Source document
City of Opelousas Water System, LA 2014 Consumer Confidence Report
The original annual drinking-water report. Every number on the City of Opelousas Water System, LA water quality page is pulled from this document.
The City of Opelousas Water System, LA figures for 2014 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the City of Opelousas Water System, 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