{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-06-04T01:46:09.501Z"},"system":{"slug":"ca__rowland-water-district__CA1910194__2021","name":"Rowland Water District — Rowland Heights, Ca","state":"CA","year":2021,"url":"https://www.thewatermap.com/water/ca/rowland-water-district-rowland-heights-ca/2021","apiUrl":"https://www.thewatermap.com/api/water/ca/rowland-water-district-rowland-heights-ca/2021","markdownUrl":"https://www.thewatermap.com/water/ca/rowland-water-district-rowland-heights-ca/2021/llms.txt","coordinates":{"latitude":34.0018404,"longitude":-117.9305501},"contaminantsMeasured":22,"contaminantsWithFederalLimit":7,"contaminantsAtOrAboveLimit":1,"contaminantsApproachingLimit":0,"source":{"type":"Consumer Confidence Report (CCR)","description":"Figures are transcribed from the water utility's own annual Consumer Confidence Report, cross-checked by a second model, and approved by a person before publishing."},"families":[{"family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","contaminants":[{"analyteId":"bromate","name":"Bromate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"15541-45-4","whatItIs":"A disinfection byproduct formed when bromide-containing water is treated with ozone.","whyItMatters":"Classified as a probable human carcinogen; the EPA sets a strict maximum contaminant level.","measured":{"value":7.6,"low":0,"high":7.6,"kind":"range","display":"0–7.6","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"ND – 7.6"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":7.6,"low":0,"high":7.6,"kind":"range","display":"0–7.6","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND – 7.6"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"}]},{"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":12.4,"low":0,"high":12.4,"kind":"range","display":"0–12.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","censored":false,"detectionLimit":null,"rawVerbatim":"RWD Distribution System-Wide – 0.0 – 12.4"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.2066666666666667},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.2066666666666667},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.2066666666666667},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.2066666666666667}],"measurements":[{"value":12.4,"low":0,"high":12.4,"kind":"range","display":"0–12.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 0.0 – 12.4"},{"value":7.46,"low":null,"high":null,"kind":"point","display":"7.46","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 7.46"},{"value":12.4,"low":0,"high":12.4,"kind":"range","display":"0–12.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 0.0 – 12.4"},{"value":7.46,"low":null,"high":null,"kind":"point","display":"7.46","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 7.46"},{"value":7.46,"low":null,"high":null,"kind":"point","display":"7.46","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 7.46"},{"value":7.46,"low":null,"high":null,"kind":"point","display":"7.46","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 7.46"},{"value":12.4,"low":0,"high":12.4,"kind":"range","display":"0–12.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 0.0 – 12.4"},{"value":12.4,"low":0,"high":12.4,"kind":"range","display":"0–12.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 0.0 – 12.4"}]},{"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":3.5,"low":0.58,"high":3.5,"kind":"range","display":"0.58–3.5","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":false,"detectionLimit":null,"rawVerbatim":".58 – 3.5"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.5,"low":0.58,"high":3.5,"kind":"range","display":"0.58–3.5","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":".58 – 3.5"}]},{"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":63.3,"low":1.4,"high":63.3,"kind":"range","display":"1.4–63.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","censored":false,"detectionLimit":null,"rawVerbatim":"RWD Distribution System-Wide – 1.4 – 63.3"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.7912499999999999},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.7912499999999999},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.7912499999999999},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.7912499999999999}],"measurements":[{"value":63.3,"low":1.4,"high":63.3,"kind":"range","display":"1.4–63.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 1.4 – 63.3"},{"value":29.88,"low":null,"high":null,"kind":"point","display":"29.88","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 29.88"},{"value":63.3,"low":1.4,"high":63.3,"kind":"range","display":"1.4–63.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 1.4 – 63.3"},{"value":63.3,"low":1.4,"high":63.3,"kind":"range","display":"1.4–63.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 1.4 – 63.3"},{"value":29.88,"low":null,"high":null,"kind":"point","display":"29.88","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 29.88"},{"value":29.88,"low":null,"high":null,"kind":"point","display":"29.88","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 29.88"},{"value":63.3,"low":1.4,"high":63.3,"kind":"range","display":"1.4–63.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 1.4 – 63.3"},{"value":29.88,"low":null,"high":null,"kind":"point","display":"29.88","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 29.88"}]}]},{"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":0.8,"low":0.6,"high":0.8,"kind":"range","display":"0.6–0.8","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"0.6 – 0.8"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.2},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.0775}],"measurements":[{"value":0.31,"low":0.3,"high":0.31,"kind":"range","display":"0.3–0.31","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":".30 –.31"},{"value":0.8,"low":0.6,"high":0.8,"kind":"range","display":"0.6–0.8","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"0.6 – 0.8"}]},{"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":7.5,"low":3,"high":7.5,"kind":"range","display":"3–7.5","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":false,"detectionLimit":null,"rawVerbatim":"3 – 7.5"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.75},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.056999999999999995}],"measurements":[{"value":0.57,"low":0,"high":0.57,"kind":"range","display":"0–0.57","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"ND – .57"},{"value":7.5,"low":3,"high":7.5,"kind":"range","display":"3–7.5","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"3 – 7.5"}]}]},{"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":240,"low":58,"high":240,"kind":"range","display":"58–240","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"58 – 240"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":240,"low":58,"high":240,"kind":"range","display":"58–240","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"58 – 240"}]},{"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":130,"low":120,"high":130,"kind":"range","display":"120–130","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":false,"detectionLimit":null,"rawVerbatim":"120 –130"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":130,"low":120,"high":130,"kind":"range","display":"120–130","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"120 –130"}]},{"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":90,"low":0,"high":90,"kind":"range","display":"0–90","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","censored":false,"detectionLimit":null,"rawVerbatim":"RWD Distribution System-Wide – 36 Samples Collected RWD Distribution System-Wide – 90th Percentile Level = ND RWD Distribution System-Wide – Samples Exceeding Action Level = 0"},"federalStandard":null,"status":{"key":"over","label":"At or above the limit"},"breakdowns":[{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":6},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":6},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":6},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":6}],"measurements":[{"value":90,"low":0,"high":90,"kind":"range","display":"0–90","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 36 Samples Collected RWD Distribution System-Wide – 90th Percentile Level = ND RWD Distribution System-Wide – Samples Exceeding Action Level = 0"},{"value":90,"low":0,"high":90,"kind":"range","display":"0–90","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 36 Samples Collected RWD Distribution System-Wide – 90th Percentile Level = ND RWD Distribution System-Wide – Samples Exceeding Action Level = 0"},{"value":90,"low":0,"high":90,"kind":"range","display":"0–90","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 36 Samples Collected RWD Distribution System-Wide – 90th Percentile Level = ND RWD Distribution System-Wide – Samples Exceeding Action Level = 0"},{"value":90,"low":0,"high":90,"kind":"range","display":"0–90","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 36 Samples Collected RWD Distribution System-Wide – 90th Percentile Level = ND RWD Distribution System-Wide – Samples Exceeding Action Level = 0"}]},{"analyteId":"strontium","name":"Strontium","family":"metal","familyLabel":"Metals","casrn":"7440-24-6","whatItIs":null,"whyItMatters":null,"measured":{"value":0.33,"low":null,"high":null,"kind":"point","display":"0.33","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","censored":false,"detectionLimit":null,"rawVerbatim":"0.330"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":0.33,"low":null,"high":null,"kind":"point","display":"0.33","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"0.330"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","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":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"RWD Distribution System-Wide – 0%"},"federalStandard":{"type":"PHG","value":0,"units":null,"enforceable":false},"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"","average":null,"range":null,"ratio":null},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"","average":null,"range":null,"ratio":null},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"","average":null,"range":null,"ratio":null},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"","average":null,"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 0%"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 0%"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 0%"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 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":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"%","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"RWD Distribution System-Wide – 1.3%"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"%","average":null,"range":null,"ratio":null},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"%","average":null,"range":null,"ratio":null},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"%","average":null,"range":null,"ratio":null},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"%","average":null,"range":null,"ratio":null}],"measurements":[{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"%","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 1.3%"},{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"%","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 1.3%"},{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"%","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 1.3%"},{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"%","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 1.3%"}]}]},{"family":"other","familyLabel":"Other","contaminants":[{"analyteId":"chlorine_total","name":"Chlorine Total","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":2.78,"low":2.43,"high":2.78,"kind":"range","display":"2.43–2.78","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","censored":false,"detectionLimit":null,"rawVerbatim":"RWD Distribution System-Wide – 2.43 – 2.78"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.695},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.695},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.695},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.695}],"measurements":[{"value":2.65,"low":null,"high":null,"kind":"point","display":"2.65","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 2.65"},{"value":2.65,"low":null,"high":null,"kind":"point","display":"2.65","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 2.65"},{"value":2.78,"low":2.43,"high":2.78,"kind":"range","display":"2.43–2.78","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 2.43 – 2.78"},{"value":2.78,"low":2.43,"high":2.78,"kind":"range","display":"2.43–2.78","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 2.43 – 2.78"},{"value":2.65,"low":null,"high":null,"kind":"point","display":"2.65","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 2.65"},{"value":2.78,"low":2.43,"high":2.78,"kind":"range","display":"2.43–2.78","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 2.43 – 2.78"},{"value":2.78,"low":2.43,"high":2.78,"kind":"range","display":"2.43–2.78","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 2.43 – 2.78"},{"value":2.65,"low":null,"high":null,"kind":"point","display":"2.65","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 2.65"}]}]},{"family":"physical_aggregate","familyLabel":"Physical & aggregate","contaminants":[{"analyteId":"toc","name":"TOC","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"Total organic carbon — a measure of organic material dissolved in the water.","whyItMatters":"Not harmful itself, but it is the raw material that forms disinfection byproducts; removal is a treatment requirement.","measured":{"value":2.6,"low":1.7,"high":2.6,"kind":"range","display":"1.7–2.6","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"1.7 – 2.6"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":null},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":2.6,"low":1.7,"high":2.6,"kind":"range","display":"1.7–2.6","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"1.7 – 2.6"},{"value":1.35,"low":null,"high":null,"kind":"point","display":"1.35","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"1.35"},{"value":2.4,"low":null,"high":null,"kind":"point","display":"2.4","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"2.4"},{"value":1.32,"low":1,"high":1.32,"kind":"range","display":"1–1.32","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"1.0 – 1.32"}]},{"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":"%","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","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":"%","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"ND"}]}]},{"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":3.2,"low":2,"high":3.2,"kind":"range","display":"2–3.2","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":false,"detectionLimit":null,"rawVerbatim":"2 – 3.2"},"federalStandard":{"type":"MCL","value":5,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":0.64},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":0.2},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":0.029599999999999998}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":2.7,"low":null,"high":null,"kind":"point","display":"2.7","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"2.7"},{"value":3.2,"low":2,"high":3.2,"kind":"range","display":"2–3.2","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"2 – 3.2"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":0.147,"low":null,"high":null,"kind":"point","display":"0.147","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":".147 (2016)"},{"value":0.148,"low":null,"high":null,"kind":"point","display":"0.148","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":".148 (2016)"},{"value":0.001,"low":null,"high":null,"kind":"point","display":"0.001","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":".001 (2016)"},{"value":1,"low":0,"high":1,"kind":"range","display":"0–1","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND – 1"}]},{"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":7,"low":4,"high":7,"kind":"range","display":"4–7","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"4 – 7"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":6,"low":null,"high":null,"kind":"point","display":"6","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"6"},{"value":5.82,"low":null,"high":null,"kind":"point","display":"5.82","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"5.82"},{"value":7,"low":4,"high":7,"kind":"range","display":"4–7","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"4 – 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":3,"low":1,"high":3,"kind":"range","display":"1–3","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"1 – 3"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"ND"},{"value":3,"low":1,"high":3,"kind":"range","display":"1–3","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"1 – 3"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"2"}]}]},{"family":"voc_pesticide","familyLabel":"VOCs & pesticides","contaminants":[{"analyteId":"dbcp","name":"DBCP","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"96-12-8","whatItIs":"1,2-dibromo-3-chloropropane — a banned soil fumigant pesticide.","whyItMatters":"A probable human carcinogen; long-term exposure above the federal limit can cause reproductive harm.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"ND"}]},{"analyteId":"tetrachloroethylene","name":"Tetrachloroethylene","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"127-18-4","whatItIs":"An industrial solvent (PCE) used in dry cleaning and degreasing.","whyItMatters":"A likely human carcinogen; long-term exposure above the federal limit can damage the liver and kidneys.","measured":{"value":1.1,"low":0,"high":1.1,"kind":"range","display":"0–1.1","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":false,"detectionLimit":null,"rawVerbatim":"ND – 1.1"},"federalStandard":{"type":"MCL","value":5,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.22000000000000003},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"0.15"},{"value":1.1,"low":0,"high":1.1,"kind":"range","display":"0–1.1","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"ND – 1.1"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"ND"}]},{"analyteId":"toluene","name":"Toluene","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"108-88-3","whatItIs":null,"whyItMatters":null,"measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"ND"}]},{"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":0,"high":1.3,"kind":"range","display":"0–1.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":false,"detectionLimit":null,"rawVerbatim":"ND – 1.3"},"federalStandard":{"type":"MCL","value":5,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.26},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0.72,"low":null,"high":null,"kind":"point","display":"0.72","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"0.72"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":1.3,"low":0,"high":1.3,"kind":"range","display":"0–1.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"ND – 1.3"}]}]}],"contaminants":[{"analyteId":"bromate","name":"Bromate","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"15541-45-4","whatItIs":"A disinfection byproduct formed when bromide-containing water is treated with ozone.","whyItMatters":"Classified as a probable human carcinogen; the EPA sets a strict maximum contaminant level.","measured":{"value":7.6,"low":0,"high":7.6,"kind":"range","display":"0–7.6","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"ND – 7.6"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":7.6,"low":0,"high":7.6,"kind":"range","display":"0–7.6","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND – 7.6"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"}]},{"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":12.4,"low":0,"high":12.4,"kind":"range","display":"0–12.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","censored":false,"detectionLimit":null,"rawVerbatim":"RWD Distribution System-Wide – 0.0 – 12.4"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.2066666666666667},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.2066666666666667},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.2066666666666667},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.2066666666666667}],"measurements":[{"value":12.4,"low":0,"high":12.4,"kind":"range","display":"0–12.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 0.0 – 12.4"},{"value":7.46,"low":null,"high":null,"kind":"point","display":"7.46","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 7.46"},{"value":12.4,"low":0,"high":12.4,"kind":"range","display":"0–12.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 0.0 – 12.4"},{"value":7.46,"low":null,"high":null,"kind":"point","display":"7.46","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 7.46"},{"value":7.46,"low":null,"high":null,"kind":"point","display":"7.46","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 7.46"},{"value":7.46,"low":null,"high":null,"kind":"point","display":"7.46","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 7.46"},{"value":12.4,"low":0,"high":12.4,"kind":"range","display":"0–12.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 0.0 – 12.4"},{"value":12.4,"low":0,"high":12.4,"kind":"range","display":"0–12.4","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 0.0 – 12.4"}]},{"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":3.5,"low":0.58,"high":3.5,"kind":"range","display":"0.58–3.5","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":false,"detectionLimit":null,"rawVerbatim":".58 – 3.5"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.5,"low":0.58,"high":3.5,"kind":"range","display":"0.58–3.5","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":".58 – 3.5"}]},{"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":63.3,"low":1.4,"high":63.3,"kind":"range","display":"1.4–63.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","censored":false,"detectionLimit":null,"rawVerbatim":"RWD Distribution System-Wide – 1.4 – 63.3"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.7912499999999999},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.7912499999999999},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.7912499999999999},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.7912499999999999}],"measurements":[{"value":63.3,"low":1.4,"high":63.3,"kind":"range","display":"1.4–63.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 1.4 – 63.3"},{"value":29.88,"low":null,"high":null,"kind":"point","display":"29.88","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 29.88"},{"value":63.3,"low":1.4,"high":63.3,"kind":"range","display":"1.4–63.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 1.4 – 63.3"},{"value":63.3,"low":1.4,"high":63.3,"kind":"range","display":"1.4–63.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 1.4 – 63.3"},{"value":29.88,"low":null,"high":null,"kind":"point","display":"29.88","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 29.88"},{"value":29.88,"low":null,"high":null,"kind":"point","display":"29.88","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 29.88"},{"value":63.3,"low":1.4,"high":63.3,"kind":"range","display":"1.4–63.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 1.4 – 63.3"},{"value":29.88,"low":null,"high":null,"kind":"point","display":"29.88","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 29.88"}]},{"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":0.8,"low":0.6,"high":0.8,"kind":"range","display":"0.6–0.8","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"0.6 – 0.8"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.2},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.0775}],"measurements":[{"value":0.31,"low":0.3,"high":0.31,"kind":"range","display":"0.3–0.31","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":".30 –.31"},{"value":0.8,"low":0.6,"high":0.8,"kind":"range","display":"0.6–0.8","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"0.6 – 0.8"}]},{"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":7.5,"low":3,"high":7.5,"kind":"range","display":"3–7.5","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":false,"detectionLimit":null,"rawVerbatim":"3 – 7.5"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.75},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.056999999999999995}],"measurements":[{"value":0.57,"low":0,"high":0.57,"kind":"range","display":"0–0.57","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"ND – .57"},{"value":7.5,"low":3,"high":7.5,"kind":"range","display":"3–7.5","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"3 – 7.5"}]},{"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":240,"low":58,"high":240,"kind":"range","display":"58–240","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"58 – 240"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":240,"low":58,"high":240,"kind":"range","display":"58–240","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"58 – 240"}]},{"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":130,"low":120,"high":130,"kind":"range","display":"120–130","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":false,"detectionLimit":null,"rawVerbatim":"120 –130"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":130,"low":120,"high":130,"kind":"range","display":"120–130","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"120 –130"}]},{"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":90,"low":0,"high":90,"kind":"range","display":"0–90","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","censored":false,"detectionLimit":null,"rawVerbatim":"RWD Distribution System-Wide – 36 Samples Collected RWD Distribution System-Wide – 90th Percentile Level = ND RWD Distribution System-Wide – Samples Exceeding Action Level = 0"},"federalStandard":null,"status":{"key":"over","label":"At or above the limit"},"breakdowns":[{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":6},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":6},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":6},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":6}],"measurements":[{"value":90,"low":0,"high":90,"kind":"range","display":"0–90","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 36 Samples Collected RWD Distribution System-Wide – 90th Percentile Level = ND RWD Distribution System-Wide – Samples Exceeding Action Level = 0"},{"value":90,"low":0,"high":90,"kind":"range","display":"0–90","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 36 Samples Collected RWD Distribution System-Wide – 90th Percentile Level = ND RWD Distribution System-Wide – Samples Exceeding Action Level = 0"},{"value":90,"low":0,"high":90,"kind":"range","display":"0–90","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 36 Samples Collected RWD Distribution System-Wide – 90th Percentile Level = ND RWD Distribution System-Wide – Samples Exceeding Action Level = 0"},{"value":90,"low":0,"high":90,"kind":"range","display":"0–90","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 36 Samples Collected RWD Distribution System-Wide – 90th Percentile Level = ND RWD Distribution System-Wide – Samples Exceeding Action Level = 0"}]},{"analyteId":"strontium","name":"Strontium","family":"metal","familyLabel":"Metals","casrn":"7440-24-6","whatItIs":null,"whyItMatters":null,"measured":{"value":0.33,"low":null,"high":null,"kind":"point","display":"0.33","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","censored":false,"detectionLimit":null,"rawVerbatim":"0.330"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":0.33,"low":null,"high":null,"kind":"point","display":"0.33","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"0.330"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","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":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"RWD Distribution System-Wide – 0%"},"federalStandard":{"type":"PHG","value":0,"units":null,"enforceable":false},"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"","average":null,"range":null,"ratio":null},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"","average":null,"range":null,"ratio":null},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"","average":null,"range":null,"ratio":null},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"","average":null,"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 0%"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 0%"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 0%"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 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":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"%","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"RWD Distribution System-Wide – 1.3%"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"%","average":null,"range":null,"ratio":null},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"%","average":null,"range":null,"ratio":null},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"%","average":null,"range":null,"ratio":null},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"%","average":null,"range":null,"ratio":null}],"measurements":[{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"%","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 1.3%"},{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"%","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 1.3%"},{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"%","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 1.3%"},{"value":1.3,"low":null,"high":null,"kind":"point","display":"1.3","units":"%","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 1.3%"}]},{"analyteId":"chlorine_total","name":"Chlorine Total","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":2.78,"low":2.43,"high":2.78,"kind":"range","display":"2.43–2.78","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","censored":false,"detectionLimit":null,"rawVerbatim":"RWD Distribution System-Wide – 2.43 – 2.78"},"federalStandard":null,"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.695},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.695},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.695},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":0.695}],"measurements":[{"value":2.65,"low":null,"high":null,"kind":"point","display":"2.65","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 2.65"},{"value":2.65,"low":null,"high":null,"kind":"point","display":"2.65","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 2.65"},{"value":2.78,"low":2.43,"high":2.78,"kind":"range","display":"2.43–2.78","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 2.43 – 2.78"},{"value":2.78,"low":2.43,"high":2.78,"kind":"range","display":"2.43–2.78","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"RWD Distribution System-Wide – 2.43 – 2.78"},{"value":2.65,"low":null,"high":null,"kind":"point","display":"2.65","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 2.65"},{"value":2.78,"low":2.43,"high":2.78,"kind":"range","display":"2.43–2.78","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"RWD Distribution System-Wide – 2.43 – 2.78"},{"value":2.78,"low":2.43,"high":2.78,"kind":"range","display":"2.43–2.78","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 2.43 – 2.78"},{"value":2.65,"low":null,"high":null,"kind":"point","display":"2.65","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"RWD Distribution System-Wide – 2.65"}]},{"analyteId":"toc","name":"TOC","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"Total organic carbon — a measure of organic material dissolved in the water.","whyItMatters":"Not harmful itself, but it is the raw material that forms disinfection byproducts; removal is a treatment requirement.","measured":{"value":2.6,"low":1.7,"high":2.6,"kind":"range","display":"1.7–2.6","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"1.7 – 2.6"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":null},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"mg/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":2.6,"low":1.7,"high":2.6,"kind":"range","display":"1.7–2.6","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"1.7 – 2.6"},{"value":1.35,"low":null,"high":null,"kind":"point","display":"1.35","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"1.35"},{"value":2.4,"low":null,"high":null,"kind":"point","display":"2.4","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"2.4"},{"value":1.32,"low":1,"high":1.32,"kind":"range","display":"1–1.32","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"1.0 – 1.32"}]},{"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":"%","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","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":"%","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"ND"}]},{"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":3.2,"low":2,"high":3.2,"kind":"range","display":"2–3.2","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":false,"detectionLimit":null,"rawVerbatim":"2 – 3.2"},"federalStandard":{"type":"MCL","value":5,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":0.64},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":0.2},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":0.029599999999999998}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":2.7,"low":null,"high":null,"kind":"point","display":"2.7","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"2.7"},{"value":3.2,"low":2,"high":3.2,"kind":"range","display":"2–3.2","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"2 – 3.2"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":0.147,"low":null,"high":null,"kind":"point","display":"0.147","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":".147 (2016)"},{"value":0.148,"low":null,"high":null,"kind":"point","display":"0.148","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":".148 (2016)"},{"value":0.001,"low":null,"high":null,"kind":"point","display":"0.001","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":".001 (2016)"},{"value":1,"low":0,"high":1,"kind":"range","display":"0–1","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND – 1"}]},{"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":7,"low":4,"high":7,"kind":"range","display":"4–7","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"4 – 7"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":6,"low":null,"high":null,"kind":"point","display":"6","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"6"},{"value":5.82,"low":null,"high":null,"kind":"point","display":"5.82","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"5.82"},{"value":7,"low":4,"high":7,"kind":"range","display":"4–7","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"4 – 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":3,"low":1,"high":3,"kind":"range","display":"1–3","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":false,"detectionLimit":null,"rawVerbatim":"1 – 3"},"federalStandard":{"type":"MCL","value":20,"units":"pCi/L","enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"pCi/L","average":null,"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"ND"},{"value":3,"low":1,"high":3,"kind":"range","display":"1–3","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"1 – 3"},{"value":2,"low":null,"high":null,"kind":"point","display":"2","units":"pCi/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"2"}]},{"analyteId":"dbcp","name":"DBCP","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"96-12-8","whatItIs":"1,2-dibromo-3-chloropropane — a banned soil fumigant pesticide.","whyItMatters":"A probable human carcinogen; long-term exposure above the federal limit can cause reproductive harm.","measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ng/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ng/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"ND"}]},{"analyteId":"tetrachloroethylene","name":"Tetrachloroethylene","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"127-18-4","whatItIs":"An industrial solvent (PCE) used in dry cleaning and degreasing.","whyItMatters":"A likely human carcinogen; long-term exposure above the federal limit can damage the liver and kidneys.","measured":{"value":1.1,"low":0,"high":1.1,"kind":"range","display":"0–1.1","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":false,"detectionLimit":null,"rawVerbatim":"ND – 1.1"},"federalStandard":{"type":"MCL","value":5,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.22000000000000003},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":0.15,"low":null,"high":null,"kind":"point","display":"0.15","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"0.15"},{"value":1.1,"low":0,"high":1.1,"kind":"range","display":"0–1.1","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"ND – 1.1"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"ND"}]},{"analyteId":"toluene","name":"Toluene","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"108-88-3","whatItIs":null,"whyItMatters":null,"measured":{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","censored":true,"detectionLimit":null,"rawVerbatim":"ND"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"ND"}]},{"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":0,"high":1.3,"kind":"range","display":"0–1.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","censored":false,"detectionLimit":null,"rawVerbatim":"ND – 1.3"},"federalStandard":{"type":"MCL","value":5,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[{"context":"plant:Imported Groundwater (CDWC)","label":"Imported Groundwater (CDWC)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0.26},{"context":"plant:Groundwater Miramar (TVMWD)","label":"Groundwater Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Surface Water Miramar (TVMWD)","label":"Imported Surface Water Miramar (TVMWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:Imported Surface Water Weymouth (MWD)","label":"Imported Surface Water Weymouth (MWD)","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0.72,"low":null,"high":null,"kind":"point","display":"0.72","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"0.72"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Groundwater Miramar (TVMWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Miramar (TVMWD)","rawVerbatim":"ND"},{"value":0,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Surface Water Weymouth (MWD)","rawVerbatim":"ND"},{"value":1.3,"low":0,"high":1.3,"kind":"range","display":"0–1.3","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:Imported Groundwater (CDWC)","rawVerbatim":"ND – 1.3"}]}]}}