Source document
Gallatin Gateway School Dist 35, MT 2025 Consumer Confidence Report
The original annual drinking-water report. Every number on the Gallatin Gateway School Dist 35, MT water quality page is pulled from this document.
The Gallatin Gateway School Dist 35, MT figures for 2025 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Gallatin Gateway School Dist 35, MT 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