Source document

Cahokia Heights, IL 2022 Consumer Confidence Report

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

The Cahokia Heights, IL figures for 2022 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Cahokia Heights, 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