{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-05-25T20:58:31.181Z"},"system":{"slug":"metro__195__torrance","name":"Torrance","state":"CA","year":2024,"url":"https://www.thewatermap.com/water/ca/torrance/2024","apiUrl":"https://www.thewatermap.com/api/water/ca/torrance/2024","markdownUrl":"https://www.thewatermap.com/water/ca/torrance/2024/llms.txt","coordinates":{"latitude":33.8371392,"longitude":-118.3413606},"contaminantsMeasured":24,"contaminantsWithFederalLimit":22,"contaminantsAtOrAboveLimit":6,"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":2.64,"low":0.13,"high":2.64,"kind":"range","display":"0.13–2.64","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.13–2.64"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.64,"low":0.13,"high":2.64,"kind":"range","display":"0.13–2.64","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.13–2.64"},{"value":1.74,"low":null,"high":null,"kind":"point","display":"1.74","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1.74"}]}]},{"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":26.2,"low":0,"high":26.2,"kind":"range","display":"0–26.2","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–26.2"},"federalStandard":{"type":"MCL","value":60,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":14.4,"low":null,"high":null,"kind":"point","display":"14.4","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"14.4"},{"value":26.2,"low":0,"high":26.2,"kind":"range","display":"0–26.2","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–26.2"}]},{"analyteId":"tthm","name":"TTHM","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.","whyItMatters":"Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.","measured":{"value":60.1,"low":14,"high":60.1,"kind":"range","display":"14–60.1","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"14–60.1"},"federalStandard":{"type":"MCL","value":80,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":48.4,"low":null,"high":null,"kind":"point","display":"48.4","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"48.4"},{"value":60.1,"low":14,"high":60.1,"kind":"range","display":"14–60.1","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"14–60.1"}]}]},{"family":"inorganic","familyLabel":"Inorganic chemicals","contaminants":[{"analyteId":"chloride","name":"Chloride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16887-00-6","whatItIs":"A naturally occurring salt compound.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels cause a salty taste and can corrode pipes.","measured":{"value":160,"low":81,"high":160,"kind":"range","display":"81–160","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"81–160"},"federalStandard":{"type":"MCL","value":500,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":121.5,"low":null,"high":null,"kind":"point","display":"121.5","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"121.5"},{"value":105,"low":null,"high":null,"kind":"point","display":"105","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"105"},{"value":160,"low":81,"high":160,"kind":"range","display":"81–160","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"81–160"},{"value":116,"low":96,"high":116,"kind":"range","display":"96–116","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"96–116"}]},{"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":1.1,"low":0.64,"high":1.1,"kind":"range","display":"0.64–1.1","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.64–1.1"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.7"},{"value":1.1,"low":0.64,"high":1.1,"kind":"range","display":"0.64–1.1","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.64–1.1"},{"value":0.8,"low":0.3,"high":0.8,"kind":"range","display":"0.3–0.8","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.3–0.8"},{"value":0.26,"low":null,"high":null,"kind":"point","display":"0.26","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.26"},{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.7"},{"value":0.3,"low":0.23,"high":0.3,"kind":"range","display":"0.23–0.3","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.23–0.30"}]},{"analyteId":"sulfate","name":"Sulfate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14808-79-8","whatItIs":"A naturally occurring mineral from rock and soil.","whyItMatters":"No health-based federal limit; high levels can have a laxative effect and a bitter taste.","measured":{"value":340,"low":140,"high":340,"kind":"range","display":"140–340","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"140–340"},"federalStandard":{"type":"MCL","value":500,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":224.5,"low":null,"high":null,"kind":"point","display":"224.5","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"224.5"},{"value":249.7,"low":null,"high":null,"kind":"point","display":"249.7","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"249.7"},{"value":253,"low":196,"high":253,"kind":"range","display":"196–253","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"196–253"},{"value":340,"low":140,"high":340,"kind":"range","display":"140–340","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"140–340"}]}]},{"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":210,"low":0,"high":210,"kind":"range","display":"0–210","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–210"},"federalStandard":{"type":"MCL","value":200,"units":"ug/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":0.21,"low":0,"high":0.21,"kind":"range","display":"0–0.21","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–0.21"},{"value":150,"low":0,"high":150,"kind":"range","display":"0–150","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–150"},{"value":210,"low":0,"high":210,"kind":"range","display":"0–210","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–210"},{"value":42,"low":null,"high":null,"kind":"point","display":"42","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"42"},{"value":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.04"},{"value":0.46,"low":0,"high":0.46,"kind":"range","display":"0–0.46","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–0.46"},{"value":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.15"},{"value":47,"low":null,"high":null,"kind":"point","display":"47","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"47"}]},{"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":1.4,"low":0,"high":1.4,"kind":"range","display":"0–1.4","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–1.4"},"federalStandard":{"type":"MCL","value":10,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.9"},{"value":1.4,"low":0,"high":1.4,"kind":"range","display":"0–1.4","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–1.4"},{"value":0.5,"low":null,"high":null,"kind":"point","display":"0.5","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.5"}]},{"analyteId":"barium","name":"Barium","family":"metal","familyLabel":"Metals","casrn":"7440-39-3","whatItIs":"A metal from erosion of natural deposits and industrial discharge.","whyItMatters":"Long-term exposure above the federal limit can raise blood pressure.","measured":{"value":0.14,"low":0.07,"high":0.14,"kind":"range","display":"0.07–0.14","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.07–0.14"},"federalStandard":{"type":"MCL","value":1,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.14,"low":0.07,"high":0.14,"kind":"range","display":"0.07–0.14","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.07–0.14"},{"value":0.12,"low":0,"high":0.12,"kind":"range","display":"0–0.12","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–0.12"},{"value":0.1,"low":null,"high":null,"kind":"point","display":"0.1","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.1"},{"value":0.12,"low":null,"high":null,"kind":"point","display":"0.12","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.12"}]},{"analyteId":"chromium_total","name":"Chromium, Total","family":"metal","familyLabel":"Metals","casrn":"7440-47-3","whatItIs":"Total chromium — the sum of all chromium forms, from natural deposits and industrial discharge.","whyItMatters":"Long-term exposure above the federal limit can cause allergic dermatitis; includes hexavalent chromium.","measured":{"value":1.3,"low":0,"high":1.3,"kind":"range","display":"0–1.3","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–1.3"},"federalStandard":{"type":"MCL","value":50,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.3,"low":0,"high":1.3,"kind":"range","display":"0–1.3","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–1.3"},{"value":0.37,"low":null,"high":null,"kind":"point","display":"0.37","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.37"}]},{"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":0.19,"low":null,"high":null,"kind":"point","display":"0.19","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.19"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.5,"low":0,"high":0.5,"kind":"range","display":"0–0.5","units":"mg/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"ND–0.5"},{"value":0.19,"low":null,"high":null,"kind":"point","display":"0.19","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.19"}]},{"analyteId":"lead","name":"Lead","family":"metal","familyLabel":"Metals","casrn":"7439-92-1","whatItIs":"A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.","whyItMatters":"There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"AL","value":15,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":9.1,"low":0,"high":9.1,"kind":"range","display":"0–9.1","units":"ug/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"ND–9.1"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"ND"}]},{"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":58,"low":0,"high":58,"kind":"range","display":"0–58","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–58"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":58,"low":0,"high":58,"kind":"range","display":"0–58","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–58"},{"value":15.9,"low":null,"high":null,"kind":"point","display":"15.9","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"15.9"}]},{"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":58,"low":0,"high":58,"kind":"range","display":"0–58","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–58"},"federalStandard":{"type":"MCL","value":50,"units":"ug/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":58,"low":0,"high":58,"kind":"range","display":"0–58","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–58"},{"value":46.9,"low":null,"high":null,"kind":"point","display":"46.9","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"46.9"}]}]},{"family":"physical_aggregate","familyLabel":"Physical & aggregate","contaminants":[{"analyteId":"color","name":"Color","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of visible tint in the water.","whyItMatters":"Regulated only as a secondary (cosmetic) standard.","measured":{"value":8.8,"low":0,"high":8.8,"kind":"range","display":"0–8.8","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–8.8"},"federalStandard":{"type":"MCL","value":15,"units":null,"enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":8.8,"low":0,"high":8.8,"kind":"range","display":"0–8.8","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"ND–8.8"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"ND"},{"value":1.5,"low":null,"high":null,"kind":"point","display":"1.5","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1.5"},{"value":2,"low":1,"high":2,"kind":"range","display":"1–2","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1–2²"}]},{"analyteId":"odor","name":"Odor","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of detectable smell in the water.","whyItMatters":"Regulated only as a secondary (cosmetic) standard.","measured":{"value":4,"low":0,"high":4,"kind":"range","display":"0–4","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–4.0"},"federalStandard":{"type":"MCL","value":3,"units":null,"enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":0.5,"low":null,"high":null,"kind":"point","display":"0.5","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.5"},{"value":4,"low":0,"high":4,"kind":"range","display":"0–4","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"ND–4.0"},{"value":1,"low":0,"high":1,"kind":"range","display":"0–1","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"ND–1.0"},{"value":0.8,"low":null,"high":null,"kind":"point","display":"0.8","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.8"}]},{"analyteId":"specific_conductance","name":"Specific Conductance","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how well water conducts electricity, which tracks dissolved mineral content.","whyItMatters":"Not federally regulated for health; used as a proxy for total dissolved solids.","measured":{"value":1400,"low":1000,"high":1400,"kind":"range","display":"1000–1400","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1,000–1,400"},"federalStandard":{"type":"MCL","value":1,"units":null,"enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":1050,"low":null,"high":null,"kind":"point","display":"1050","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1,050"},{"value":1080,"low":880,"high":1080,"kind":"range","display":"880–1080","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"880–1,080"},{"value":1400,"low":1000,"high":1400,"kind":"range","display":"1000–1400","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1,000–1,400"},{"value":987.5,"low":null,"high":null,"kind":"point","display":"987.5","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"987.5"}]},{"analyteId":"tds","name":"Total Dissolved Solids","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"Total dissolved solids — the combined content of all dissolved minerals and salts.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels affect taste and hardness.","measured":{"value":1100,"low":170,"high":1100,"kind":"range","display":"170–1100","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"170–1,100"},"federalStandard":{"type":"MCL","value":1,"units":"mg/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":320,"low":null,"high":null,"kind":"point","display":"320","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"320"},{"value":626.5,"low":null,"high":null,"kind":"point","display":"626.5","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"626.5"},{"value":690,"low":556,"high":690,"kind":"range","display":"556–690","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"556–690"},{"value":1100,"low":170,"high":1100,"kind":"range","display":"170–1100","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"170–1,100"}]},{"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":0.9,"low":0.1,"high":0.9,"kind":"range","display":"0.1–0.9","units":"NTU","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.1–0.9"},"federalStandard":{"type":"MCL","value":5,"units":"NTU","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.9,"low":0.1,"high":0.9,"kind":"range","display":"0.1–0.9","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"0.1–0.9"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"ND"},{"value":0.3,"low":null,"high":null,"kind":"point","display":"0.3","units":"NTU","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.3"},{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"NTU","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.2"}]}]},{"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":1.69,"low":0,"high":1.69,"kind":"range","display":"0–1.69","units":"pCi/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–1.69"},"federalStandard":{"type":"MCL","value":5,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.32,"low":null,"high":null,"kind":"point","display":"0.32","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.32"},{"value":1.69,"low":0,"high":1.69,"kind":"range","display":"0–1.69","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–1.69"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"ND"}]},{"analyteId":"gross_alpha","name":"Gross Alpha","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Gross alpha particle activity — a combined measure of alpha-emitting radioactive substances.","whyItMatters":"Long-term exposure above the federal limit increases cancer risk.","measured":{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"pCi/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–5.0"},"federalStandard":{"type":"MCL","value":15,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"ND"},{"value":2.95,"low":0,"high":2.95,"kind":"range","display":"0–2.95","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–2.95"},{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–5.0"},{"value":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.04"}]},{"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":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"pCi/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–5.0†"},"federalStandard":{"type":"MCL","value":50,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–5.0†"}]},{"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":3,"low":0,"high":3,"kind":"range","display":"0–3","units":"pCi/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–3.0†"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.05,"low":null,"high":null,"kind":"point","display":"0.05","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.05†"},{"value":0.12,"low":null,"high":null,"kind":"point","display":"0.12","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.12"},{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–3.0†"},{"value":2,"low":0,"high":2,"kind":"range","display":"0–2","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–2.0"}]}]},{"family":"voc_pesticide","familyLabel":"VOCs & pesticides","contaminants":[{"analyteId":"mtbe","name":"MTBE","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"1634-04-4","whatItIs":null,"whyItMatters":null,"measured":{"value":28,"low":0,"high":28,"kind":"range","display":"0–28","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–28*"},"federalStandard":{"type":"MCL","value":13,"units":"ug/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":8.5,"low":null,"high":null,"kind":"point","display":"8.5","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"8.5"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"ND"},{"value":28,"low":0,"high":28,"kind":"range","display":"0–28","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–28*"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND"}]}]}],"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":2.64,"low":0.13,"high":2.64,"kind":"range","display":"0.13–2.64","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.13–2.64"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.64,"low":0.13,"high":2.64,"kind":"range","display":"0.13–2.64","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.13–2.64"},{"value":1.74,"low":null,"high":null,"kind":"point","display":"1.74","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1.74"}]},{"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":26.2,"low":0,"high":26.2,"kind":"range","display":"0–26.2","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–26.2"},"federalStandard":{"type":"MCL","value":60,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":14.4,"low":null,"high":null,"kind":"point","display":"14.4","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"14.4"},{"value":26.2,"low":0,"high":26.2,"kind":"range","display":"0–26.2","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–26.2"}]},{"analyteId":"tthm","name":"TTHM","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.","whyItMatters":"Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.","measured":{"value":60.1,"low":14,"high":60.1,"kind":"range","display":"14–60.1","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"14–60.1"},"federalStandard":{"type":"MCL","value":80,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":48.4,"low":null,"high":null,"kind":"point","display":"48.4","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"48.4"},{"value":60.1,"low":14,"high":60.1,"kind":"range","display":"14–60.1","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"14–60.1"}]},{"analyteId":"chloride","name":"Chloride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16887-00-6","whatItIs":"A naturally occurring salt compound.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels cause a salty taste and can corrode pipes.","measured":{"value":160,"low":81,"high":160,"kind":"range","display":"81–160","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"81–160"},"federalStandard":{"type":"MCL","value":500,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":121.5,"low":null,"high":null,"kind":"point","display":"121.5","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"121.5"},{"value":105,"low":null,"high":null,"kind":"point","display":"105","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"105"},{"value":160,"low":81,"high":160,"kind":"range","display":"81–160","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"81–160"},{"value":116,"low":96,"high":116,"kind":"range","display":"96–116","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"96–116"}]},{"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":1.1,"low":0.64,"high":1.1,"kind":"range","display":"0.64–1.1","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.64–1.1"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.7"},{"value":1.1,"low":0.64,"high":1.1,"kind":"range","display":"0.64–1.1","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.64–1.1"},{"value":0.8,"low":0.3,"high":0.8,"kind":"range","display":"0.3–0.8","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.3–0.8"},{"value":0.26,"low":null,"high":null,"kind":"point","display":"0.26","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.26"},{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.7"},{"value":0.3,"low":0.23,"high":0.3,"kind":"range","display":"0.23–0.3","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.23–0.30"}]},{"analyteId":"sulfate","name":"Sulfate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14808-79-8","whatItIs":"A naturally occurring mineral from rock and soil.","whyItMatters":"No health-based federal limit; high levels can have a laxative effect and a bitter taste.","measured":{"value":340,"low":140,"high":340,"kind":"range","display":"140–340","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"140–340"},"federalStandard":{"type":"MCL","value":500,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":224.5,"low":null,"high":null,"kind":"point","display":"224.5","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"224.5"},{"value":249.7,"low":null,"high":null,"kind":"point","display":"249.7","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"249.7"},{"value":253,"low":196,"high":253,"kind":"range","display":"196–253","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"196–253"},{"value":340,"low":140,"high":340,"kind":"range","display":"140–340","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"140–340"}]},{"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":210,"low":0,"high":210,"kind":"range","display":"0–210","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–210"},"federalStandard":{"type":"MCL","value":200,"units":"ug/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":0.21,"low":0,"high":0.21,"kind":"range","display":"0–0.21","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–0.21"},{"value":150,"low":0,"high":150,"kind":"range","display":"0–150","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–150"},{"value":210,"low":0,"high":210,"kind":"range","display":"0–210","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–210"},{"value":42,"low":null,"high":null,"kind":"point","display":"42","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"42"},{"value":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.04"},{"value":0.46,"low":0,"high":0.46,"kind":"range","display":"0–0.46","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–0.46"},{"value":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.15"},{"value":47,"low":null,"high":null,"kind":"point","display":"47","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"47"}]},{"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":1.4,"low":0,"high":1.4,"kind":"range","display":"0–1.4","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–1.4"},"federalStandard":{"type":"MCL","value":10,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.9"},{"value":1.4,"low":0,"high":1.4,"kind":"range","display":"0–1.4","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–1.4"},{"value":0.5,"low":null,"high":null,"kind":"point","display":"0.5","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.5"}]},{"analyteId":"barium","name":"Barium","family":"metal","familyLabel":"Metals","casrn":"7440-39-3","whatItIs":"A metal from erosion of natural deposits and industrial discharge.","whyItMatters":"Long-term exposure above the federal limit can raise blood pressure.","measured":{"value":0.14,"low":0.07,"high":0.14,"kind":"range","display":"0.07–0.14","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.07–0.14"},"federalStandard":{"type":"MCL","value":1,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.14,"low":0.07,"high":0.14,"kind":"range","display":"0.07–0.14","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.07–0.14"},{"value":0.12,"low":0,"high":0.12,"kind":"range","display":"0–0.12","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–0.12"},{"value":0.1,"low":null,"high":null,"kind":"point","display":"0.1","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.1"},{"value":0.12,"low":null,"high":null,"kind":"point","display":"0.12","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.12"}]},{"analyteId":"chromium_total","name":"Chromium, Total","family":"metal","familyLabel":"Metals","casrn":"7440-47-3","whatItIs":"Total chromium — the sum of all chromium forms, from natural deposits and industrial discharge.","whyItMatters":"Long-term exposure above the federal limit can cause allergic dermatitis; includes hexavalent chromium.","measured":{"value":1.3,"low":0,"high":1.3,"kind":"range","display":"0–1.3","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–1.3"},"federalStandard":{"type":"MCL","value":50,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.3,"low":0,"high":1.3,"kind":"range","display":"0–1.3","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–1.3"},{"value":0.37,"low":null,"high":null,"kind":"point","display":"0.37","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.37"}]},{"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":0.19,"low":null,"high":null,"kind":"point","display":"0.19","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.19"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.5,"low":0,"high":0.5,"kind":"range","display":"0–0.5","units":"mg/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"ND–0.5"},{"value":0.19,"low":null,"high":null,"kind":"point","display":"0.19","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.19"}]},{"analyteId":"lead","name":"Lead","family":"metal","familyLabel":"Metals","casrn":"7439-92-1","whatItIs":"A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.","whyItMatters":"There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"AL","value":15,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":9.1,"low":0,"high":9.1,"kind":"range","display":"0–9.1","units":"ug/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"ND–9.1"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"ND"}]},{"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":58,"low":0,"high":58,"kind":"range","display":"0–58","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–58"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":58,"low":0,"high":58,"kind":"range","display":"0–58","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–58"},{"value":15.9,"low":null,"high":null,"kind":"point","display":"15.9","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"15.9"}]},{"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":58,"low":0,"high":58,"kind":"range","display":"0–58","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–58"},"federalStandard":{"type":"MCL","value":50,"units":"ug/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":58,"low":0,"high":58,"kind":"range","display":"0–58","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–58"},{"value":46.9,"low":null,"high":null,"kind":"point","display":"46.9","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"46.9"}]},{"analyteId":"color","name":"Color","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of visible tint in the water.","whyItMatters":"Regulated only as a secondary (cosmetic) standard.","measured":{"value":8.8,"low":0,"high":8.8,"kind":"range","display":"0–8.8","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–8.8"},"federalStandard":{"type":"MCL","value":15,"units":null,"enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":8.8,"low":0,"high":8.8,"kind":"range","display":"0–8.8","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"ND–8.8"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"ND"},{"value":1.5,"low":null,"high":null,"kind":"point","display":"1.5","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1.5"},{"value":2,"low":1,"high":2,"kind":"range","display":"1–2","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1–2²"}]},{"analyteId":"odor","name":"Odor","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of detectable smell in the water.","whyItMatters":"Regulated only as a secondary (cosmetic) standard.","measured":{"value":4,"low":0,"high":4,"kind":"range","display":"0–4","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–4.0"},"federalStandard":{"type":"MCL","value":3,"units":null,"enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":0.5,"low":null,"high":null,"kind":"point","display":"0.5","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.5"},{"value":4,"low":0,"high":4,"kind":"range","display":"0–4","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"ND–4.0"},{"value":1,"low":0,"high":1,"kind":"range","display":"0–1","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"ND–1.0"},{"value":0.8,"low":null,"high":null,"kind":"point","display":"0.8","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.8"}]},{"analyteId":"specific_conductance","name":"Specific Conductance","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how well water conducts electricity, which tracks dissolved mineral content.","whyItMatters":"Not federally regulated for health; used as a proxy for total dissolved solids.","measured":{"value":1400,"low":1000,"high":1400,"kind":"range","display":"1000–1400","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1,000–1,400"},"federalStandard":{"type":"MCL","value":1,"units":null,"enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":1050,"low":null,"high":null,"kind":"point","display":"1050","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1,050"},{"value":1080,"low":880,"high":1080,"kind":"range","display":"880–1080","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"880–1,080"},{"value":1400,"low":1000,"high":1400,"kind":"range","display":"1000–1400","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1,000–1,400"},{"value":987.5,"low":null,"high":null,"kind":"point","display":"987.5","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"987.5"}]},{"analyteId":"tds","name":"Total Dissolved Solids","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"Total dissolved solids — the combined content of all dissolved minerals and salts.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels affect taste and hardness.","measured":{"value":1100,"low":170,"high":1100,"kind":"range","display":"170–1100","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"170–1,100"},"federalStandard":{"type":"MCL","value":1,"units":"mg/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":320,"low":null,"high":null,"kind":"point","display":"320","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"320"},{"value":626.5,"low":null,"high":null,"kind":"point","display":"626.5","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"626.5"},{"value":690,"low":556,"high":690,"kind":"range","display":"556–690","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"556–690"},{"value":1100,"low":170,"high":1100,"kind":"range","display":"170–1100","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"170–1,100"}]},{"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":0.9,"low":0.1,"high":0.9,"kind":"range","display":"0.1–0.9","units":"NTU","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.1–0.9"},"federalStandard":{"type":"MCL","value":5,"units":"NTU","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.9,"low":0.1,"high":0.9,"kind":"range","display":"0.1–0.9","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"0.1–0.9"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"ND"},{"value":0.3,"low":null,"high":null,"kind":"point","display":"0.3","units":"NTU","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.3"},{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"NTU","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.2"}]},{"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":1.69,"low":0,"high":1.69,"kind":"range","display":"0–1.69","units":"pCi/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–1.69"},"federalStandard":{"type":"MCL","value":5,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.32,"low":null,"high":null,"kind":"point","display":"0.32","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.32"},{"value":1.69,"low":0,"high":1.69,"kind":"range","display":"0–1.69","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–1.69"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"ND"}]},{"analyteId":"gross_alpha","name":"Gross Alpha","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Gross alpha particle activity — a combined measure of alpha-emitting radioactive substances.","whyItMatters":"Long-term exposure above the federal limit increases cancer risk.","measured":{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"pCi/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–5.0"},"federalStandard":{"type":"MCL","value":15,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"ND"},{"value":2.95,"low":0,"high":2.95,"kind":"range","display":"0–2.95","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–2.95"},{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–5.0"},{"value":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.04"}]},{"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":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"pCi/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–5.0†"},"federalStandard":{"type":"MCL","value":50,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–5.0†"}]},{"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":3,"low":0,"high":3,"kind":"range","display":"0–3","units":"pCi/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–3.0†"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.05,"low":null,"high":null,"kind":"point","display":"0.05","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.05†"},{"value":0.12,"low":null,"high":null,"kind":"point","display":"0.12","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.12"},{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–3.0†"},{"value":2,"low":0,"high":2,"kind":"range","display":"0–2","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–2.0"}]},{"analyteId":"mtbe","name":"MTBE","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"1634-04-4","whatItIs":null,"whyItMatters":null,"measured":{"value":28,"low":0,"high":28,"kind":"range","display":"0–28","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"ND–28*"},"federalStandard":{"type":"MCL","value":13,"units":"ug/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":8.5,"low":null,"high":null,"kind":"point","display":"8.5","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"8.5"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"ND"},{"value":28,"low":0,"high":28,"kind":"range","display":"0–28","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND–28*"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND"}]}]}}