{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-05-25T20:12:36.909Z"},"system":{"slug":"metro__186__elizabeth","name":"Elizabeth","state":"NJ","year":2024,"url":"https://www.thewatermap.com/water/nj/elizabeth/2024","apiUrl":"https://www.thewatermap.com/api/water/nj/elizabeth/2024","markdownUrl":"https://www.thewatermap.com/water/nj/elizabeth/2024/llms.txt","coordinates":{"latitude":40.6639916,"longitude":-74.2107006},"contaminantsMeasured":20,"contaminantsWithFederalLimit":15,"contaminantsAtOrAboveLimit":0,"contaminantsApproachingLimit":0,"source":{"type":"Consumer Confidence Report (CCR)","description":"Figures are transcribed from the water utility's own annual Consumer Confidence Report, cross-checked by a second model, and approved by a person before publishing."},"families":[{"family":"disinfectant","familyLabel":"Disinfectants","contaminants":[{"analyteId":"chloramine","name":"Chloramine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A longer-lasting disinfectant made by combining chlorine with ammonia.","whyItMatters":"Holds disinfection further into the pipe network, but is regulated under the same residual-disinfectant cap as chlorine.","measured":{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1.1 2"},"federalStandard":{"type":"MRDLG","value":4,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.3,"low":null,"high":null,"kind":"point","display":"0.3","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"0.3 to 3"},{"value":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"0.04 to 3.7"},{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1.1 2"},{"value":0.3,"low":null,"high":null,"kind":"point","display":"0.3","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.3 1"}]}]},{"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":7,"low":null,"high":null,"kind":"point","display":"7","units":"ug/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"7"},"federalStandard":{"type":"MCL","value":10,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":7,"low":null,"high":null,"kind":"point","display":"7","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"7"},{"value":7,"low":null,"high":null,"kind":"point","display":"7","units":"ug/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 7"}]}]},{"family":"inorganic","familyLabel":"Inorganic chemicals","contaminants":[{"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":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":{"type":"MCLG","value":10,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"1 to 2"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"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":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.02"},"federalStandard":{"type":"MCL","value":0.2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.02"},{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 0.02"}]},{"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":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.01"},"federalStandard":{"type":"MCLG","value":2,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.01"},{"value":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 0.01"}]},{"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":0.3,"low":null,"high":null,"kind":"point","display":"0.3","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.3"},"federalStandard":{"type":"MCLG","value":1.3,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":54,"low":null,"high":null,"kind":"point","display":"54","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:No. of Homes Sampled","rawVerbatim":"54"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Homes Above Action Level","rawVerbatim":"0"},{"value":0.3,"low":null,"high":null,"kind":"point","display":"0.3","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.3"},{"value":0.48,"low":null,"high":null,"kind":"point","display":"0.48","units":"mg/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"ND to 0.48"}]},{"analyteId":"iron","name":"Iron","family":"metal","familyLabel":"Metals","casrn":"7439-89-6","whatItIs":"A naturally occurring metal common in groundwater.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; causes rusty color, staining, and metallic taste.","measured":{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","censored":false,"detectionLimit":null,"rawVerbatim":"ND to 0.02"},"federalStandard":{"type":"MCL","value":0.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 0.02"},{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.02"}]},{"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":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":{"type":"MCLG","value":0,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Homes Above Action Level","rawVerbatim":"0"},{"value":54,"low":null,"high":null,"kind":"point","display":"54","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:No. of Homes Sampled","rawVerbatim":"54"},{"value":13,"low":null,"high":null,"kind":"point","display":"13","units":"ug/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"ND to 13"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"2"}]},{"analyteId":"manganese","name":"Manganese","family":"metal","familyLabel":"Metals","casrn":"7439-96-5","whatItIs":"A naturally occurring metal from soil and rock.","whyItMatters":"No enforceable federal limit; high levels stain fixtures and laundry and can affect taste, with a health advisory for infants.","measured":{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.02"},"federalStandard":{"type":"MCL","value":0.05,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.02"},{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 0.02"}]},{"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":39,"low":null,"high":null,"kind":"point","display":"39","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"39"},"federalStandard":{"type":"MCL","value":50,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":32,"low":null,"high":null,"kind":"point","display":"32","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"32 to 39"},{"value":39,"low":null,"high":null,"kind":"point","display":"39","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"39"}]}]},{"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":2.1,"low":null,"high":null,"kind":"point","display":"2.1","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.1"},"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":"range","samplingContext":"system","rawVerbatim":"2.0 to 2.2"},{"value":2.1,"low":null,"high":null,"kind":"point","display":"2.1","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"2.1"}]},{"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":3.9,"low":null,"high":null,"kind":"point","display":"3.9","units":"ng/L","statisticType":"average","samplingContext":"system","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":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"3.9"},{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"3.7 to 4.1"}]},{"analyteId":"pfpea","name":"Perfluoropentanoic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"2706-90-3","whatItIs":"Perfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent in the environment.","measured":{"value":1.8,"low":null,"high":null,"kind":"point","display":"1.8","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1.8"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.8,"low":null,"high":null,"kind":"point","display":"1.8","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"1.8"},{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND to 3.7"}]},{"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":7,"low":null,"high":null,"kind":"point","display":"7","units":"ng/L","statisticType":"range","samplingContext":"plant:Range Detected","censored":false,"detectionLimit":null,"rawVerbatim":"ND to 7"},"federalStandard":{"type":"MCL","value":14,"units":"ng/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":7,"low":null,"high":null,"kind":"point","display":"7","units":"ng/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 7"},{"value":7,"low":null,"high":null,"kind":"point","display":"7","units":"ng/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"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":5,"low":null,"high":null,"kind":"point","display":"5","units":"ng/L","statisticType":"max_single","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"5"},"federalStandard":{"type":"MCL","value":13,"units":"ng/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5,"low":null,"high":null,"kind":"point","display":"5","units":"ng/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"5"},{"value":5,"low":null,"high":null,"kind":"point","display":"5","units":"ng/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 5"}]}]},{"family":"physical_aggregate","familyLabel":"Physical & aggregate","contaminants":[{"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":143,"low":null,"high":null,"kind":"point","display":"143","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"143"},"federalStandard":{"type":"MCL","value":250,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":53,"low":null,"high":null,"kind":"point","display":"53","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"53 to 143"},{"value":143,"low":null,"high":null,"kind":"point","display":"143","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"143"}]},{"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":1.2,"low":null,"high":null,"kind":"point","display":"1.2","units":"mg/L","statisticType":"running_annual_avg","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1.2"},"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":"mg/L","statisticType":"range","samplingContext":"plant:of Monthly Ratios","rawVerbatim":"1.1 to 2.3"},{"value":1.2,"low":null,"high":null,"kind":"point","display":"1.2","units":"mg/L","statisticType":"running_annual_avg","samplingContext":"system","rawVerbatim":"1.2"}]},{"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":null,"high":null,"kind":"point","display":"0.4","units":"NTU","statisticType":"max_single","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.4"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.4,"low":null,"high":null,"kind":"point","display":"0.4","units":"NTU","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.4"},{"value":0.4,"low":null,"high":null,"kind":"point","display":"0.4","units":"NTU","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.4"}]}]},{"family":"radionuclide","familyLabel":"Radionuclides","contaminants":[{"analyteId":"combined_radium","name":"Combined Radium","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Combined radium-226 and radium-228 — naturally occurring radioactive elements.","whyItMatters":"Long-term exposure above the federal limit increases the risk of bone cancer.","measured":{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":{"type":"MCLG","value":0,"units":"pCi/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"pCi/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 1"}]}]},{"family":"voc_pesticide","familyLabel":"VOCs & pesticides","contaminants":[{"analyteId":"tcp123","name":"1,2,3-TCP","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"96-18-4","whatItIs":null,"whyItMatters":null,"measured":{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"ug/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.02"},"federalStandard":{"type":"MCLG","value":0.03,"units":"ug/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.02"},{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"ug/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 0.02"}]}]}],"contaminants":[{"analyteId":"chloramine","name":"Chloramine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A longer-lasting disinfectant made by combining chlorine with ammonia.","whyItMatters":"Holds disinfection further into the pipe network, but is regulated under the same residual-disinfectant cap as chlorine.","measured":{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1.1 2"},"federalStandard":{"type":"MRDLG","value":4,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.3,"low":null,"high":null,"kind":"point","display":"0.3","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"0.3 to 3"},{"value":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"0.04 to 3.7"},{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1.1 2"},{"value":0.3,"low":null,"high":null,"kind":"point","display":"0.3","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.3 1"}]},{"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":7,"low":null,"high":null,"kind":"point","display":"7","units":"ug/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"7"},"federalStandard":{"type":"MCL","value":10,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":7,"low":null,"high":null,"kind":"point","display":"7","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"7"},{"value":7,"low":null,"high":null,"kind":"point","display":"7","units":"ug/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 7"}]},{"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":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":{"type":"MCLG","value":10,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"1 to 2"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"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":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.02"},"federalStandard":{"type":"MCL","value":0.2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.02"},{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 0.02"}]},{"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":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.01"},"federalStandard":{"type":"MCLG","value":2,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.01"},{"value":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 0.01"}]},{"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":0.3,"low":null,"high":null,"kind":"point","display":"0.3","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.3"},"federalStandard":{"type":"MCLG","value":1.3,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":54,"low":null,"high":null,"kind":"point","display":"54","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:No. of Homes Sampled","rawVerbatim":"54"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Homes Above Action Level","rawVerbatim":"0"},{"value":0.3,"low":null,"high":null,"kind":"point","display":"0.3","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.3"},{"value":0.48,"low":null,"high":null,"kind":"point","display":"0.48","units":"mg/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"ND to 0.48"}]},{"analyteId":"iron","name":"Iron","family":"metal","familyLabel":"Metals","casrn":"7439-89-6","whatItIs":"A naturally occurring metal common in groundwater.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; causes rusty color, staining, and metallic taste.","measured":{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","censored":false,"detectionLimit":null,"rawVerbatim":"ND to 0.02"},"federalStandard":{"type":"MCL","value":0.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 0.02"},{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.02"}]},{"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":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"2"},"federalStandard":{"type":"MCLG","value":0,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Homes Above Action Level","rawVerbatim":"0"},{"value":54,"low":null,"high":null,"kind":"point","display":"54","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:No. of Homes Sampled","rawVerbatim":"54"},{"value":13,"low":null,"high":null,"kind":"point","display":"13","units":"ug/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"ND to 13"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"2"}]},{"analyteId":"manganese","name":"Manganese","family":"metal","familyLabel":"Metals","casrn":"7439-96-5","whatItIs":"A naturally occurring metal from soil and rock.","whyItMatters":"No enforceable federal limit; high levels stain fixtures and laundry and can affect taste, with a health advisory for infants.","measured":{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.02"},"federalStandard":{"type":"MCL","value":0.05,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.02"},{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 0.02"}]},{"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":39,"low":null,"high":null,"kind":"point","display":"39","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"39"},"federalStandard":{"type":"MCL","value":50,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":32,"low":null,"high":null,"kind":"point","display":"32","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"32 to 39"},{"value":39,"low":null,"high":null,"kind":"point","display":"39","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"39"}]},{"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":2.1,"low":null,"high":null,"kind":"point","display":"2.1","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.1"},"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":"range","samplingContext":"system","rawVerbatim":"2.0 to 2.2"},{"value":2.1,"low":null,"high":null,"kind":"point","display":"2.1","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"2.1"}]},{"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":3.9,"low":null,"high":null,"kind":"point","display":"3.9","units":"ng/L","statisticType":"average","samplingContext":"system","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":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"3.9"},{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"3.7 to 4.1"}]},{"analyteId":"pfpea","name":"Perfluoropentanoic acid","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"2706-90-3","whatItIs":"Perfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent in the environment.","measured":{"value":1.8,"low":null,"high":null,"kind":"point","display":"1.8","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1.8"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.8,"low":null,"high":null,"kind":"point","display":"1.8","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"1.8"},{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND to 3.7"}]},{"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":7,"low":null,"high":null,"kind":"point","display":"7","units":"ng/L","statisticType":"range","samplingContext":"plant:Range Detected","censored":false,"detectionLimit":null,"rawVerbatim":"ND to 7"},"federalStandard":{"type":"MCL","value":14,"units":"ng/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":7,"low":null,"high":null,"kind":"point","display":"7","units":"ng/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 7"},{"value":7,"low":null,"high":null,"kind":"point","display":"7","units":"ng/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"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":5,"low":null,"high":null,"kind":"point","display":"5","units":"ng/L","statisticType":"max_single","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"5"},"federalStandard":{"type":"MCL","value":13,"units":"ng/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5,"low":null,"high":null,"kind":"point","display":"5","units":"ng/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"5"},{"value":5,"low":null,"high":null,"kind":"point","display":"5","units":"ng/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 5"}]},{"analyteId":"hardness","name":"Hardness","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of dissolved calcium and magnesium minerals.","whyItMatters":"Not federally regulated for health; affects scaling, soap use, and taste.","measured":{"value":143,"low":null,"high":null,"kind":"point","display":"143","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"143"},"federalStandard":{"type":"MCL","value":250,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":53,"low":null,"high":null,"kind":"point","display":"53","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"53 to 143"},{"value":143,"low":null,"high":null,"kind":"point","display":"143","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"143"}]},{"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":1.2,"low":null,"high":null,"kind":"point","display":"1.2","units":"mg/L","statisticType":"running_annual_avg","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1.2"},"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":"mg/L","statisticType":"range","samplingContext":"plant:of Monthly Ratios","rawVerbatim":"1.1 to 2.3"},{"value":1.2,"low":null,"high":null,"kind":"point","display":"1.2","units":"mg/L","statisticType":"running_annual_avg","samplingContext":"system","rawVerbatim":"1.2"}]},{"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":null,"high":null,"kind":"point","display":"0.4","units":"NTU","statisticType":"max_single","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.4"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.4,"low":null,"high":null,"kind":"point","display":"0.4","units":"NTU","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.4"},{"value":0.4,"low":null,"high":null,"kind":"point","display":"0.4","units":"NTU","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.4"}]},{"analyteId":"combined_radium","name":"Combined Radium","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Combined radium-226 and radium-228 — naturally occurring radioactive elements.","whyItMatters":"Long-term exposure above the federal limit increases the risk of bone cancer.","measured":{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":{"type":"MCLG","value":0,"units":"pCi/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"pCi/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 1"}]},{"analyteId":"tcp123","name":"1,2,3-TCP","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"96-18-4","whatItIs":null,"whyItMatters":null,"measured":{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"ug/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.02"},"federalStandard":{"type":"MCLG","value":0.03,"units":"ug/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.02"},{"value":0.02,"low":null,"high":null,"kind":"point","display":"0.02","units":"ug/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"ND to 0.02"}]}]}}