Source document

Oakwood Estates, IL 2020 Consumer Confidence Report

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

The Oakwood Estates, IL figures for 2020 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Oakwood Estates, 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