County · Montana
Glacier County, Montana: drinking water records
This overview covers 4 ZIP codes and 12 community water systems in Glacier County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Hidden Lake Colony MT0003932 | 80 | 0 | 0 | 2 | 0 ppb |
| Cut Bank City of MT0000193 | 3,105 | 0 | 0 | 0 | 0 ppb |
| St Mary Headquarters and Cg MT0002729 | 1,030 | 0 | 0 | 0 | 10 ppb |
| Cut Bank North Water District MT0000619 | 478 | 0 | 0 | 0 | 2 ppb |
| Glendale Colony MT0001648 | 150 | 0 | 0 | 0 | 5 ppb |
| Horizon Colony MT0004529 | 150 | 0 | 0 | 0 | 0 ppb |
| Seville Colony MT0002974 | 116 | 0 | 0 | 0 | 0 ppb |
| Big Sky Colony Cut Bank MT0001647 | 107 | 0 | 0 | 0 | 0 ppb |
| Piegan Border Station MT0003334 | 94 | 0 | 0 | 0 | 2 ppb |
| Glacier Colony MT0000566 | 80 | 0 | 0 | 0 | 0 ppb |
| Zenith Colony MT0004768 | 70 | 0 | 0 | 0 | 0 ppb |
| Ncmrwa Etheridge To Cutbank MT0004993 | 25 | 0 | 0 | 0 | 3 ppb |
ZIP reports in Glacier County
No ZIP report in this county is published yet.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.