Source document
Copco Lake Mwc, CA 2005 Consumer Confidence Report
The original annual drinking-water report. Every number on the Copco Lake Mwc, CA water quality page is pulled from this document.
The Copco Lake Mwc, CA figures for 2005 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Copco Lake Mwc, CA 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