Source document
Alvina School, CA 2012 Consumer Confidence Report
The original annual drinking-water report. Every number on the Alvina School, CA water quality page is pulled from this document.
The Alvina School, CA figures for 2012 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Alvina School, 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