Source document
Mt Lebanon Water System, LA 2021 Consumer Confidence Report
The original annual drinking-water report. Every number on the Mt Lebanon Water System, LA water quality page is pulled from this document.
The Mt Lebanon Water System, LA figures for 2021 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Mt Lebanon 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