{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-05-27T02:52:20.081Z"},"system":{"slug":"ca__walnut-valley-water-district__CA1910234","name":"Walnut Valley Water District — Walnut, Ca","state":"CA","year":2021,"url":"https://www.thewatermap.com/water/ca/walnut-valley-water-district-walnut-ca/2021","apiUrl":"https://www.thewatermap.com/api/water/ca/walnut-valley-water-district-walnut-ca/2021","markdownUrl":"https://www.thewatermap.com/water/ca/walnut-valley-water-district-walnut-ca/2021/llms.txt","coordinates":{"latitude":34.0203253,"longitude":-117.8659441},"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":[]}}