Source document
Silver Bell Army Heliport, AZ 2019 Consumer Confidence Report
The original annual drinking-water report. Every number on the Silver Bell Army Heliport, AZ water quality page is pulled from this document.
The Silver Bell Army Heliport, AZ figures for 2019 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Silver Bell Army Heliport, 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