Source document

Buffalo Grove, IL 2017 Consumer Confidence Report

The original annual drinking-water report. Every number on the Buffalo Grove, IL water quality page is pulled from this document.

The Buffalo Grove, IL figures for 2017 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Buffalo Grove, 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