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