{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-07-10T10:38:17.206Z"},"system":{"slug":"ca_sdwis_edt__CA0710003__2023","name":"Contra Costa Water District","state":"CA","year":2023,"url":"https://www.thewatermap.com/water/ca/contra-costa-water-district/2023","apiUrl":"https://www.thewatermap.com/api/water/ca/contra-costa-water-district/2023","markdownUrl":"https://www.thewatermap.com/water/ca/contra-costa-water-district/2023/llms.txt","coordinates":{"latitude":37.9768525,"longitude":-122.0335624},"contaminantsMeasured":0,"contaminantsWithFederalLimit":0,"contaminantsAtOrAboveLimit":0,"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":[],"contaminants":[]}}