Source document
Phelps Vineyards, CA 2016 Consumer Confidence Report
The original annual drinking-water report. Every number on the Phelps Vineyards, CA water quality page is pulled from this document.
The Phelps Vineyards, CA figures for 2016 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Phelps Vineyards, CA water quality page is transcribed from that public dataset, and you can verify it against the same source below.
View the source dataset ↗https://echo.epa.gov/tools/data-downloads/sdwa-download-summary