Source document

Knolls Edge Subdivision, IL 2019 Consumer Confidence Report

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

The Knolls Edge Subdivision, IL figures for 2019 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Knolls Edge Subdivision, 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