Source document

Thornton City of, CO 2024 Consumer Confidence Report

The original annual drinking-water report. Every number on the Thornton City of, CO water quality page is pulled from this document.

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