Source document

Hayfield Water Works, MO 2024 Consumer Confidence Report

The original annual drinking-water report. Every number on the Hayfield Water Works, MO water quality page is pulled from this document.

The Hayfield Water Works, MO figures for 2024 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Hayfield Water Works, MO 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