Source document

Williamsfield, IL 2012 Consumer Confidence Report

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

The Williamsfield, IL figures for 2012 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Williamsfield, 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