Source document
Logan, City of, OH 1998 Consumer Confidence Report
The original annual drinking-water report. Every number on the Logan, City of, OH water quality page is pulled from this document.
The Logan, City of, OH figures for 1998 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Logan, City of, 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