Source document
Croppers 1st 4th and 5th Addition, IL 2001 Consumer Confidence Report
The original annual drinking-water report. Every number on the Croppers 1st 4th and 5th Addition, IL water quality page is pulled from this document.
The Croppers 1st 4th and 5th Addition, IL figures for 2001 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Croppers 1st 4th and 5th Addition, 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