Source document
Heber Dwid, AZ 2015 Consumer Confidence Report
The original annual drinking-water report. Every number on the Heber Dwid, AZ water quality page is pulled from this document.
The Heber Dwid, AZ figures for 2015 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Heber Dwid, 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