Source document
Diamond Lake School, IL 1995 Consumer Confidence Report
The original annual drinking-water report. Every number on the Diamond Lake School, IL water quality page is pulled from this document.
The Diamond Lake School, IL figures for 1995 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Diamond Lake 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