{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-06-12T05:15:50.793Z"},"system":{"slug":"epa_sdwis_lcr__CA1900062__2022","name":"Los Angeles Residential Community Founda","state":"CA","year":2022,"url":"https://www.thewatermap.com/water/ca/los-angeles-residential-community-founda/2022","apiUrl":"https://www.thewatermap.com/api/water/ca/los-angeles-residential-community-founda/2022","markdownUrl":"https://www.thewatermap.com/water/ca/los-angeles-residential-community-founda/2022/llms.txt","coordinates":{"latitude":34.4336,"longitude":-118.5007},"contaminantsMeasured":2,"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,"low":null,"high":null,"kind":"point","display":"0","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"lead 90th-percentile 0.0 mg/L (EPA SDWIS LCR, 1 round(s), 2022)"},"federalStandard":{"type":"AL","value":0.015,"units":"mg/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"lead 90th-percentile 0.0 mg/L (EPA SDWIS LCR, 1 round(s), 2022)"}]}]},{"family":"physical_aggregate","familyLabel":"Physical & aggregate","contaminants":[{"analyteId":"turbidity","name":"Turbidity","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of cloudiness from suspended particles in the water.","whyItMatters":"High turbidity can shelter microbes from disinfection; the EPA enforces it through a treatment-technique standard.","measured":{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"NTU","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"Turbidity of the filtered water must: 1 – Be less than or equal to [Enter Turbidity Performance Standard to Be Less Than or Equal to 95% of Measurements in a Month] NTU in 95% of measurements in a month. 2 – Not exceed [Enter Turbidity Performance Standard Not to Be Exceeded for More Than Eight Consecutive Hours]"},"federalStandard":null,"status":{"key":"over","label":"At or above the limit"},"breakdowns":[],"measurements":[{"value":1,"low":null,"high":null,"kind":"point","display":"1","units":"NTU","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"Turbidity of the filtered water must: 1 – Be less than or equal to [Enter Turbidity Performance Standard to Be Less Than or Equal to 95% of Measurements in a Month] NTU in 95% of measurements in a month. 2 – Not exceed [Enter Turbidity Performance Standard Not to Be Exceeded for More Than Eight Consecutive Hours]"}]}]}],"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. 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