The Water Map

Source document

Knolls Water Cooperative, WI 2018 Consumer Confidence Report

The original annual drinking-water report. Every number on the Knolls Water Cooperative, WI water quality page is pulled from this document.

The Knolls Water Cooperative, WI figures for 2018 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Knolls Water Cooperative, WI 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