Source document
Walker Creek Ranch Educational Center, CA 2010 Consumer Confidence Report
The original annual drinking-water report. Every number on the Walker Creek Ranch Educational Center, CA water quality page is pulled from this document.
The Walker Creek Ranch Educational Center, CA figures for 2010 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Walker Creek Ranch Educational Center, 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