{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-05-26T08:05:12.418Z"},"system":{"slug":"ca_sdwis_edt__CA3010092__2025","name":"Irvine Ranch Water District","state":"CA","year":2025,"url":"https://www.thewatermap.com/water/ca/irvine-ranch-water-district/2025","apiUrl":"https://www.thewatermap.com/api/water/ca/irvine-ranch-water-district/2025","markdownUrl":"https://www.thewatermap.com/water/ca/irvine-ranch-water-district/2025/llms.txt","coordinates":{"latitude":33.6856969,"longitude":-117.825981},"contaminantsMeasured":117,"contaminantsWithFederalLimit":67,"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 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national enforceable limit but is regulated in some states.","measured":{"value":1.8301492537313433,"low":null,"high":null,"kind":"point","display":"1.8301492537313433","units":"UG/L","statisticType":"avg","samplingContext":"source","censored":false,"detectionLimit":null,"rawVerbatim":"avg over 67 samples (DL/2 substitution for 31 non-detects)"},"federalStandard":{"type":"mcl","value":6,"units":"UG/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":4.2,"low":null,"high":null,"kind":"point","display":"4.2","units":"UG/L","statisticType":"max_single","samplingContext":"source","rawVerbatim":"max detection 4.2 UG/L on 2025-04-21 (36/67 samples detected)"},{"value":4.1,"low":null,"high":null,"kind":"point","display":"4.1","units":"UG/L","statisticType":"max_single","samplingContext":"entry_point","rawVerbatim":"max detection 4.1 UG/L on 2025-04-21 (21/48 samples 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