Source document
Sontel Water Coop, AZ 2009 Consumer Confidence Report
The original annual drinking-water report. Every number on the Sontel Water Coop, AZ water quality page is pulled from this document.
The Sontel Water Coop, AZ figures for 2009 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Sontel Water Coop, AZ 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