{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-06-04T01:54:04.697Z"},"system":{"slug":"ca__maywood-mutual-water-co-3__CA1910086__2021","name":"Maywood Mutual Water Co. #3 — Maywood, Ca","state":"CA","year":2021,"url":"https://www.thewatermap.com/water/ca/maywood-mutual-water-co-3-maywood-ca/2021","apiUrl":"https://www.thewatermap.com/api/water/ca/maywood-mutual-water-co-3-maywood-ca/2021","markdownUrl":"https://www.thewatermap.com/water/ca/maywood-mutual-water-co-3-maywood-ca/2021/llms.txt","coordinates":{"latitude":33.9866807,"longitude":-118.185349},"contaminantsMeasured":18,"contaminantsWithFederalLimit":10,"contaminantsAtOrAboveLimit":0,"contaminantsApproachingLimit":0,"source":{"type":"Consumer Confidence Report (CCR)","description":"Figures are transcribed from the water utility's own annual Consumer Confidence Report, cross-checked by a second model, and approved by a person before publishing."},"families":[{"family":"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":1.6,"low":null,"high":null,"kind":"point","display":"1.6","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"1.6"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.6,"low":null,"high":null,"kind":"point","display":"1.6","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"1.6"},{"value":2,"low":1,"high":2,"kind":"range","display":"1–2","units":"ug/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"1.0 - 2.0"}]},{"analyteId":"perchlorate","name":"Perchlorate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"14797-73-0","whatItIs":"A chemical used in rocket fuel and fireworks that can also form during disinfection.","whyItMatters":"Can interfere with thyroid hormone production; has no national enforceable limit but is regulated in some states.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","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":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND"}]},{"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":7.2,"low":null,"high":null,"kind":"point","display":"7.2","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"7.2"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":9.8,"low":3.6,"high":9.8,"kind":"range","display":"3.6–9.8","units":"ug/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"3.6 - 9.8"},{"value":7.2,"low":null,"high":null,"kind":"point","display":"7.2","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"7.2"}]}]},{"family":"inorganic","familyLabel":"Inorganic chemicals","contaminants":[{"analyteId":"fluoride","name":"Fluoride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16984-48-8","whatItIs":"A mineral often added to drinking water to help prevent tooth decay.","whyItMatters":"Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.","measured":{"value":0.28,"low":null,"high":null,"kind":"point","display":"0.28","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.28"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.28,"low":null,"high":null,"kind":"point","display":"0.28","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.28"},{"value":0.3,"low":0.2,"high":0.3,"kind":"range","display":"0.2–0.3","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"0.2 - 0.3"}]},{"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":1.2,"low":null,"high":null,"kind":"point","display":"1.2","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1.2"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 3.0"},{"value":1.2,"low":null,"high":null,"kind":"point","display":"1.2","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"1.2"}]}]},{"family":"metal","familyLabel":"Metals","contaminants":[{"analyteId":"aluminum","name":"Aluminum","family":"metal","familyLabel":"Metals","casrn":"7429-90-5","whatItIs":"A common element sometimes used as a treatment coagulant.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels can discolor water.","measured":{"value":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.01"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.07,"low":0,"high":0.07,"kind":"range","display":"0–0.07","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 0.07"},{"value":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.01"}]},{"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":0.43,"low":null,"high":null,"kind":"point","display":"0.43","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.43"},"federalStandard":null,"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":"plant:Groundwater","rawVerbatim":"ND - 1.3"},{"value":0.43,"low":null,"high":null,"kind":"point","display":"0.43","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.43"}]},{"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":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.04"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.04"},{"value":0.13,"low":0,"high":0.13,"kind":"range","display":"0–0.13","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 0.13"}]},{"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":0.18,"low":null,"high":null,"kind":"point","display":"0.18","units":"mg/L","statisticType":"p90","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"0.18"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.18,"low":null,"high":null,"kind":"point","display":"0.18","units":"mg/L","statisticType":"p90","samplingContext":"zone:Distribution System","rawVerbatim":"0.18"}]},{"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":"zone:Distribution System","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":"zone:Distribution System","rawVerbatim":"ND"}]}]},{"family":"microbial","familyLabel":"Microbial","contaminants":[{"analyteId":"ecoli","name":"Escherichia coli (E. coli)","family":"microbial","familyLabel":"Microbial","casrn":null,"whatItIs":"Escherichia coli — bacteria found in the gut of humans and animals.","whyItMatters":"Its presence in drinking water indicates fecal contamination and a real risk of waterborne illness.","measured":{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"range","samplingContext":"zone:Distribution System Range Of # Positive","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"zone:Distribution System Range Of # Positive","label":"Distribution System Range Of # Positive","kind":"zone","units":"","average":null,"range":{"low":null,"high":null,"display":"0"},"ratio":null},{"context":"zone:Distribution System Average # Positive","label":"Distribution System Average # Positive","kind":"zone","units":"","average":{"value":0,"display":"0"},"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"range","samplingContext":"zone:Distribution System Range Of # Positive","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"average","samplingContext":"zone:Distribution System Average # Positive","rawVerbatim":"0"}]},{"analyteId":"total_coliform","name":"Total Coliform","family":"microbial","familyLabel":"Microbial","casrn":null,"whatItIs":"A group of bacteria used as an indicator of overall water-system sanitation.","whyItMatters":"Coliforms themselves are usually harmless, but their presence signals that disease-causing organisms could enter the system.","measured":{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"range","samplingContext":"zone:Distribution System Range Of # Positive","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":{"type":"MCLG","value":0,"units":null,"enforceable":false},"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"zone:Distribution System Range Of # Positive","label":"Distribution System Range Of # Positive","kind":"zone","units":"","average":null,"range":{"low":null,"high":null,"display":"0"},"ratio":null},{"context":"zone:Distribution System Average # Positive","label":"Distribution System Average # Positive","kind":"zone","units":"","average":{"value":0,"display":"0"},"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"range","samplingContext":"zone:Distribution System Range Of # Positive","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"average","samplingContext":"zone:Distribution System Average # Positive","rawVerbatim":"0"}]}]},{"family":"other","familyLabel":"Other","contaminants":[{"analyteId":"chlorine_total","name":"Chlorine Total","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":"mg/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"0.9"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.7,"low":0.4,"high":1.7,"kind":"range","display":"0.4–1.7","units":"mg/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.4 - 1.7"},{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":"mg/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"0.9"}]}]},{"family":"physical_aggregate","familyLabel":"Physical & aggregate","contaminants":[{"analyteId":"turbidity","name":"Turbidity","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of cloudiness from suspended particles in the water.","whyItMatters":"High turbidity can shelter microbes from disinfection; the EPA enforces it through a treatment-technique standard.","measured":{"value":0.4,"low":null,"high":null,"kind":"point","display":"0.4","units":"NTU","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"0.4"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.4,"low":null,"high":null,"kind":"point","display":"0.4","units":"NTU","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"0.4"},{"value":0.72,"low":0.1,"high":0.72,"kind":"range","display":"0.1–0.72","units":"NTU","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.1 - 0.72"}]}]},{"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":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":5,"units":null,"enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","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":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.9"},"federalStandard":{"type":"MCL","value":15,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.5,"low":0,"high":3.5,"kind":"range","display":"0–3.5","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 3.5"},{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.9"}]},{"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":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.9"},"federalStandard":{"type":"MCL","value":20,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.4,"low":0,"high":2.4,"kind":"range","display":"0–2.4","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 2.4"},{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.9"}]}]},{"family":"voc_pesticide","familyLabel":"VOCs & pesticides","contaminants":[{"analyteId":"trichloroethylene","name":"Trichloroethylene","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"79-01-6","whatItIs":"An industrial solvent (TCE) used in metal degreasing.","whyItMatters":"A known human carcinogen; long-term exposure above the federal limit can damage the liver.","measured":{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1.3"},"federalStandard":{"type":"MCL","value":5,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"1.3"},{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 3.0"}]}]}],"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":1.6,"low":null,"high":null,"kind":"point","display":"1.6","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"1.6"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.6,"low":null,"high":null,"kind":"point","display":"1.6","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"1.6"},{"value":2,"low":1,"high":2,"kind":"range","display":"1–2","units":"ug/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"1.0 - 2.0"}]},{"analyteId":"perchlorate","name":"Perchlorate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"14797-73-0","whatItIs":"A chemical used in rocket fuel and fireworks that can also form during disinfection.","whyItMatters":"Can interfere with thyroid hormone production; has no national enforceable limit but is regulated in some states.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","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":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND"}]},{"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":7.2,"low":null,"high":null,"kind":"point","display":"7.2","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"7.2"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":9.8,"low":3.6,"high":9.8,"kind":"range","display":"3.6–9.8","units":"ug/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"3.6 - 9.8"},{"value":7.2,"low":null,"high":null,"kind":"point","display":"7.2","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"7.2"}]},{"analyteId":"fluoride","name":"Fluoride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16984-48-8","whatItIs":"A mineral often added to drinking water to help prevent tooth decay.","whyItMatters":"Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.","measured":{"value":0.28,"low":null,"high":null,"kind":"point","display":"0.28","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.28"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.28,"low":null,"high":null,"kind":"point","display":"0.28","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.28"},{"value":0.3,"low":0.2,"high":0.3,"kind":"range","display":"0.2–0.3","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"0.2 - 0.3"}]},{"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":1.2,"low":null,"high":null,"kind":"point","display":"1.2","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1.2"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 3.0"},{"value":1.2,"low":null,"high":null,"kind":"point","display":"1.2","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"1.2"}]},{"analyteId":"aluminum","name":"Aluminum","family":"metal","familyLabel":"Metals","casrn":"7429-90-5","whatItIs":"A common element sometimes used as a treatment coagulant.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; high levels can discolor water.","measured":{"value":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.01"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.07,"low":0,"high":0.07,"kind":"range","display":"0–0.07","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 0.07"},{"value":0.01,"low":null,"high":null,"kind":"point","display":"0.01","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.01"}]},{"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":0.43,"low":null,"high":null,"kind":"point","display":"0.43","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.43"},"federalStandard":null,"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":"plant:Groundwater","rawVerbatim":"ND - 1.3"},{"value":0.43,"low":null,"high":null,"kind":"point","display":"0.43","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.43"}]},{"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":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.04"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.04,"low":null,"high":null,"kind":"point","display":"0.04","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.04"},{"value":0.13,"low":0,"high":0.13,"kind":"range","display":"0–0.13","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 0.13"}]},{"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":0.18,"low":null,"high":null,"kind":"point","display":"0.18","units":"mg/L","statisticType":"p90","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"0.18"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.18,"low":null,"high":null,"kind":"point","display":"0.18","units":"mg/L","statisticType":"p90","samplingContext":"zone:Distribution System","rawVerbatim":"0.18"}]},{"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":"zone:Distribution System","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":"zone:Distribution System","rawVerbatim":"ND"}]},{"analyteId":"ecoli","name":"Escherichia coli (E. coli)","family":"microbial","familyLabel":"Microbial","casrn":null,"whatItIs":"Escherichia coli — bacteria found in the gut of humans and animals.","whyItMatters":"Its presence in drinking water indicates fecal contamination and a real risk of waterborne illness.","measured":{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"range","samplingContext":"zone:Distribution System Range Of # Positive","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"zone:Distribution System Range Of # Positive","label":"Distribution System Range Of # Positive","kind":"zone","units":"","average":null,"range":{"low":null,"high":null,"display":"0"},"ratio":null},{"context":"zone:Distribution System Average # Positive","label":"Distribution System Average # Positive","kind":"zone","units":"","average":{"value":0,"display":"0"},"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"range","samplingContext":"zone:Distribution System Range Of # Positive","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"average","samplingContext":"zone:Distribution System Average # Positive","rawVerbatim":"0"}]},{"analyteId":"total_coliform","name":"Total Coliform","family":"microbial","familyLabel":"Microbial","casrn":null,"whatItIs":"A group of bacteria used as an indicator of overall water-system sanitation.","whyItMatters":"Coliforms themselves are usually harmless, but their presence signals that disease-causing organisms could enter the system.","measured":{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"range","samplingContext":"zone:Distribution System Range Of # Positive","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":{"type":"MCLG","value":0,"units":null,"enforceable":false},"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"zone:Distribution System Range Of # Positive","label":"Distribution System Range Of # Positive","kind":"zone","units":"","average":null,"range":{"low":null,"high":null,"display":"0"},"ratio":null},{"context":"zone:Distribution System Average # Positive","label":"Distribution System Average # Positive","kind":"zone","units":"","average":{"value":0,"display":"0"},"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"range","samplingContext":"zone:Distribution System Range Of # Positive","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"average","samplingContext":"zone:Distribution System Average # Positive","rawVerbatim":"0"}]},{"analyteId":"chlorine_total","name":"Chlorine Total","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":"mg/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"0.9"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.7,"low":0.4,"high":1.7,"kind":"range","display":"0.4–1.7","units":"mg/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.4 - 1.7"},{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":"mg/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"0.9"}]},{"analyteId":"turbidity","name":"Turbidity","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of cloudiness from suspended particles in the water.","whyItMatters":"High turbidity can shelter microbes from disinfection; the EPA enforces it through a treatment-technique standard.","measured":{"value":0.4,"low":null,"high":null,"kind":"point","display":"0.4","units":"NTU","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"0.4"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.4,"low":null,"high":null,"kind":"point","display":"0.4","units":"NTU","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"0.4"},{"value":0.72,"low":0.1,"high":0.72,"kind":"range","display":"0.1–0.72","units":"NTU","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.1 - 0.72"}]},{"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":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":5,"units":null,"enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","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":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.9"},"federalStandard":{"type":"MCL","value":15,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.5,"low":0,"high":3.5,"kind":"range","display":"0–3.5","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 3.5"},{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.9"}]},{"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":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.9"},"federalStandard":{"type":"MCL","value":20,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2.4,"low":0,"high":2.4,"kind":"range","display":"0–2.4","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 2.4"},{"value":0.9,"low":null,"high":null,"kind":"point","display":"0.9","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.9"}]},{"analyteId":"trichloroethylene","name":"Trichloroethylene","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"79-01-6","whatItIs":"An industrial solvent (TCE) used in metal degreasing.","whyItMatters":"A known human carcinogen; long-term exposure above the federal limit can damage the liver.","measured":{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"1.3"},"federalStandard":{"type":"MCL","value":5,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"1.3"},{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 3.0"}]}]}}