{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-05-25T20:03:39.985Z"},"system":{"slug":"metro__266__san-angelo","name":"San Angelo","state":"TX","year":2024,"url":"https://www.thewatermap.com/water/tx/san-angelo/2024","apiUrl":"https://www.thewatermap.com/api/water/tx/san-angelo/2024","markdownUrl":"https://www.thewatermap.com/water/tx/san-angelo/2024/llms.txt","coordinates":{"latitude":31.4649685,"longitude":-100.4405094},"contaminantsMeasured":18,"contaminantsWithFederalLimit":10,"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":3,"low":null,"high":null,"kind":"point","display":"3","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3.00"},"federalStandard":{"type":"MRDL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5.8,"low":0.52,"high":5.8,"kind":"range","display":"0.52–5.8","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.52 – 5.8"},{"value":3,"low":null,"high":null,"kind":"point","display":"3","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"3.00"}]}]},{"family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","contaminants":[{"analyteId":"haa5","name":"HAA5","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.","whyItMatters":"Long-term exposure above the federal limit is associated with an increased cancer risk.","measured":{"value":37.1,"low":13,"high":37.1,"kind":"range","display":"13–37.1","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","censored":false,"detectionLimit":null,"rawVerbatim":"13 - 37.1"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":32,"low":null,"high":null,"kind":"point","display":"32","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"32"},{"value":37.1,"low":13,"high":37.1,"kind":"range","display":"13–37.1","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"13 - 37.1"}]},{"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":110,"low":66.9,"high":110,"kind":"range","display":"66.9–110","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","censored":false,"detectionLimit":null,"rawVerbatim":"66.9 - 110"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":110,"low":66.9,"high":110,"kind":"range","display":"66.9–110","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"66.9 - 110"},{"value":86,"low":null,"high":null,"kind":"point","display":"86","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"86"}]}]},{"family":"inorganic","familyLabel":"Inorganic chemicals","contaminants":[{"analyteId":"cyanide","name":"Cyanide","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"57-12-5","whatItIs":null,"whyItMatters":null,"measured":{"value":84.2,"low":84.2,"high":84.2,"kind":"range","display":"84.2–84.2","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","censored":false,"detectionLimit":null,"rawVerbatim":"84.2 - 84.2"},"federalStandard":{"type":"MCLG","value":200,"units":"ug/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":84.2,"low":84.2,"high":84.2,"kind":"range","display":"84.2–84.2","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"84.2 - 84.2"},{"value":84.2,"low":null,"high":null,"kind":"point","display":"84.2","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"84.2"}]},{"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":0.333,"low":0.333,"high":0.333,"kind":"range","display":"0.333–0.333","units":"mg/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","censored":false,"detectionLimit":null,"rawVerbatim":"0.333 - 0.333"},"federalStandard":{"type":"MCLG","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":"reported_level","samplingContext":"system","rawVerbatim":"0.3"},{"value":0.333,"low":0.333,"high":0.333,"kind":"range","display":"0.333–0.333","units":"mg/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"0.333 - 0.333"}]},{"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":0.426,"low":null,"high":null,"kind":"point","display":"0.426","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.426"},"federalStandard":{"type":"MCLG","value":10,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.426,"low":null,"high":null,"kind":"point","display":"0.426","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.426"},{"value":0.426,"low":0.426,"high":0.426,"kind":"range","display":"0.426–0.426","units":"mg/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"0.426 - 0.426"}]}]},{"family":"metal","familyLabel":"Metals","contaminants":[{"analyteId":"arsenic","name":"Arsenic","family":"metal","familyLabel":"Metals","casrn":"7440-38-2","whatItIs":"A naturally occurring element that also enters water from industry and agriculture.","whyItMatters":"A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.","measured":{"value":2,"low":2,"high":2,"kind":"range","display":"2–2","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","censored":false,"detectionLimit":null,"rawVerbatim":"2 - 2"},"federalStandard":{"type":"MCLG","value":0,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2,"low":2,"high":2,"kind":"range","display":"2–2","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"2 - 2"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"2"}]},{"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":0.22,"low":null,"high":null,"kind":"point","display":"0.22","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.22"},"federalStandard":{"type":"MCLG","value":2,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.22,"low":null,"high":null,"kind":"point","display":"0.22","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.22"},{"value":0.22,"low":0.22,"high":0.22,"kind":"range","display":"0.22–0.22","units":"mg/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"0.22 - 0.22"}]},{"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":0.132,"low":null,"high":null,"kind":"point","display":"0.132","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.132"},"federalStandard":{"type":"MCLG","value":1.3,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.132,"low":null,"high":null,"kind":"point","display":"0.132","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.132"}]},{"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":3.95,"low":null,"high":null,"kind":"point","display":"3.95","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"3.95"},"federalStandard":{"type":"MCLG","value":0,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.95,"low":null,"high":null,"kind":"point","display":"3.95","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"3.95"}]},{"analyteId":"lithium","name":"Lithium","family":"metal","familyLabel":"Metals","casrn":"7439-93-2","whatItIs":"A naturally occurring element found in some groundwater.","whyItMatters":"No enforceable federal limit; on the EPA contaminant candidate list for further study.","measured":{"value":47,"low":null,"high":null,"kind":"point","display":"47","units":"ug/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"47.0"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":47,"low":null,"high":null,"kind":"point","display":"47","units":"ug/L","statisticType":"average","samplingContext":"system","rawVerbatim":"47.0"},{"value":42.9,"low":null,"high":null,"kind":"point","display":"42.9","units":"ug/L","statisticType":"min","samplingContext":"system","rawVerbatim":"42.90"},{"value":50.1,"low":null,"high":null,"kind":"point","display":"50.1","units":"ug/L","statisticType":"max","samplingContext":"system","rawVerbatim":"50.10"}]}]},{"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":7.3,"low":null,"high":null,"kind":"point","display":"7.3","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"7.30"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":8.4,"low":null,"high":null,"kind":"point","display":"8.4","units":"ng/L","statisticType":"max","samplingContext":"system","rawVerbatim":"8.40"},{"value":6.78,"low":null,"high":null,"kind":"point","display":"6.78","units":"ng/L","statisticType":"min","samplingContext":"system","rawVerbatim":"6.78"},{"value":7.3,"low":null,"high":null,"kind":"point","display":"7.3","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"7.30"}]},{"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":8.6,"low":null,"high":null,"kind":"point","display":"8.6","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"8.60"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":7.88,"low":null,"high":null,"kind":"point","display":"7.88","units":"ng/L","statisticType":"min","samplingContext":"system","rawVerbatim":"7.88"},{"value":8.6,"low":null,"high":null,"kind":"point","display":"8.6","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"8.60"},{"value":9.67,"low":null,"high":null,"kind":"point","display":"9.67","units":"ng/L","statisticType":"max","samplingContext":"system","rawVerbatim":"9.67"}]},{"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":3.96,"low":null,"high":null,"kind":"point","display":"3.96","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3.96"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.96,"low":null,"high":null,"kind":"point","display":"3.96","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"3.96"},{"value":3.96,"low":null,"high":null,"kind":"point","display":"3.96","units":"ng/L","statisticType":"max","samplingContext":"system","rawVerbatim":"3.96"},{"value":3.96,"low":null,"high":null,"kind":"point","display":"3.96","units":"ng/L","statisticType":"min","samplingContext":"system","rawVerbatim":"3.96"}]},{"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":2.96,"low":null,"high":null,"kind":"point","display":"2.96","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.96"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.96,"low":null,"high":null,"kind":"point","display":"2.96","units":"ng/L","statisticType":"max","samplingContext":"system","rawVerbatim":"2.96"},{"value":2.96,"low":null,"high":null,"kind":"point","display":"2.96","units":"ng/L","statisticType":"min","samplingContext":"system","rawVerbatim":"2.96"},{"value":2.96,"low":null,"high":null,"kind":"point","display":"2.96","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"2.96"}]},{"analyteId":"pfba","name":"PFBA","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"375-22-4","whatItIs":"Perfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent in the environment and the human body.","measured":{"value":7.8,"low":null,"high":null,"kind":"point","display":"7.8","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"7.80"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":7.8,"low":null,"high":null,"kind":"point","display":"7.8","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"7.80"},{"value":6.39,"low":null,"high":null,"kind":"point","display":"6.39","units":"ng/L","statisticType":"min","samplingContext":"system","rawVerbatim":"6.39"},{"value":10.2,"low":null,"high":null,"kind":"point","display":"10.2","units":"ng/L","statisticType":"max","samplingContext":"system","rawVerbatim":"10.20"}]}]},{"family":"radionuclide","familyLabel":"Radionuclides","contaminants":[{"analyteId":"gross_beta","name":"Gross Beta Particle Activity","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Gross beta particle activity — a combined measure of beta-emitting radioactive substances.","whyItMatters":"Long-term exposure above the federal screening level increases cancer risk.","measured":{"value":11.8,"low":11.8,"high":11.8,"kind":"range","display":"11.8–11.8","units":"pCi/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","censored":false,"detectionLimit":null,"rawVerbatim":"11.8 - 11.8"},"federalStandard":{"type":"MCLG","value":0,"units":"pCi/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":11.8,"low":11.8,"high":11.8,"kind":"range","display":"11.8–11.8","units":"pCi/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"11.8 - 11.8"},{"value":11.8,"low":null,"high":null,"kind":"point","display":"11.8","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"11.8"}]},{"analyteId":"uranium","name":"Uranium","family":"radionuclide","familyLabel":"Radionuclides","casrn":"7440-61-1","whatItIs":"A naturally occurring radioactive metal from erosion of natural deposits.","whyItMatters":"Long-term exposure above the federal limit can damage the kidneys and increase cancer risk.","measured":{"value":2.9,"low":null,"high":null,"kind":"point","display":"2.9","units":"ug/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.9"},"federalStandard":{"type":"MCLG","value":0,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.9,"low":null,"high":null,"kind":"point","display":"2.9","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"2.9"},{"value":2.9,"low":2.9,"high":2.9,"kind":"range","display":"2.9–2.9","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"2.9 - 2.9"}]}]}],"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":3,"low":null,"high":null,"kind":"point","display":"3","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3.00"},"federalStandard":{"type":"MRDL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5.8,"low":0.52,"high":5.8,"kind":"range","display":"0.52–5.8","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.52 – 5.8"},{"value":3,"low":null,"high":null,"kind":"point","display":"3","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"3.00"}]},{"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":37.1,"low":13,"high":37.1,"kind":"range","display":"13–37.1","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","censored":false,"detectionLimit":null,"rawVerbatim":"13 - 37.1"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":32,"low":null,"high":null,"kind":"point","display":"32","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"32"},{"value":37.1,"low":13,"high":37.1,"kind":"range","display":"13–37.1","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"13 - 37.1"}]},{"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":110,"low":66.9,"high":110,"kind":"range","display":"66.9–110","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","censored":false,"detectionLimit":null,"rawVerbatim":"66.9 - 110"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":110,"low":66.9,"high":110,"kind":"range","display":"66.9–110","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"66.9 - 110"},{"value":86,"low":null,"high":null,"kind":"point","display":"86","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"86"}]},{"analyteId":"cyanide","name":"Cyanide","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"57-12-5","whatItIs":null,"whyItMatters":null,"measured":{"value":84.2,"low":84.2,"high":84.2,"kind":"range","display":"84.2–84.2","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","censored":false,"detectionLimit":null,"rawVerbatim":"84.2 - 84.2"},"federalStandard":{"type":"MCLG","value":200,"units":"ug/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":84.2,"low":84.2,"high":84.2,"kind":"range","display":"84.2–84.2","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"84.2 - 84.2"},{"value":84.2,"low":null,"high":null,"kind":"point","display":"84.2","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"84.2"}]},{"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":0.333,"low":0.333,"high":0.333,"kind":"range","display":"0.333–0.333","units":"mg/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","censored":false,"detectionLimit":null,"rawVerbatim":"0.333 - 0.333"},"federalStandard":{"type":"MCLG","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":"reported_level","samplingContext":"system","rawVerbatim":"0.3"},{"value":0.333,"low":0.333,"high":0.333,"kind":"range","display":"0.333–0.333","units":"mg/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"0.333 - 0.333"}]},{"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":0.426,"low":null,"high":null,"kind":"point","display":"0.426","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.426"},"federalStandard":{"type":"MCLG","value":10,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.426,"low":null,"high":null,"kind":"point","display":"0.426","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.426"},{"value":0.426,"low":0.426,"high":0.426,"kind":"range","display":"0.426–0.426","units":"mg/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"0.426 - 0.426"}]},{"analyteId":"arsenic","name":"Arsenic","family":"metal","familyLabel":"Metals","casrn":"7440-38-2","whatItIs":"A naturally occurring element that also enters water from industry and agriculture.","whyItMatters":"A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.","measured":{"value":2,"low":2,"high":2,"kind":"range","display":"2–2","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","censored":false,"detectionLimit":null,"rawVerbatim":"2 - 2"},"federalStandard":{"type":"MCLG","value":0,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2,"low":2,"high":2,"kind":"range","display":"2–2","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"2 - 2"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"2"}]},{"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":0.22,"low":null,"high":null,"kind":"point","display":"0.22","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.22"},"federalStandard":{"type":"MCLG","value":2,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.22,"low":null,"high":null,"kind":"point","display":"0.22","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.22"},{"value":0.22,"low":0.22,"high":0.22,"kind":"range","display":"0.22–0.22","units":"mg/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"0.22 - 0.22"}]},{"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":0.132,"low":null,"high":null,"kind":"point","display":"0.132","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.132"},"federalStandard":{"type":"MCLG","value":1.3,"units":"mg/L","enforceable":false},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.132,"low":null,"high":null,"kind":"point","display":"0.132","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.132"}]},{"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":3.95,"low":null,"high":null,"kind":"point","display":"3.95","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"3.95"},"federalStandard":{"type":"MCLG","value":0,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.95,"low":null,"high":null,"kind":"point","display":"3.95","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"3.95"}]},{"analyteId":"lithium","name":"Lithium","family":"metal","familyLabel":"Metals","casrn":"7439-93-2","whatItIs":"A naturally occurring element found in some groundwater.","whyItMatters":"No enforceable federal limit; on the EPA contaminant candidate list for further study.","measured":{"value":47,"low":null,"high":null,"kind":"point","display":"47","units":"ug/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"47.0"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":47,"low":null,"high":null,"kind":"point","display":"47","units":"ug/L","statisticType":"average","samplingContext":"system","rawVerbatim":"47.0"},{"value":42.9,"low":null,"high":null,"kind":"point","display":"42.9","units":"ug/L","statisticType":"min","samplingContext":"system","rawVerbatim":"42.90"},{"value":50.1,"low":null,"high":null,"kind":"point","display":"50.1","units":"ug/L","statisticType":"max","samplingContext":"system","rawVerbatim":"50.10"}]},{"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":7.3,"low":null,"high":null,"kind":"point","display":"7.3","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"7.30"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":8.4,"low":null,"high":null,"kind":"point","display":"8.4","units":"ng/L","statisticType":"max","samplingContext":"system","rawVerbatim":"8.40"},{"value":6.78,"low":null,"high":null,"kind":"point","display":"6.78","units":"ng/L","statisticType":"min","samplingContext":"system","rawVerbatim":"6.78"},{"value":7.3,"low":null,"high":null,"kind":"point","display":"7.3","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"7.30"}]},{"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":8.6,"low":null,"high":null,"kind":"point","display":"8.6","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"8.60"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":7.88,"low":null,"high":null,"kind":"point","display":"7.88","units":"ng/L","statisticType":"min","samplingContext":"system","rawVerbatim":"7.88"},{"value":8.6,"low":null,"high":null,"kind":"point","display":"8.6","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"8.60"},{"value":9.67,"low":null,"high":null,"kind":"point","display":"9.67","units":"ng/L","statisticType":"max","samplingContext":"system","rawVerbatim":"9.67"}]},{"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":3.96,"low":null,"high":null,"kind":"point","display":"3.96","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3.96"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.96,"low":null,"high":null,"kind":"point","display":"3.96","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"3.96"},{"value":3.96,"low":null,"high":null,"kind":"point","display":"3.96","units":"ng/L","statisticType":"max","samplingContext":"system","rawVerbatim":"3.96"},{"value":3.96,"low":null,"high":null,"kind":"point","display":"3.96","units":"ng/L","statisticType":"min","samplingContext":"system","rawVerbatim":"3.96"}]},{"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":2.96,"low":null,"high":null,"kind":"point","display":"2.96","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.96"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.96,"low":null,"high":null,"kind":"point","display":"2.96","units":"ng/L","statisticType":"max","samplingContext":"system","rawVerbatim":"2.96"},{"value":2.96,"low":null,"high":null,"kind":"point","display":"2.96","units":"ng/L","statisticType":"min","samplingContext":"system","rawVerbatim":"2.96"},{"value":2.96,"low":null,"high":null,"kind":"point","display":"2.96","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"2.96"}]},{"analyteId":"pfba","name":"PFBA","family":"pfas","familyLabel":"PFAS (\"forever chemicals\")","casrn":"375-22-4","whatItIs":"Perfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.'","whyItMatters":"Monitored under EPA rules; persistent in the environment and the human body.","measured":{"value":7.8,"low":null,"high":null,"kind":"point","display":"7.8","units":"ng/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"7.80"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":7.8,"low":null,"high":null,"kind":"point","display":"7.8","units":"ng/L","statisticType":"average","samplingContext":"system","rawVerbatim":"7.80"},{"value":6.39,"low":null,"high":null,"kind":"point","display":"6.39","units":"ng/L","statisticType":"min","samplingContext":"system","rawVerbatim":"6.39"},{"value":10.2,"low":null,"high":null,"kind":"point","display":"10.2","units":"ng/L","statisticType":"max","samplingContext":"system","rawVerbatim":"10.20"}]},{"analyteId":"gross_beta","name":"Gross Beta Particle Activity","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Gross beta particle activity — a combined measure of beta-emitting radioactive substances.","whyItMatters":"Long-term exposure above the federal screening level increases cancer risk.","measured":{"value":11.8,"low":11.8,"high":11.8,"kind":"range","display":"11.8–11.8","units":"pCi/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","censored":false,"detectionLimit":null,"rawVerbatim":"11.8 - 11.8"},"federalStandard":{"type":"MCLG","value":0,"units":"pCi/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":11.8,"low":11.8,"high":11.8,"kind":"range","display":"11.8–11.8","units":"pCi/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"11.8 - 11.8"},{"value":11.8,"low":null,"high":null,"kind":"point","display":"11.8","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"11.8"}]},{"analyteId":"uranium","name":"Uranium","family":"radionuclide","familyLabel":"Radionuclides","casrn":"7440-61-1","whatItIs":"A naturally occurring radioactive metal from erosion of natural deposits.","whyItMatters":"Long-term exposure above the federal limit can damage the kidneys and increase cancer risk.","measured":{"value":2.9,"low":null,"high":null,"kind":"point","display":"2.9","units":"ug/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.9"},"federalStandard":{"type":"MCLG","value":0,"units":"ug/L","enforceable":false},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.9,"low":null,"high":null,"kind":"point","display":"2.9","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"2.9"},{"value":2.9,"low":2.9,"high":2.9,"kind":"range","display":"2.9–2.9","units":"ug/L","statisticType":"range","samplingContext":"plant:Range of Individual Samples","rawVerbatim":"2.9 - 2.9"}]}]}}