Source document
Ifh Group, IL 2000 Consumer Confidence Report
The original annual drinking-water report. Every number on the Ifh Group, IL water quality page is pulled from this document.
The Ifh Group, IL figures for 2000 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Ifh Group, 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