Source document
Midland High School, IL 2020 Consumer Confidence Report
The original annual drinking-water report. Every number on the Midland High School, IL water quality page is pulled from this document.
The Midland High School, IL figures for 2020 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Midland High School, 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