Source document
Bartelso, IL 1995 Consumer Confidence Report
The original annual drinking-water report. Every number on the Bartelso, IL water quality page is pulled from this document.
The Bartelso, IL figures for 1995 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Bartelso, IL 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