Source document
Gulf Islands National Seashore, FL 2012 Consumer Confidence Report
The original annual drinking-water report. Every number on the Gulf Islands National Seashore, FL water quality page is pulled from this document.
The Gulf Islands National Seashore, FL figures for 2012 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Gulf Islands National Seashore, FL 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