microbial","familyLabel":"Microbial","casrn":null,"whatItIs":"A group of bacteria used as an indicator of overall water-system sanitation.","whyItMatters":"Coliforms themselves are usually harmless, but their presence signals that disease-causing organisms could enter the system.","measured":{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"%","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"1.1%"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"%","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"1.1%"}]},{"analyteId":"chromium","name":"Chromium","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":0.5,"low":null,"high":null,"kind":"point","display":"0.5","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"0.5"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.5,"low":null,"high":null,"kind":"point","display":"0.5","units":"ug/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"0.5"},{"value":0.5,"low":0.1,"high":0.5,"kind":"range","display":"0.1–0.5","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.1 – 0.5"}]},{"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":2,"low":null,"high":null,"kind":"point","display":"2","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"2"},{"value":2,"low":0,"high":2,"kind":"range","display":"0–2","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 2"}]},{"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":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":true,"detectionLimit":2,"rawVerbatim":"<2"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"<2"}]},{"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":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":true,"detectionLimit":2,"rawVerbatim":"<2"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"<2"}]},{"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":4,"low":null,"high":null,"kind":"point","display":"4","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"4"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4,"low":null,"high":null,"kind":"point","display":"4","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"4"},{"value":4,"low":0,"high":4,"kind":"range","display":"0–4","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 4"}]},{"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":"max","samplingContext":"plant:Maximum Detected Level","censored":true,"detectionLimit":2,"rawVerbatim":"<2"},"federalStandard":{"type":"MCL","value":10,"units":"ng/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"<2"}]},{"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":6,"low":null,"high":null,"kind":"point","display":"6","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"6"},"federalStandard":{"type":"MCL","value":4,"units":"ng/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":6,"low":null,"high":null,"kind":"point","display":"6","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"6"},{"value":6,"low":0,"high":6,"kind":"range","display":"0–6","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 6"}]},{"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":5,"low":null,"high":null,"kind":"point","display":"5","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"5"},"federalStandard":{"type":"MCL","value":4,"units":"ng/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":5,"low":null,"high":null,"kind":"point","display":"5","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"5"},{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 5"}]},{"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":1.9,"low":1.3,"high":1.9,"kind":"range","display":"1.3–1.9","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"Range of Ratios: 1.3 – 1.9"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":null,"statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"Lowest Ratio (RAA) = 1.3"},{"value":1.9,"low":1.3,"high":1.9,"kind":"range","display":"1.3–1.9","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"Range of Ratios: 1.3 – 1.9"}]},{"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":0.4,"low":0.03,"high":0.4,"kind":"range","display":"0.03–0.4","units":"NTU","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.03 - 0.4"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"NTU","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"0"},{"value":0.4,"low":0.03,"high":0.4,"kind":"range","display":"0.03–0.4","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"0.03 - 0.4"}]},{"analyteId":"tcp123","name":"1,2,3-TCP","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"96-18-4","whatItIs":null,"whyItMatters":null,"measured":{"value":20,"low":null,"high":null,"kind":"point","display":"20","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":false,"detectionLimit":null,"rawVerbatim":"20"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":20,"low":null,"high":null,"kind":"point","display":"20","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"20"},{"value":20,"low":10,"high":20,"kind":"range","display":"10–20","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"10 - 20"}]},{"analyteId":"dbcp","name":"DBCP","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"96-12-8","whatItIs":"1,2-dibromo-3-chloropropane — a banned soil fumigant pesticide.","whyItMatters":"A probable human carcinogen; long-term exposure above the federal limit can cause reproductive harm.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":true,"detectionLimit":2,"rawVerbatim":"<2"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"<2"}]},{"analyteId":"ethylene_dibromide","name":"Ethylene dibromide","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"106-93-4","whatItIs":null,"whyItMatters":null,"measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","censored":true,"detectionLimit":2,"rawVerbatim":"<2"},"federalStandard":{"type":"MCL","value":5000000,"units":"ng/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"max","samplingContext":"plant:Maximum Detected Level","rawVerbatim":"<2"}]}]}}