Source document

Cswa Oliver Spring, OR 2025 Consumer Confidence Report

The original annual drinking-water report. Every number on the Cswa Oliver Spring, OR water quality page is pulled from this document.

The Cswa Oliver Spring, OR figures for 2025 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Cswa Oliver Spring, OR 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