Source document
La Grange Park, IL 2002 Consumer Confidence Report
The original annual drinking-water report. Every number on the La Grange Park, IL water quality page is pulled from this document.
The La Grange Park, 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 La Grange 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