{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-07-09T23:51:16.206Z"},"system":{"slug":"metro__036__atlanta","name":"Atlanta","state":"GA","year":2024,"url":"https://www.thewatermap.com/water/ga/atlanta/2024","apiUrl":"https://www.thewatermap.com/api/water/ga/atlanta/2024","markdownUrl":"https://www.thewatermap.com/water/ga/atlanta/2024/llms.txt","coordinates":{"latitude":33.7544657,"longitude":-84.3898151},"contaminantsMeasured":14,"contaminantsWithFederalLimit":5,"contaminantsAtOrAboveLimit":1,"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":"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":2.07,"low":0,"high":2.07,"kind":"range","display":"0–2.07","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":0.07,"rawVerbatim":"<0.07 - 2.07"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.07,"low":0,"high":2.07,"kind":"range","display":"0–2.07","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"<0.07 - 2.07"},{"value":1.11,"low":null,"high":null,"kind":"point","display":"1.11","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1.11"}]}]},{"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":42,"low":15.4,"high":42,"kind":"range","display":"15.4–42","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"15.4 - 42.0"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":42,"low":15.4,"high":42,"kind":"range","display":"15.4–42","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"15.4 - 42.0"},{"value":39.8,"low":null,"high":null,"kind":"point","display":"39.8","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"39.8"}]},{"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":95.8,"low":14.4,"high":95.8,"kind":"range","display":"14.4–95.8","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"14.4 - 95.8"},"federalStandard":null,"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":95.8,"low":14.4,"high":95.8,"kind":"range","display":"14.4–95.8","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"14.4 - 95.8"},{"value":78,"low":null,"high":null,"kind":"point","display":"78","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"78"}]}]},{"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":0.82,"low":0.49,"high":0.82,"kind":"range","display":"0.49–0.82","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.49 - 0.82"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.82,"low":0.49,"high":0.82,"kind":"range","display":"0.49–0.82","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.49 - 0.82"},{"value":0.73,"low":null,"high":null,"kind":"point","display":"0.73","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.73"}]}]},{"family":"metal","familyLabel":"Metals","contaminants":[{"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":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.14"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":90,"low":null,"high":null,"kind":"point","display":"90","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Result Description","rawVerbatim":"90th Percentile"},{"value":0.4,"low":0.0011,"high":0.4,"kind":"range","display":"0.0011–0.4","units":"mg/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"0.0011 - 0.4"},{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.14"}]},{"analyteId":"lead","name":"Lead","family":"metal","familyLabel":"Metals","casrn":null,"whatItIs":"A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.","whyItMatters":"There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.","measured":{"value":0.0014,"low":null,"high":null,"kind":"point","display":"0.0014","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"lead 90th-percentile 0.0014 mg/L (EPA SDWIS LCR, 1 round(s), 2024)"},"federalStandard":{"type":"AL","value":0.015,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.0014,"low":null,"high":null,"kind":"point","display":"0.0014","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"lead 90th-percentile 0.0014 mg/L (EPA SDWIS LCR, 1 round(s), 2024)"}]}]},{"family":"microbial","familyLabel":"Microbial","contaminants":[{"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":0.7,"low":0,"high":0.7,"kind":"range","display":"0–0.7","units":"%","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0 - 0.7%"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.7,"low":0,"high":0.7,"kind":"range","display":"0–0.7","units":"%","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 0.7%"},{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"%","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.7%"}]}]},{"family":"other","familyLabel":"Other","contaminants":[{"analyteId":"nitrate_nitrite","name":"Nitrate Nitrite","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":1.1,"low":0.71,"high":1.1,"kind":"range","display":"0.71–1.1","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.71 - 1.10"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.1,"low":0.71,"high":1.1,"kind":"range","display":"0.71–1.1","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.71 - 1.10"},{"value":0.97,"low":null,"high":null,"kind":"point","display":"0.97","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.97"}]}]},{"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":4.6,"low":3,"high":4.6,"kind":"range","display":"3–4.6","units":"ng/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.0030 - 0.0046"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4.6,"low":3,"high":4.6,"kind":"range","display":"3–4.6","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.0030 - 0.0046"},{"value":4.6,"low":null,"high":null,"kind":"point","display":"4.6","units":"ng/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.0046"}]},{"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":4.6,"low":3,"high":4.6,"kind":"range","display":"3–4.6","units":"ng/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.0030 - 0.0046"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4.6,"low":3,"high":4.6,"kind":"range","display":"3–4.6","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.0030 - 0.0046"},{"value":4.6,"low":null,"high":null,"kind":"point","display":"4.6","units":"ng/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.0046"}]},{"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":4.8,"low":3.3,"high":4.8,"kind":"range","display":"3.3–4.8","units":"ng/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.0033 - 0.0048"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4.8,"low":3.3,"high":4.8,"kind":"range","display":"3.3–4.8","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.0033 - 0.0048"},{"value":4.8,"low":null,"high":null,"kind":"point","display":"4.8","units":"ng/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.0048"}]},{"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":8.3,"low":6.4,"high":8.3,"kind":"range","display":"6.4–8.3","units":"ng/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.0064 - 0.0083"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":8.3,"low":6.4,"high":8.3,"kind":"range","display":"6.4–8.3","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.0064 - 0.0083"},{"value":8.3,"low":null,"high":null,"kind":"point","display":"8.3","units":"ng/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.0083"}]}]},{"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":1.8,"low":1.1,"high":1.8,"kind":"range","display":"1.1–1.8","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1.1 - 1.8"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.8,"low":1.1,"high":1.8,"kind":"range","display":"1.1–1.8","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"1.1 - 1.8"},{"value":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1.4"}]},{"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":0.6,"low":0.01,"high":0.6,"kind":"range","display":"0.01–0.6","units":"NTU","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.01 - 0.60"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.6,"low":0.01,"high":0.6,"kind":"range","display":"0.01–0.6","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"0.01 - 0.60"},{"value":0.09,"low":null,"high":null,"kind":"point","display":"0.09","units":"NTU","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.09"}]}]}],"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":2.07,"low":0,"high":2.07,"kind":"range","display":"0–2.07","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":0.07,"rawVerbatim":"<0.07 - 2.07"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.07,"low":0,"high":2.07,"kind":"range","display":"0–2.07","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"<0.07 - 2.07"},{"value":1.11,"low":null,"high":null,"kind":"point","display":"1.11","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1.11"}]},{"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":42,"low":15.4,"high":42,"kind":"range","display":"15.4–42","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"15.4 - 42.0"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":42,"low":15.4,"high":42,"kind":"range","display":"15.4–42","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"15.4 - 42.0"},{"value":39.8,"low":null,"high":null,"kind":"point","display":"39.8","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"39.8"}]},{"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":95.8,"low":14.4,"high":95.8,"kind":"range","display":"14.4–95.8","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"14.4 - 95.8"},"federalStandard":null,"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":95.8,"low":14.4,"high":95.8,"kind":"range","display":"14.4–95.8","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"14.4 - 95.8"},{"value":78,"low":null,"high":null,"kind":"point","display":"78","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"78"}]},{"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":0.82,"low":0.49,"high":0.82,"kind":"range","display":"0.49–0.82","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.49 - 0.82"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.82,"low":0.49,"high":0.82,"kind":"range","display":"0.49–0.82","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.49 - 0.82"},{"value":0.73,"low":null,"high":null,"kind":"point","display":"0.73","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.73"}]},{"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":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.14"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":90,"low":null,"high":null,"kind":"point","display":"90","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Result Description","rawVerbatim":"90th Percentile"},{"value":0.4,"low":0.0011,"high":0.4,"kind":"range","display":"0.0011–0.4","units":"mg/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"0.0011 - 0.4"},{"value":0.14,"low":null,"high":null,"kind":"point","display":"0.14","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.14"}]},{"analyteId":"lead","name":"Lead","family":"metal","familyLabel":"Metals","casrn":null,"whatItIs":"A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.","whyItMatters":"There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.","measured":{"value":0.0014,"low":null,"high":null,"kind":"point","display":"0.0014","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"lead 90th-percentile 0.0014 mg/L (EPA SDWIS LCR, 1 round(s), 2024)"},"federalStandard":{"type":"AL","value":0.015,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.0014,"low":null,"high":null,"kind":"point","display":"0.0014","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"lead 90th-percentile 0.0014 mg/L (EPA SDWIS LCR, 1 round(s), 2024)"}]},{"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":0.7,"low":0,"high":0.7,"kind":"range","display":"0–0.7","units":"%","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0 - 0.7%"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.7,"low":0,"high":0.7,"kind":"range","display":"0–0.7","units":"%","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 0.7%"},{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"%","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.7%"}]},{"analyteId":"nitrate_nitrite","name":"Nitrate Nitrite","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":1.1,"low":0.71,"high":1.1,"kind":"range","display":"0.71–1.1","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.71 - 1.10"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.1,"low":0.71,"high":1.1,"kind":"range","display":"0.71–1.1","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.71 - 1.10"},{"value":0.97,"low":null,"high":null,"kind":"point","display":"0.97","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.97"}]},{"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":4.6,"low":3,"high":4.6,"kind":"range","display":"3–4.6","units":"ng/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.0030 - 0.0046"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4.6,"low":3,"high":4.6,"kind":"range","display":"3–4.6","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.0030 - 0.0046"},{"value":4.6,"low":null,"high":null,"kind":"point","display":"4.6","units":"ng/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.0046"}]},{"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":4.6,"low":3,"high":4.6,"kind":"range","display":"3–4.6","units":"ng/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.0030 - 0.0046"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4.6,"low":3,"high":4.6,"kind":"range","display":"3–4.6","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.0030 - 0.0046"},{"value":4.6,"low":null,"high":null,"kind":"point","display":"4.6","units":"ng/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.0046"}]},{"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":4.8,"low":3.3,"high":4.8,"kind":"range","display":"3.3–4.8","units":"ng/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.0033 - 0.0048"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":4.8,"low":3.3,"high":4.8,"kind":"range","display":"3.3–4.8","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.0033 - 0.0048"},{"value":4.8,"low":null,"high":null,"kind":"point","display":"4.8","units":"ng/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.0048"}]},{"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":8.3,"low":6.4,"high":8.3,"kind":"range","display":"6.4–8.3","units":"ng/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.0064 - 0.0083"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":8.3,"low":6.4,"high":8.3,"kind":"range","display":"6.4–8.3","units":"ng/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.0064 - 0.0083"},{"value":8.3,"low":null,"high":null,"kind":"point","display":"8.3","units":"ng/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.0083"}]},{"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":1.8,"low":1.1,"high":1.8,"kind":"range","display":"1.1–1.8","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1.1 - 1.8"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.8,"low":1.1,"high":1.8,"kind":"range","display":"1.1–1.8","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"1.1 - 1.8"},{"value":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1.4"}]},{"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":0.6,"low":0.01,"high":0.6,"kind":"range","display":"0.01–0.6","units":"NTU","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.01 - 0.60"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.6,"low":0.01,"high":0.6,"kind":"range","display":"0.01–0.6","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"0.01 - 0.60"},{"value":0.09,"low":null,"high":null,"kind":"point","display":"0.09","units":"NTU","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.09"}]}]}}