{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-05-26T16:00:04.931Z"},"system":{"slug":"oakland-ebmud-2024--castro-valley","name":"Castro Valley","state":"CA","year":2023,"url":"https://www.thewatermap.com/water/ca/castro-valley/2023","apiUrl":"https://www.thewatermap.com/api/water/ca/castro-valley/2023","markdownUrl":"https://www.thewatermap.com/water/ca/castro-valley/2023/llms.txt","coordinates":{"latitude":37.713606,"longitude":-122.0715658},"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":[]}}