Source document

Core Fx Ingredients, IL 2021 Consumer Confidence Report

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

The Core Fx Ingredients, IL figures for 2021 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Core Fx Ingredients, 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