Source document

Tinley Park, IL 2012 Consumer Confidence Report

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

The Tinley Park, 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 Tinley Park, 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