Source document

Oak Lawn, IL 2002 Consumer Confidence Report

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

The Oak Lawn, IL figures for 2002 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Oak Lawn, 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