Source document
Coyne Center Coop, IL 2019 Consumer Confidence Report
The original annual drinking-water report. Every number on the Coyne Center Coop, IL water quality page is pulled from this document.
The Coyne Center Coop, IL figures for 2019 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Coyne Center Coop, 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