{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-06-04T00:37:54.826Z"},"system":{"slug":"ca__amarillo-mutual-water-company__CA1910002__2021","name":"Amarillo Mutual Water Company — Rosemead, Ca","state":"CA","year":2021,"url":"https://www.thewatermap.com/water/ca/amarillo-mutual-water-company-rosemead-ca/2021","apiUrl":"https://www.thewatermap.com/api/water/ca/amarillo-mutual-water-company-rosemead-ca/2021","markdownUrl":"https://www.thewatermap.com/water/ca/amarillo-mutual-water-company-rosemead-ca/2021/llms.txt","coordinates":{"latitude":34.0303972,"longitude":-118.7036072},"contaminantsMeasured":19,"contaminantsWithFederalLimit":7,"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":"chlorine","name":"Chlorine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A disinfectant added to drinking water to kill bacteria and viruses.","whyItMatters":"Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.","measured":{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1.3"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.6,"low":0.99,"high":1.6,"kind":"range","display":"0.99–1.6","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.99 - 1.6"},{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"1.3"}]}]},{"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":20,"low":null,"high":null,"kind":"point","display":"20","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"20"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":34,"low":3.8,"high":34,"kind":"range","display":"3.8–34","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"3.8 - 34"},{"value":20,"low":null,"high":null,"kind":"point","display":"20","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"20"}]},{"analyteId":"fluoride","name":"Fluoride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16984-48-8","whatItIs":"A mineral often added to drinking water to help prevent tooth decay.","whyItMatters":"Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.","measured":{"value":0.57,"low":null,"high":null,"kind":"point","display":"0.57","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.57"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.57,"low":null,"high":null,"kind":"point","display":"0.57","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"0.57"},{"value":0.78,"low":0.41,"high":0.78,"kind":"range","display":"0.41–0.78","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.41 - 0.78"}]},{"analyteId":"nitrate","name":"Nitrate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14797-55-8","whatItIs":"A compound from fertilizer runoff, septic systems, and erosion of natural deposits.","whyItMatters":"Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.","measured":{"value":2.5,"low":null,"high":null,"kind":"point","display":"2.5","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.5"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.5,"low":null,"high":null,"kind":"point","display":"2.5","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"2.5"},{"value":4.7,"low":0.23,"high":4.7,"kind":"range","display":"0.23–4.7","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.23 - 4.7"}]},{"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":66,"low":null,"high":null,"kind":"point","display":"66","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"66"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":66,"low":null,"high":null,"kind":"point","display":"66","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"66"},{"value":110,"low":20,"high":110,"kind":"range","display":"20–110","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"20 - 110"}]}]},{"family":"metal","familyLabel":"Metals","contaminants":[{"analyteId":"calcium","name":"Calcium","family":"metal","familyLabel":"Metals","casrn":"7440-70-2","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":62,"low":null,"high":null,"kind":"point","display":"62","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"62"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":62,"low":null,"high":null,"kind":"point","display":"62","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"62"},{"value":88,"low":31,"high":88,"kind":"range","display":"31–88","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"31 - 88"}]},{"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":0.53,"low":null,"high":null,"kind":"point","display":"0.53","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.53"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.53,"low":null,"high":null,"kind":"point","display":"0.53","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.53"}]},{"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":null,"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"ND"}]},{"analyteId":"magnesium","name":"Magnesium","family":"metal","familyLabel":"Metals","casrn":"7439-95-4","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":17,"low":null,"high":null,"kind":"point","display":"17","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"17"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":17,"low":null,"high":null,"kind":"point","display":"17","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"17"},{"value":26,"low":3.8,"high":26,"kind":"range","display":"3.8–26","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"3.8 - 26"}]},{"analyteId":"sodium","name":"Sodium","family":"metal","familyLabel":"Metals","casrn":"7440-23-5","whatItIs":"A naturally occurring salt component.","whyItMatters":"Not federally regulated for health; relevant for people on sodium-restricted diets.","measured":{"value":25,"low":null,"high":null,"kind":"point","display":"25","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"25"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":25,"low":null,"high":null,"kind":"point","display":"25","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"25"},{"value":33,"low":25,"high":33,"kind":"range","display":"25–33","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"25 - 33"}]}]},{"family":"physical_aggregate","familyLabel":"Physical & aggregate","contaminants":[{"analyteId":"alkalinity","name":"Alkalinity","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of the water's capacity to neutralize acids.","whyItMatters":"Not federally regulated for health; relevant to corrosion control and treatment.","measured":{"value":190,"low":null,"high":null,"kind":"point","display":"190","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"190"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":240,"low":140,"high":240,"kind":"range","display":"140–240","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"140 - 240"},{"value":190,"low":null,"high":null,"kind":"point","display":"190","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"190"}]},{"analyteId":"hardness","name":"Hardness","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of dissolved calcium and magnesium minerals.","whyItMatters":"Not federally regulated for health; affects scaling, soap use, and taste.","measured":{"value":220,"low":null,"high":null,"kind":"point","display":"220","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"220"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":220,"low":null,"high":null,"kind":"point","display":"220","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"220"},{"value":330,"low":93,"high":330,"kind":"range","display":"93–330","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"93 - 330"}]},{"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":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"system","rawVerbatim":"1"}]},{"analyteId":"ph","name":"pH","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how acidic or basic the water is.","whyItMatters":"Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.","measured":{"value":7.8,"low":null,"high":null,"kind":"point","display":"7.8","units":null,"statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"7.8"},"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":null,"statisticType":"average","samplingContext":"system","rawVerbatim":"7.8"},{"value":8.2,"low":7.4,"high":8.2,"kind":"range","display":"7.4–8.2","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"7.4 - 8.2"}]},{"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":540,"low":null,"high":null,"kind":"point","display":"540","units":null,"statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"540"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":540,"low":null,"high":null,"kind":"point","display":"540","units":null,"statisticType":"average","samplingContext":"system","rawVerbatim":"540"},{"value":740,"low":310,"high":740,"kind":"range","display":"310–740","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"310 - 740"}]},{"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":350,"low":null,"high":null,"kind":"point","display":"350","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"350"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":350,"low":null,"high":null,"kind":"point","display":"350","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"350"},{"value":490,"low":180,"high":490,"kind":"range","display":"180–490","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"180 - 490"}]},{"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,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"average","samplingContext":"system","censored":true,"detectionLimit":0.1,"rawVerbatim":"<0.1"},"federalStandard":{"type":"MCL","value":1,"units":"NTU","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"average","samplingContext":"system","rawVerbatim":"<0.1"},{"value":0.38,"low":0,"high":0.38,"kind":"range","display":"0–0.38","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.38"},{"value":0.21,"low":0,"high":0.21,"kind":"range","display":"0–0.21","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.21"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"average","samplingContext":"system","rawVerbatim":"<0.1"}]}]},{"family":"radionuclide","familyLabel":"Radionuclides","contaminants":[{"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":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"pCi/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3.7"},"federalStandard":{"type":"MCL","value":15,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"pCi/L","statisticType":"average","samplingContext":"system","rawVerbatim":"3.7"},{"value":7.7,"low":0,"high":7.7,"kind":"range","display":"0–7.7","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 7.7"}]},{"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":6.5,"low":null,"high":null,"kind":"point","display":"6.5","units":"pCi/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"6.5"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":10,"low":1.9,"high":10,"kind":"range","display":"1.9–10","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"1.9 - 10"},{"value":6.5,"low":null,"high":null,"kind":"point","display":"6.5","units":"pCi/L","statisticType":"average","samplingContext":"system","rawVerbatim":"6.5"}]}]}],"contaminants":[{"analyteId":"chlorine","name":"Chlorine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A disinfectant added to drinking water to kill bacteria and viruses.","whyItMatters":"Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.","measured":{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1.3"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.6,"low":0.99,"high":1.6,"kind":"range","display":"0.99–1.6","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.99 - 1.6"},{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"1.3"}]},{"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":20,"low":null,"high":null,"kind":"point","display":"20","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"20"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":34,"low":3.8,"high":34,"kind":"range","display":"3.8–34","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"3.8 - 34"},{"value":20,"low":null,"high":null,"kind":"point","display":"20","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"20"}]},{"analyteId":"fluoride","name":"Fluoride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16984-48-8","whatItIs":"A mineral often added to drinking water to help prevent tooth decay.","whyItMatters":"Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.","measured":{"value":0.57,"low":null,"high":null,"kind":"point","display":"0.57","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.57"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.57,"low":null,"high":null,"kind":"point","display":"0.57","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"0.57"},{"value":0.78,"low":0.41,"high":0.78,"kind":"range","display":"0.41–0.78","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.41 - 0.78"}]},{"analyteId":"nitrate","name":"Nitrate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14797-55-8","whatItIs":"A compound from fertilizer runoff, septic systems, and erosion of natural deposits.","whyItMatters":"Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.","measured":{"value":2.5,"low":null,"high":null,"kind":"point","display":"2.5","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.5"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.5,"low":null,"high":null,"kind":"point","display":"2.5","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"2.5"},{"value":4.7,"low":0.23,"high":4.7,"kind":"range","display":"0.23–4.7","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.23 - 4.7"}]},{"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":66,"low":null,"high":null,"kind":"point","display":"66","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"66"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":66,"low":null,"high":null,"kind":"point","display":"66","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"66"},{"value":110,"low":20,"high":110,"kind":"range","display":"20–110","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"20 - 110"}]},{"analyteId":"calcium","name":"Calcium","family":"metal","familyLabel":"Metals","casrn":"7440-70-2","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":62,"low":null,"high":null,"kind":"point","display":"62","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"62"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":62,"low":null,"high":null,"kind":"point","display":"62","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"62"},{"value":88,"low":31,"high":88,"kind":"range","display":"31–88","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"31 - 88"}]},{"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":0.53,"low":null,"high":null,"kind":"point","display":"0.53","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.53"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.53,"low":null,"high":null,"kind":"point","display":"0.53","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.53"}]},{"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":null,"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"ND"}]},{"analyteId":"magnesium","name":"Magnesium","family":"metal","familyLabel":"Metals","casrn":"7439-95-4","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":17,"low":null,"high":null,"kind":"point","display":"17","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"17"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":17,"low":null,"high":null,"kind":"point","display":"17","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"17"},{"value":26,"low":3.8,"high":26,"kind":"range","display":"3.8–26","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"3.8 - 26"}]},{"analyteId":"sodium","name":"Sodium","family":"metal","familyLabel":"Metals","casrn":"7440-23-5","whatItIs":"A naturally occurring salt component.","whyItMatters":"Not federally regulated for health; relevant for people on sodium-restricted diets.","measured":{"value":25,"low":null,"high":null,"kind":"point","display":"25","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"25"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":25,"low":null,"high":null,"kind":"point","display":"25","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"25"},{"value":33,"low":25,"high":33,"kind":"range","display":"25–33","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"25 - 33"}]},{"analyteId":"alkalinity","name":"Alkalinity","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of the water's capacity to neutralize acids.","whyItMatters":"Not federally regulated for health; relevant to corrosion control and treatment.","measured":{"value":190,"low":null,"high":null,"kind":"point","display":"190","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"190"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":240,"low":140,"high":240,"kind":"range","display":"140–240","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"140 - 240"},{"value":190,"low":null,"high":null,"kind":"point","display":"190","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"190"}]},{"analyteId":"hardness","name":"Hardness","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of dissolved calcium and magnesium minerals.","whyItMatters":"Not federally regulated for health; affects scaling, soap use, and taste.","measured":{"value":220,"low":null,"high":null,"kind":"point","display":"220","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"220"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":220,"low":null,"high":null,"kind":"point","display":"220","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"220"},{"value":330,"low":93,"high":330,"kind":"range","display":"93–330","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"93 - 330"}]},{"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":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"1"},{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":null,"statisticType":"average","samplingContext":"system","rawVerbatim":"1"}]},{"analyteId":"ph","name":"pH","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how acidic or basic the water is.","whyItMatters":"Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.","measured":{"value":7.8,"low":null,"high":null,"kind":"point","display":"7.8","units":null,"statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"7.8"},"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":null,"statisticType":"average","samplingContext":"system","rawVerbatim":"7.8"},{"value":8.2,"low":7.4,"high":8.2,"kind":"range","display":"7.4–8.2","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"7.4 - 8.2"}]},{"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":540,"low":null,"high":null,"kind":"point","display":"540","units":null,"statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"540"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":540,"low":null,"high":null,"kind":"point","display":"540","units":null,"statisticType":"average","samplingContext":"system","rawVerbatim":"540"},{"value":740,"low":310,"high":740,"kind":"range","display":"310–740","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"310 - 740"}]},{"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":350,"low":null,"high":null,"kind":"point","display":"350","units":"mg/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"350"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":350,"low":null,"high":null,"kind":"point","display":"350","units":"mg/L","statisticType":"average","samplingContext":"system","rawVerbatim":"350"},{"value":490,"low":180,"high":490,"kind":"range","display":"180–490","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"180 - 490"}]},{"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,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"average","samplingContext":"system","censored":true,"detectionLimit":0.1,"rawVerbatim":"<0.1"},"federalStandard":{"type":"MCL","value":1,"units":"NTU","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"average","samplingContext":"system","rawVerbatim":"<0.1"},{"value":0.38,"low":0,"high":0.38,"kind":"range","display":"0–0.38","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.38"},{"value":0.21,"low":0,"high":0.21,"kind":"range","display":"0–0.21","units":"NTU","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 0.21"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"NTU","statisticType":"average","samplingContext":"system","rawVerbatim":"<0.1"}]},{"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":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"pCi/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3.7"},"federalStandard":{"type":"MCL","value":15,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"pCi/L","statisticType":"average","samplingContext":"system","rawVerbatim":"3.7"},{"value":7.7,"low":0,"high":7.7,"kind":"range","display":"0–7.7","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"ND - 7.7"}]},{"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":6.5,"low":null,"high":null,"kind":"point","display":"6.5","units":"pCi/L","statisticType":"average","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"6.5"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":10,"low":1.9,"high":10,"kind":"range","display":"1.9–10","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"1.9 - 10"},{"value":6.5,"low":null,"high":null,"kind":"point","display":"6.5","units":"pCi/L","statisticType":"average","samplingContext":"system","rawVerbatim":"6.5"}]}]}}