Source document
Lake Iroquois Association, IL 2003 Consumer Confidence Report
The original annual drinking-water report. Every number on the Lake Iroquois Association, IL water quality page is pulled from this document.
The Lake Iroquois Association, IL figures for 2003 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Lake Iroquois Association, 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