Source document
Poteau Valley Improvement Authority, OK 1992 Consumer Confidence Report
The original annual drinking-water report. Every number on the Poteau Valley Improvement Authority, OK water quality page is pulled from this document.
The Poteau Valley Improvement Authority, OK figures for 1992 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Poteau Valley Improvement Authority, OK 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