Source document
Illinois City Elementary Schoo, IL 2018 Consumer Confidence Report
The original annual drinking-water report. Every number on the Illinois City Elementary Schoo, IL water quality page is pulled from this document.
The Illinois City Elementary Schoo, IL figures for 2018 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Illinois City Elementary Schoo, 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