{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-05-25T20:04:54.933Z"},"system":{"slug":"md__calvert__0040009-Beaches-Water","name":"Beaches Water","state":"MD","year":2024,"url":"https://www.thewatermap.com/water/md/beaches-water/2024","apiUrl":"https://www.thewatermap.com/api/water/md/beaches-water/2024","markdownUrl":"https://www.thewatermap.com/water/md/beaches-water/2024/llms.txt","coordinates":{"latitude":38.5182,"longitude":-76.5088},"contaminantsMeasured":14,"contaminantsWithFederalLimit":14,"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":"disinfectant","familyLabel":"Disinfectants","contaminants":[{"analyteId":"chlorine","name":"Chlorine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A disinfectant added to drinking water to kill bacteria and viruses.","whyItMatters":"Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.","measured":{"value":0.8,"low":null,"high":null,"kind":"point","display":"0.8","units":"mg/L","statisticType":"running_annual_avg","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.8"},"federalStandard":{"type":"MRDL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.8,"low":null,"high":null,"kind":"point","display":"0.8","units":"mg/L","statisticType":"running_annual_avg","samplingContext":"system","rawVerbatim":"0.8"},{"value":1.1,"low":0.3,"high":1.1,"kind":"range","display":"0.3–1.1","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.3 - 1.1"}]}]},{"family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","contaminants":[{"analyteId":"dibromochloromethane","name":"Dibromochloromethane","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"124-48-1","whatItIs":"A trihalomethane disinfection byproduct.","whyItMatters":"Part of regulated total trihalomethanes; long-term exposure is linked to nervous-system, liver, and kidney effects.","measured":{"value":0.00096,"low":0,"high":0.00096,"kind":"range","display":"0–0.00096","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0 - 0.00096"},"federalStandard":{"type":"MCL","value":0.1,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.00096,"low":0,"high":0.00096,"kind":"range","display":"0–0.00096","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 0.00096"},{"value":0.00096,"low":null,"high":null,"kind":"point","display":"0.00096","units":"mg/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.00096"}]},{"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":0,"low":0,"high":0,"kind":"range","display":"0–0","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0 - 0"},"federalStandard":{"type":"MCL","value":60,"units":"ug/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":0,"high":0,"kind":"range","display":"0–0","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"ug/L","statisticType":"running_annual_avg","samplingContext":"system","rawVerbatim":"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":3,"low":null,"high":null,"kind":"point","display":"3","units":"ug/L","statisticType":"running_annual_avg","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3"},"federalStandard":{"type":"MCL","value":80,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3,"low":null,"high":null,"kind":"point","display":"3","units":"ug/L","statisticType":"running_annual_avg","samplingContext":"system","rawVerbatim":"3"},{"value":3.1,"low":3.1,"high":3.1,"kind":"range","display":"3.1–3.1","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"3.1 - 3.1"}]}]},{"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":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"mg/L","statisticType":"max_single","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.2"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"mg/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.2"},{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.2"}]}]},{"family":"metal","familyLabel":"Metals","contaminants":[{"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":10.9,"low":null,"high":null,"kind":"point","display":"10.9","units":"ug/L","statisticType":"max_single","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"10.9"},"federalStandard":{"type":"MCL","value":10,"units":"ug/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":10.9,"low":null,"high":null,"kind":"point","display":"10.9","units":"ug/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"10.9"},{"value":10.9,"low":4.6,"high":10.9,"kind":"range","display":"4.6–10.9","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"4.6 - 10.9"}]},{"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":0.0066,"low":null,"high":null,"kind":"point","display":"0.0066","units":"mg/L","statisticType":"max_single","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.0066"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.0066,"low":null,"high":null,"kind":"point","display":"0.0066","units":"mg/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.0066"},{"value":0.0066,"low":0,"high":0.0066,"kind":"range","display":"0–0.0066","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 0.0066"}]},{"analyteId":"chromium_total","name":"Chromium, Total","family":"metal","familyLabel":"Metals","casrn":"7440-47-3","whatItIs":"Total chromium — the sum of all chromium forms, from natural deposits and industrial discharge.","whyItMatters":"Long-term exposure above the federal limit can cause allergic dermatitis; includes hexavalent chromium.","measured":{"value":3.4,"low":null,"high":null,"kind":"point","display":"3.4","units":"ug/L","statisticType":"max_single","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3.4"},"federalStandard":{"type":"MCL","value":100,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3.4,"low":null,"high":null,"kind":"point","display":"3.4","units":"ug/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"3.4"},{"value":3.4,"low":0,"high":3.4,"kind":"range","display":"0–3.4","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 3.4"}]},{"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":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"p90","samplingContext":"zone:90TH Percentile: 90% of your water utility levels were less than","censored":false,"detectionLimit":null,"rawVerbatim":"0.7"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"mg/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"ND (<.05) – 0.7"},{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"p90","samplingContext":"zone:90TH Percentile: 90% of your water utility levels were less than","rawVerbatim":"0.7"}]},{"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":2.5,"low":null,"high":null,"kind":"point","display":"2.5","units":"ug/L","statisticType":"p90","samplingContext":"zone:90TH Percentile: 90% of your water utility levels were less than","censored":false,"detectionLimit":null,"rawVerbatim":"2.5"},"federalStandard":{"type":"AL","value":15,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"ug/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"ND (<5) – 2.5"},{"value":2.5,"low":null,"high":null,"kind":"point","display":"2.5","units":"ug/L","statisticType":"p90","samplingContext":"zone:90TH Percentile: 90% of your water utility levels were less than","rawVerbatim":"2.5"}]},{"analyteId":"nickel","name":"Nickel","family":"metal","familyLabel":"Metals","casrn":"7440-02-0","whatItIs":"A metal from natural deposits and industrial discharge.","whyItMatters":"Long-term exposure can cause skin and other effects; monitored under EPA rules.","measured":{"value":0.0011,"low":0,"high":0.0011,"kind":"range","display":"0–0.0011","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0 - 0.0011"},"federalStandard":{"type":"MCL","value":0.1,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.0011,"low":0,"high":0.0011,"kind":"range","display":"0–0.0011","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 0.0011"},{"value":0.0011,"low":null,"high":null,"kind":"point","display":"0.0011","units":"mg/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.0011"}]}]},{"family":"radionuclide","familyLabel":"Radionuclides","contaminants":[{"analyteId":"combined_radium","name":"Combined Radium","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Combined radium-226 and radium-228 — naturally occurring radioactive elements.","whyItMatters":"Long-term exposure above the federal limit increases the risk of bone cancer.","measured":{"value":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"pCi/L","statisticType":"max","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1.4"},"federalStandard":{"type":"MCL","value":5,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.2"},{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"pCi/L","statisticType":"max","samplingContext":"system","rawVerbatim":"0.2"},{"value":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"pCi/L","statisticType":"max","samplingContext":"system","rawVerbatim":"1.4"},{"value":1.4,"low":0,"high":1.4,"kind":"range","display":"0–1.4","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 1.4"},{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.2"},{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"pCi/L","statisticType":"max","samplingContext":"system","rawVerbatim":"0.2"}]},{"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":17,"low":10.3,"high":17,"kind":"range","display":"10.3–17","units":"pCi/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"10.3 - 17"},"federalStandard":{"type":"MCL","value":50,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":17,"low":10.3,"high":17,"kind":"range","display":"10.3–17","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"10.3 - 17"},{"value":17,"low":null,"high":null,"kind":"point","display":"17","units":"pCi/L","statisticType":"max","samplingContext":"system","rawVerbatim":"17"}]}]},{"family":"voc_pesticide","familyLabel":"VOCs & pesticides","contaminants":[{"analyteId":"toluene","name":"Toluene","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"108-88-3","whatItIs":null,"whyItMatters":null,"measured":{"value":0.00056,"low":0,"high":0.00056,"kind":"range","display":"0–0.00056","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0 - 0.00056"},"federalStandard":{"type":"MCL","value":1,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.00056,"low":0,"high":0.00056,"kind":"range","display":"0–0.00056","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 0.00056"},{"value":0.00056,"low":null,"high":null,"kind":"point","display":"0.00056","units":"mg/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.00056"}]}]}],"contaminants":[{"analyteId":"chlorine","name":"Chlorine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A disinfectant added to drinking water to kill bacteria and viruses.","whyItMatters":"Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.","measured":{"value":0.8,"low":null,"high":null,"kind":"point","display":"0.8","units":"mg/L","statisticType":"running_annual_avg","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.8"},"federalStandard":{"type":"MRDL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.8,"low":null,"high":null,"kind":"point","display":"0.8","units":"mg/L","statisticType":"running_annual_avg","samplingContext":"system","rawVerbatim":"0.8"},{"value":1.1,"low":0.3,"high":1.1,"kind":"range","display":"0.3–1.1","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.3 - 1.1"}]},{"analyteId":"dibromochloromethane","name":"Dibromochloromethane","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":"124-48-1","whatItIs":"A trihalomethane disinfection byproduct.","whyItMatters":"Part of regulated total trihalomethanes; long-term exposure is linked to nervous-system, liver, and kidney effects.","measured":{"value":0.00096,"low":0,"high":0.00096,"kind":"range","display":"0–0.00096","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0 - 0.00096"},"federalStandard":{"type":"MCL","value":0.1,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.00096,"low":0,"high":0.00096,"kind":"range","display":"0–0.00096","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 0.00096"},{"value":0.00096,"low":null,"high":null,"kind":"point","display":"0.00096","units":"mg/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.00096"}]},{"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":0,"low":0,"high":0,"kind":"range","display":"0–0","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0 - 0"},"federalStandard":{"type":"MCL","value":60,"units":"ug/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":0,"high":0,"kind":"range","display":"0–0","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"ug/L","statisticType":"running_annual_avg","samplingContext":"system","rawVerbatim":"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":3,"low":null,"high":null,"kind":"point","display":"3","units":"ug/L","statisticType":"running_annual_avg","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3"},"federalStandard":{"type":"MCL","value":80,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3,"low":null,"high":null,"kind":"point","display":"3","units":"ug/L","statisticType":"running_annual_avg","samplingContext":"system","rawVerbatim":"3"},{"value":3.1,"low":3.1,"high":3.1,"kind":"range","display":"3.1–3.1","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"3.1 - 3.1"}]},{"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":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"mg/L","statisticType":"max_single","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.2"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"mg/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.2"},{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.2"}]},{"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":10.9,"low":null,"high":null,"kind":"point","display":"10.9","units":"ug/L","statisticType":"max_single","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"10.9"},"federalStandard":{"type":"MCL","value":10,"units":"ug/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":10.9,"low":null,"high":null,"kind":"point","display":"10.9","units":"ug/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"10.9"},{"value":10.9,"low":4.6,"high":10.9,"kind":"range","display":"4.6–10.9","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"4.6 - 10.9"}]},{"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":0.0066,"low":null,"high":null,"kind":"point","display":"0.0066","units":"mg/L","statisticType":"max_single","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.0066"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.0066,"low":null,"high":null,"kind":"point","display":"0.0066","units":"mg/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.0066"},{"value":0.0066,"low":0,"high":0.0066,"kind":"range","display":"0–0.0066","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 0.0066"}]},{"analyteId":"chromium_total","name":"Chromium, Total","family":"metal","familyLabel":"Metals","casrn":"7440-47-3","whatItIs":"Total chromium — the sum of all chromium forms, from natural deposits and industrial discharge.","whyItMatters":"Long-term exposure above the federal limit can cause allergic dermatitis; includes hexavalent chromium.","measured":{"value":3.4,"low":null,"high":null,"kind":"point","display":"3.4","units":"ug/L","statisticType":"max_single","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3.4"},"federalStandard":{"type":"MCL","value":100,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3.4,"low":null,"high":null,"kind":"point","display":"3.4","units":"ug/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"3.4"},{"value":3.4,"low":0,"high":3.4,"kind":"range","display":"0–3.4","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 3.4"}]},{"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":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"p90","samplingContext":"zone:90TH Percentile: 90% of your water utility levels were less than","censored":false,"detectionLimit":null,"rawVerbatim":"0.7"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"mg/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"ND (<.05) – 0.7"},{"value":0.7,"low":null,"high":null,"kind":"point","display":"0.7","units":"mg/L","statisticType":"p90","samplingContext":"zone:90TH Percentile: 90% of your water utility levels were less than","rawVerbatim":"0.7"}]},{"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":2.5,"low":null,"high":null,"kind":"point","display":"2.5","units":"ug/L","statisticType":"p90","samplingContext":"zone:90TH Percentile: 90% of your water utility levels were less than","censored":false,"detectionLimit":null,"rawVerbatim":"2.5"},"federalStandard":{"type":"AL","value":15,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":5,"low":0,"high":5,"kind":"range","display":"0–5","units":"ug/L","statisticType":"range","samplingContext":"at_the_tap","rawVerbatim":"ND (<5) – 2.5"},{"value":2.5,"low":null,"high":null,"kind":"point","display":"2.5","units":"ug/L","statisticType":"p90","samplingContext":"zone:90TH Percentile: 90% of your water utility levels were less than","rawVerbatim":"2.5"}]},{"analyteId":"nickel","name":"Nickel","family":"metal","familyLabel":"Metals","casrn":"7440-02-0","whatItIs":"A metal from natural deposits and industrial discharge.","whyItMatters":"Long-term exposure can cause skin and other effects; monitored under EPA rules.","measured":{"value":0.0011,"low":0,"high":0.0011,"kind":"range","display":"0–0.0011","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0 - 0.0011"},"federalStandard":{"type":"MCL","value":0.1,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.0011,"low":0,"high":0.0011,"kind":"range","display":"0–0.0011","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 0.0011"},{"value":0.0011,"low":null,"high":null,"kind":"point","display":"0.0011","units":"mg/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.0011"}]},{"analyteId":"combined_radium","name":"Combined Radium","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Combined radium-226 and radium-228 — naturally occurring radioactive elements.","whyItMatters":"Long-term exposure above the federal limit increases the risk of bone cancer.","measured":{"value":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"pCi/L","statisticType":"max","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"1.4"},"federalStandard":{"type":"MCL","value":5,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.2"},{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"pCi/L","statisticType":"max","samplingContext":"system","rawVerbatim":"0.2"},{"value":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"pCi/L","statisticType":"max","samplingContext":"system","rawVerbatim":"1.4"},{"value":1.4,"low":0,"high":1.4,"kind":"range","display":"0–1.4","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 1.4"},{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.2"},{"value":0.2,"low":null,"high":null,"kind":"point","display":"0.2","units":"pCi/L","statisticType":"max","samplingContext":"system","rawVerbatim":"0.2"}]},{"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":17,"low":10.3,"high":17,"kind":"range","display":"10.3–17","units":"pCi/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"10.3 - 17"},"federalStandard":{"type":"MCL","value":50,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":17,"low":10.3,"high":17,"kind":"range","display":"10.3–17","units":"pCi/L","statisticType":"range","samplingContext":"system","rawVerbatim":"10.3 - 17"},{"value":17,"low":null,"high":null,"kind":"point","display":"17","units":"pCi/L","statisticType":"max","samplingContext":"system","rawVerbatim":"17"}]},{"analyteId":"toluene","name":"Toluene","family":"voc_pesticide","familyLabel":"VOCs & pesticides","casrn":"108-88-3","whatItIs":null,"whyItMatters":null,"measured":{"value":0.00056,"low":0,"high":0.00056,"kind":"range","display":"0–0.00056","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0 - 0.00056"},"federalStandard":{"type":"MCL","value":1,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.00056,"low":0,"high":0.00056,"kind":"range","display":"0–0.00056","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0 - 0.00056"},{"value":0.00056,"low":null,"high":null,"kind":"point","display":"0.00056","units":"mg/L","statisticType":"max_single","samplingContext":"system","rawVerbatim":"0.00056"}]}]}}