Source document
Harrah, OK 2002 Consumer Confidence Report
The original annual drinking-water report. Every number on the Harrah, OK water quality page is pulled from this document.
The Harrah, OK figures for 2002 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Harrah, 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