{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-05-26T08:15:55.567Z"},"system":{"slug":"ca_sdwis_edt__CA0410002__2025","name":"Cal-water Service Co.-chico","state":"CA","year":2025,"url":"https://www.thewatermap.com/water/ca/cal-water-service-co-chico/2025","apiUrl":"https://www.thewatermap.com/api/water/ca/cal-water-service-co-chico/2025","markdownUrl":"https://www.thewatermap.com/water/ca/cal-water-service-co-chico/2025/llms.txt","coordinates":{"latitude":39.7284945,"longitude":-121.8374777},"contaminantsMeasured":135,"contaminantsWithFederalLimit":83,"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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pipes.","measured":{"value":10.185714285714287,"low":null,"high":null,"kind":"point","display":"10.185714285714287","units":"MG/L","statisticType":"avg","samplingContext":"entry_point","censored":false,"detectionLimit":null,"rawVerbatim":"avg over 21 samples (DL/2 substitution for 0 non-detects)"},"federalStandard":{"type":"mcl","value":500,"units":"MG/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":44,"low":null,"high":null,"kind":"point","display":"44","units":"MG/L","statisticType":"max_single","samplingContext":"source","rawVerbatim":"max detection 44.0 MG/L on 2025-02-12 (76/76 samples detected)"},{"value":15,"low":null,"high":null,"kind":"point","display":"15","units":"MG/L","statisticType":"max_single","samplingContext":"entry_point","rawVerbatim":"max detection 15.0 MG/L on 2025-05-08 (21/21 samples 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