Source document
Guernsey Co. Water Dept., OH 2002 Consumer Confidence Report
The original annual drinking-water report. Every number on the Guernsey Co. Water Dept., OH water quality page is pulled from this document.
The Guernsey Co. Water Dept., OH figures for 2002 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Guernsey Co. Water Dept., OH 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