{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-06-04T01:43:59.128Z"},"system":{"slug":"ca__paramount-city-water-dept__CA1910105","name":"Paramount - City, Water Dept. — Paramount, Ca","state":"CA","year":2023,"url":"https://www.thewatermap.com/water/ca/paramount-city-water-dept-paramount-ca/2023","apiUrl":"https://www.thewatermap.com/api/water/ca/paramount-city-water-dept-paramount-ca/2023","markdownUrl":"https://www.thewatermap.com/water/ca/paramount-city-water-dept-paramount-ca/2023/llms.txt","coordinates":{"latitude":33.898917,"longitude":-118.171005},"contaminantsMeasured":17,"contaminantsWithFederalLimit":7,"contaminantsAtOrAboveLimit":0,"contaminantsApproachingLimit":1,"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":8.4,"low":null,"high":null,"kind":"point","display":"8.4","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"8.4"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":8.4,"low":null,"high":null,"kind":"point","display":"8.4","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"8.4"},{"value":10,"low":0,"high":10,"kind":"range","display":"0–10","units":"ug/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.0 - 10.0"}]},{"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":26,"low":null,"high":null,"kind":"point","display":"26","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"26.0"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":34,"low":0,"high":34,"kind":"range","display":"0–34","units":"ug/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.0 - 34.0"},{"value":26,"low":null,"high":null,"kind":"point","display":"26","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"26.0"}]}]},{"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":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","censored":false,"detectionLimit":null,"rawVerbatim":"0.70"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"mg/L","average":{"value":0.7,"display":"0.7"},"range":{"low":0.3,"high":0.8,"display":"0.3–0.8"},"ratio":0.2},{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"mg/L","average":{"value":0.28,"display":"0.28"},"range":{"low":null,"high":null,"display":"0.28"},"ratio":0.07}],"measurements":[{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"0.70"},{"value":0.28,"low":null,"high":null,"kind":"point","display":"0.28","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"0.28"},{"value":0.8,"low":0.3,"high":0.8,"kind":"range","display":"0.3–0.8","units":"mg/L","statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"0.3 - 0.8"},{"value":0.28,"low":null,"high":null,"kind":"point","display":"0.28","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.28"}]},{"analyteId":"nitrate","name":"Nitrate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14797-55-8","whatItIs":"A compound from fertilizer runoff, septic systems, and erosion of natural deposits.","whyItMatters":"Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"mg/L","average":{"value":0,"display":"Not detected"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":0},{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"mg/L","average":{"value":0,"display":"Not detected"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"}]}]},{"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":0.05,"low":null,"high":null,"kind":"point","display":"0.05","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","censored":false,"detectionLimit":null,"rawVerbatim":"0.05"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"mg/L","average":{"value":0.05,"display":"0.05"},"range":{"low":0,"high":0.15,"display":"0–0.15"},"ratio":null},{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"mg/L","average":{"value":0,"display":"Not detected"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0.15,"low":0,"high":0.15,"kind":"range","display":"0–0.15","units":"mg/L","statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND - 0.15"},{"value":0.05,"low":null,"high":null,"kind":"point","display":"0.05","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"0.05"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"}]},{"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":7,"low":null,"high":null,"kind":"point","display":"7","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"7.0"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"ug/L","average":{"value":7,"display":"7"},"range":{"low":6.5,"high":7.8,"display":"6.5–7.8"},"ratio":0.7799999999999999},{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"ug/L","average":{"value":0,"display":"Not detected"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":0}],"measurements":[{"value":7,"low":null,"high":null,"kind":"point","display":"7","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"7.0"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"},{"value":7.8,"low":6.5,"high":7.8,"kind":"range","display":"6.5–7.8","units":"ug/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"6.5 - 7.8"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"}]},{"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":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.15"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"mg/L","average":{"value":0.15,"display":"0.15"},"range":{"low":null,"high":null,"display":"0.15"},"ratio":0.075},{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"mg/L","average":{"value":0.12,"display":"0.12"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":0.06}],"measurements":[{"value":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.15"},{"value":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"0.15"},{"value":0.12,"low":null,"high":null,"kind":"point","display":"0.12","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"0.12"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"}]},{"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":0.088,"low":null,"high":null,"kind":"point","display":"0.088","units":"mg/L","statisticType":"p90","samplingContext":"zone:DISTRIBUTION SYSTEM 90%ile","censored":false,"detectionLimit":null,"rawVerbatim":"0.088 (i)"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.088,"low":null,"high":null,"kind":"point","display":"0.088","units":"mg/L","statisticType":"p90","samplingContext":"zone:DISTRIBUTION SYSTEM 90%ile","rawVerbatim":"0.088 (i)"}]},{"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":0.001,"low":null,"high":null,"kind":"point","display":"0.001","units":"ug/L","statisticType":"p90","samplingContext":"zone:DISTRIBUTION SYSTEM 90%ile","censored":false,"detectionLimit":null,"rawVerbatim":"0.001 (i)"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.001,"low":null,"high":null,"kind":"point","display":"0.001","units":"ug/L","statisticType":"p90","samplingContext":"zone:DISTRIBUTION SYSTEM 90%ile","rawVerbatim":"0.001 (i)"}]}]},{"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":"%","statisticType":"average","samplingContext":"zone:Distribution System Average % Positive","censored":false,"detectionLimit":null,"rawVerbatim":"0.0%"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"zone:Distribution System Average % Positive","label":"Distribution System Average % Positive","kind":"zone","units":"%","average":{"value":0,"display":"0"},"range":null,"ratio":null},{"context":"zone:Distribution System Range % Positive","label":"Distribution System Range % Positive","kind":"zone","units":"%","average":null,"range":{"low":null,"high":null,"display":"0"},"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"%","statisticType":"average","samplingContext":"zone:Distribution System Average % Positive","rawVerbatim":"0.0%"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"%","statisticType":"range","samplingContext":"zone:Distribution System Range % Positive","rawVerbatim":"0.0%"}]},{"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":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"%","statisticType":"average","samplingContext":"zone:Distribution System Average % Positive","censored":false,"detectionLimit":null,"rawVerbatim":"1.1%"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"zone:Distribution System Average % Positive","label":"Distribution System Average % Positive","kind":"zone","units":"%","average":{"value":1.1,"display":"1.1"},"range":null,"ratio":null},{"context":"zone:Distribution System Range % Positive","label":"Distribution System Range % Positive","kind":"zone","units":"%","average":null,"range":{"low":0,"high":0.11,"display":"0–0.11"},"ratio":null}],"measurements":[{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"%","statisticType":"average","samplingContext":"zone:Distribution System Average % Positive","rawVerbatim":"1.1%"},{"value":0.11,"low":0,"high":0.11,"kind":"range","display":"0–0.11","units":"%","statisticType":"range","samplingContext":"zone:Distribution System Range % Positive","rawVerbatim":"0.00 - 0.11%"}]}]},{"family":"other","familyLabel":"Other","contaminants":[{"analyteId":"chlorine_total","name":"Chlorine Total","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":1.36,"low":null,"high":null,"kind":"point","display":"1.36","units":"mg/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"1.36"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.2,"low":0.2,"high":2.2,"kind":"range","display":"0.2–2.2","units":"mg/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.20 - 2.2"},{"value":1.36,"low":null,"high":null,"kind":"point","display":"1.36","units":"mg/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"1.36"}]}]},{"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":0.8,"low":null,"high":null,"kind":"point","display":"0.8","units":"NTU","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"0.8"},"federalStandard":null,"status":{"key":"approaching","label":"Approaching the limit"},"breakdowns":[],"measurements":[{"value":1.42,"low":0.22,"high":1.42,"kind":"range","display":"0.22–1.42","units":"NTU","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.22 - 1.42"},{"value":0.8,"low":null,"high":null,"kind":"point","display":"0.8","units":"NTU","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"0.8"}]}]},{"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:MWD's Surface Water","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":5,"units":null,"enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"","average":{"value":0,"display":"Not detected"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":null},{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"","average":{"value":0,"display":"Not detected"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:MWD's Surface Water","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":"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:MWD's Surface Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"range","samplingContext":"plant:MWD's Surface Water","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":0.87,"low":null,"high":null,"kind":"point","display":"0.87","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.87"},"federalStandard":{"type":"MCL","value":15,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"","average":{"value":0,"display":"Not detected"},"range":{"low":0,"high":5,"display":"0–5"},"ratio":null},{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"","average":{"value":0.87,"display":"0.87"},"range":{"low":0,"high":1.7,"display":"0–1.7"},"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"},{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":null,"statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND - 5.0"},{"value":1.7,"low":0,"high":1.7,"kind":"range","display":"0–1.7","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 1.7"},{"value":0.87,"low":null,"high":null,"kind":"point","display":"0.87","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.87"}]},{"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":2,"low":null,"high":null,"kind":"point","display":"2","units":null,"statisticType":"average","samplingContext":"plant:MWD's Surface Water","censored":false,"detectionLimit":null,"rawVerbatim":"2.0"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":null,"statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"2.0"},{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":null,"statisticType":"range","samplingContext":"plant:MWD's Surface Water","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":0.5,"low":null,"high":null,"kind":"point","display":"0.5","units":null,"statisticType":"average","samplingContext":"plant:MWD's Surface Water","censored":false,"detectionLimit":null,"rawVerbatim":"0.5"},"federalStandard":{"type":"MCL","value":20,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"","average":{"value":0.5,"display":"0.5"},"range":{"low":0,"high":3,"display":"0–3"},"ratio":null},{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"","average":{"value":0.46,"display":"0.46"},"range":{"low":0,"high":0.91,"display":"0–0.91"},"ratio":null}],"measurements":[{"value":0.91,"low":0,"high":0.91,"kind":"range","display":"0–0.91","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 0.91"},{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":null,"statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND - 3.0"},{"value":0.46,"low":null,"high":null,"kind":"point","display":"0.46","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.46"},{"value":0.5,"low":null,"high":null,"kind":"point","display":"0.5","units":null,"statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"0.5"}]}]}],"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":8.4,"low":null,"high":null,"kind":"point","display":"8.4","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"8.4"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":8.4,"low":null,"high":null,"kind":"point","display":"8.4","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"8.4"},{"value":10,"low":0,"high":10,"kind":"range","display":"0–10","units":"ug/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.0 - 10.0"}]},{"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":26,"low":null,"high":null,"kind":"point","display":"26","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"26.0"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":34,"low":0,"high":34,"kind":"range","display":"0–34","units":"ug/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.0 - 34.0"},{"value":26,"low":null,"high":null,"kind":"point","display":"26","units":"ug/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"26.0"}]},{"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":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","censored":false,"detectionLimit":null,"rawVerbatim":"0.70"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"mg/L","average":{"value":0.7,"display":"0.7"},"range":{"low":0.3,"high":0.8,"display":"0.3–0.8"},"ratio":0.2},{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"mg/L","average":{"value":0.28,"display":"0.28"},"range":{"low":null,"high":null,"display":"0.28"},"ratio":0.07}],"measurements":[{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"0.70"},{"value":0.28,"low":null,"high":null,"kind":"point","display":"0.28","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"0.28"},{"value":0.8,"low":0.3,"high":0.8,"kind":"range","display":"0.3–0.8","units":"mg/L","statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"0.3 - 0.8"},{"value":0.28,"low":null,"high":null,"kind":"point","display":"0.28","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.28"}]},{"analyteId":"nitrate","name":"Nitrate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14797-55-8","whatItIs":"A compound from fertilizer runoff, septic systems, and erosion of natural deposits.","whyItMatters":"Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"mg/L","average":{"value":0,"display":"Not detected"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":0},{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"mg/L","average":{"value":0,"display":"Not detected"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"}]},{"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":0.05,"low":null,"high":null,"kind":"point","display":"0.05","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","censored":false,"detectionLimit":null,"rawVerbatim":"0.05"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"mg/L","average":{"value":0.05,"display":"0.05"},"range":{"low":0,"high":0.15,"display":"0–0.15"},"ratio":null},{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"mg/L","average":{"value":0,"display":"Not detected"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND"},{"value":0.15,"low":0,"high":0.15,"kind":"range","display":"0–0.15","units":"mg/L","statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND - 0.15"},{"value":0.05,"low":null,"high":null,"kind":"point","display":"0.05","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"0.05"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"ND"}]},{"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":7,"low":null,"high":null,"kind":"point","display":"7","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"7.0"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"ug/L","average":{"value":7,"display":"7"},"range":{"low":6.5,"high":7.8,"display":"6.5–7.8"},"ratio":0.7799999999999999},{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"ug/L","average":{"value":0,"display":"Not detected"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":0}],"measurements":[{"value":7,"low":null,"high":null,"kind":"point","display":"7","units":"ug/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"7.0"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"},{"value":7.8,"low":6.5,"high":7.8,"kind":"range","display":"6.5–7.8","units":"ug/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"6.5 - 7.8"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"}]},{"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":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.15"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"mg/L","average":{"value":0.15,"display":"0.15"},"range":{"low":null,"high":null,"display":"0.15"},"ratio":0.075},{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"mg/L","average":{"value":0.12,"display":"0.12"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":0.06}],"measurements":[{"value":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"mg/L","statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.15"},{"value":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"mg/L","statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"0.15"},{"value":0.12,"low":null,"high":null,"kind":"point","display":"0.12","units":"mg/L","statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"0.12"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"mg/L","statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"}]},{"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":0.088,"low":null,"high":null,"kind":"point","display":"0.088","units":"mg/L","statisticType":"p90","samplingContext":"zone:DISTRIBUTION SYSTEM 90%ile","censored":false,"detectionLimit":null,"rawVerbatim":"0.088 (i)"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.088,"low":null,"high":null,"kind":"point","display":"0.088","units":"mg/L","statisticType":"p90","samplingContext":"zone:DISTRIBUTION SYSTEM 90%ile","rawVerbatim":"0.088 (i)"}]},{"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":0.001,"low":null,"high":null,"kind":"point","display":"0.001","units":"ug/L","statisticType":"p90","samplingContext":"zone:DISTRIBUTION SYSTEM 90%ile","censored":false,"detectionLimit":null,"rawVerbatim":"0.001 (i)"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.001,"low":null,"high":null,"kind":"point","display":"0.001","units":"ug/L","statisticType":"p90","samplingContext":"zone:DISTRIBUTION SYSTEM 90%ile","rawVerbatim":"0.001 (i)"}]},{"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":"%","statisticType":"average","samplingContext":"zone:Distribution System Average % Positive","censored":false,"detectionLimit":null,"rawVerbatim":"0.0%"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"zone:Distribution System Average % Positive","label":"Distribution System Average % Positive","kind":"zone","units":"%","average":{"value":0,"display":"0"},"range":null,"ratio":null},{"context":"zone:Distribution System Range % Positive","label":"Distribution System Range % Positive","kind":"zone","units":"%","average":null,"range":{"low":null,"high":null,"display":"0"},"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"%","statisticType":"average","samplingContext":"zone:Distribution System Average % Positive","rawVerbatim":"0.0%"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"%","statisticType":"range","samplingContext":"zone:Distribution System Range % Positive","rawVerbatim":"0.0%"}]},{"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":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"%","statisticType":"average","samplingContext":"zone:Distribution System Average % Positive","censored":false,"detectionLimit":null,"rawVerbatim":"1.1%"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"zone:Distribution System Average % Positive","label":"Distribution System Average % Positive","kind":"zone","units":"%","average":{"value":1.1,"display":"1.1"},"range":null,"ratio":null},{"context":"zone:Distribution System Range % Positive","label":"Distribution System Range % Positive","kind":"zone","units":"%","average":null,"range":{"low":0,"high":0.11,"display":"0–0.11"},"ratio":null}],"measurements":[{"value":1.1,"low":null,"high":null,"kind":"point","display":"1.1","units":"%","statisticType":"average","samplingContext":"zone:Distribution System Average % Positive","rawVerbatim":"1.1%"},{"value":0.11,"low":0,"high":0.11,"kind":"range","display":"0–0.11","units":"%","statisticType":"range","samplingContext":"zone:Distribution System Range % Positive","rawVerbatim":"0.00 - 0.11%"}]},{"analyteId":"chlorine_total","name":"Chlorine Total","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":1.36,"low":null,"high":null,"kind":"point","display":"1.36","units":"mg/L","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"1.36"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":2.2,"low":0.2,"high":2.2,"kind":"range","display":"0.2–2.2","units":"mg/L","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.20 - 2.2"},{"value":1.36,"low":null,"high":null,"kind":"point","display":"1.36","units":"mg/L","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"1.36"}]},{"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":0.8,"low":null,"high":null,"kind":"point","display":"0.8","units":"NTU","statisticType":"average","samplingContext":"zone:Distribution System","censored":false,"detectionLimit":null,"rawVerbatim":"0.8"},"federalStandard":null,"status":{"key":"approaching","label":"Approaching the limit"},"breakdowns":[],"measurements":[{"value":1.42,"low":0.22,"high":1.42,"kind":"range","display":"0.22–1.42","units":"NTU","statisticType":"range","samplingContext":"zone:Distribution System","rawVerbatim":"0.22 - 1.42"},{"value":0.8,"low":null,"high":null,"kind":"point","display":"0.8","units":"NTU","statisticType":"average","samplingContext":"zone:Distribution System","rawVerbatim":"0.8"}]},{"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:MWD's Surface Water","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":{"type":"MCL","value":5,"units":null,"enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"","average":{"value":0,"display":"Not detected"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":null},{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"","average":{"value":0,"display":"Not detected"},"range":{"low":null,"high":null,"display":"Not detected"},"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:MWD's Surface Water","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":"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:MWD's Surface Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"range","samplingContext":"plant:MWD's Surface Water","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":0.87,"low":null,"high":null,"kind":"point","display":"0.87","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","censored":false,"detectionLimit":null,"rawVerbatim":"0.87"},"federalStandard":{"type":"MCL","value":15,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"","average":{"value":0,"display":"Not detected"},"range":{"low":0,"high":5,"display":"0–5"},"ratio":null},{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"","average":{"value":0.87,"display":"0.87"},"range":{"low":0,"high":1.7,"display":"0–1.7"},"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":null,"statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND"},{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":null,"statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND - 5.0"},{"value":1.7,"low":0,"high":1.7,"kind":"range","display":"0–1.7","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 1.7"},{"value":0.87,"low":null,"high":null,"kind":"point","display":"0.87","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.87"}]},{"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":2,"low":null,"high":null,"kind":"point","display":"2","units":null,"statisticType":"average","samplingContext":"plant:MWD's Surface Water","censored":false,"detectionLimit":null,"rawVerbatim":"2.0"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":null,"statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"2.0"},{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":null,"statisticType":"range","samplingContext":"plant:MWD's Surface Water","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":0.5,"low":null,"high":null,"kind":"point","display":"0.5","units":null,"statisticType":"average","samplingContext":"plant:MWD's Surface Water","censored":false,"detectionLimit":null,"rawVerbatim":"0.5"},"federalStandard":{"type":"MCL","value":20,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:MWD's Surface Water","label":"MWD's Surface Water","kind":"plant","units":"","average":{"value":0.5,"display":"0.5"},"range":{"low":0,"high":3,"display":"0–3"},"ratio":null},{"context":"plant:Groundwater","label":"Groundwater","kind":"plant","units":"","average":{"value":0.46,"display":"0.46"},"range":{"low":0,"high":0.91,"display":"0–0.91"},"ratio":null}],"measurements":[{"value":0.91,"low":0,"high":0.91,"kind":"range","display":"0–0.91","units":null,"statisticType":"range","samplingContext":"plant:Groundwater","rawVerbatim":"ND - 0.91"},{"value":3,"low":0,"high":3,"kind":"range","display":"0–3","units":null,"statisticType":"range","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"ND - 3.0"},{"value":0.46,"low":null,"high":null,"kind":"point","display":"0.46","units":null,"statisticType":"average","samplingContext":"plant:Groundwater","rawVerbatim":"0.46"},{"value":0.5,"low":null,"high":null,"kind":"point","display":"0.5","units":null,"statisticType":"average","samplingContext":"plant:MWD's Surface Water","rawVerbatim":"0.5"}]}]}}