Source document
Colyell Community Water, LA 2015 Consumer Confidence Report
The original annual drinking-water report. Every number on the Colyell Community Water, LA water quality page is pulled from this document.
The Colyell Community Water, LA figures for 2015 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Colyell Community Water, LA 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