{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-06-12T01:41:45.864Z"},"system":{"slug":"epa_sdwis_lcr__VA4115651__2023","name":"Milford Haven Coast Guard Sta","state":"VA","year":2023,"url":"https://www.thewatermap.com/water/va/milford-haven-coast-guard-sta/2023","apiUrl":"https://www.thewatermap.com/api/water/va/milford-haven-coast-guard-sta/2023","markdownUrl":"https://www.thewatermap.com/water/va/milford-haven-coast-guard-sta/2023/llms.txt","coordinates":{"latitude":37.4766,"longitude":-76.3089},"contaminantsMeasured":1,"contaminantsWithFederalLimit":1,"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":"metal","familyLabel":"Metals","contaminants":[{"analyteId":"lead","name":"Lead","family":"metal","familyLabel":"Metals","casrn":null,"whatItIs":"A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.","whyItMatters":"There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.","measured":{"value":0.0232,"low":null,"high":null,"kind":"point","display":"0.0232","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"lead 90th-percentile 0.0232 mg/L (EPA SDWIS LCR, 2 round(s), 2023)"},"federalStandard":{"type":"AL","value":0.015,"units":"mg/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":0.0232,"low":null,"high":null,"kind":"point","display":"0.0232","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"lead 90th-percentile 0.0232 mg/L (EPA SDWIS LCR, 2 round(s), 2023)"}]}]}],"contaminants":[{"analyteId":"lead","name":"Lead","family":"metal","familyLabel":"Metals","casrn":null,"whatItIs":"A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.","whyItMatters":"There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.","measured":{"value":0.0232,"low":null,"high":null,"kind":"point","display":"0.0232","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"lead 90th-percentile 0.0232 mg/L (EPA SDWIS LCR, 2 round(s), 2023)"},"federalStandard":{"type":"AL","value":0.015,"units":"mg/L","enforceable":true},"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":0.0232,"low":null,"high":null,"kind":"point","display":"0.0232","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"lead 90th-percentile 0.0232 mg/L (EPA SDWIS LCR, 2 round(s), 2023)"}]}]}}