Source document

Portage Waterworks, WI 2020 Consumer Confidence Report

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

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