Source document

Water Werks, IL 2011 Consumer Confidence Report

The original annual drinking-water report. Every number on the Water Werks, IL water quality page is pulled from this document.

The Water Werks, IL figures for 2011 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Water Werks, 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