Source document
Fond Du Lac Waterworks, WI 2018 Consumer Confidence Report
The original annual drinking-water report. Every number on the Fond Du Lac Waterworks, WI water quality page is pulled from this document.
The Fond Du Lac Waterworks, 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 Fond Du Lac 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