We found 53 public water systems that could serve the same population as Buttrey's - Glasgow (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Glasgow Water Conditioning | County of Valley | 3,500 | 0 | 0 |
| Glasgow City Of | Glasgow | 3,253 | 0 | 15 |
| Fort Peck Town Of | Fort Peck | 663 | 0 | 0 |
| Fort Peck Rural County Water District | Fort Peck | 663 | 0 | 6 |
| North Valley County Water And Sewer Dist | St Marie | 450 | 0 | 4 |
| Dry Prairie Valley County | Glasgow | 400 | 0 | 2 |
| Frazer Water Users Assn | County of Valley | 400 | 0 | 0 |
| 779 Radar Squadron | County of Valley | 350 | 0 | 0 |
| Nashua Town Of | Nashua | 300 | 0 | 20 |
| Ryegate Town Of | Ryegate | 270 | 0 | 278 |
| Vandalia Glasgow West Rest | Glasgow | 250 | 0 | 19 |
| Hinsdale Water Department | Hinsdale | 250 | 0 | 29 |
| Big Valley Water Inc | Glasgow | 200 | 0 | 28 |
| Cherry Creek Wua Glasgow | Glasgow | 180 | 0 | 9 |
| Side Of The Road Trailer Park | Nashua | 144 | 0 | 0 |
| Opheim Town Of | Opheim | 111 | 0 | 0 |
| Lavina Crossing Cafe | Lavina | 100 | 0 | 0 |
| Lavina School District | Lavina | 94 | 0 | 0 |
| Golden Valley Colony | Ryegate | 85 | 0 | 0 |
| Golden Valley Colony | County of Golden Valley | 75 | 0 | 0 |
| Opheim Border Station | Opheim | 69 | 0 | 0 |
| Trails West Trailer Court | Glasgow | 68 | 0 | 0 |
| Montana Aviation Research Co | Glasgow | 62 | 0 | 0 |
| Golden Valley Colony | County of Golden Valley | 50 | 0 | 0 |
| Gateway Inn Fort Peck | Fort Peck | 50 | 0 | 0 |
| Aces And Eights Casino | Glasgow | 50 | 0 | 0 |
| Country Manor Estates | County of Valley | 50 | 0 | 0 |
| The Roost Glasgow | County of Valley | 50 | 0 | 0 |
| Silver Dollar Bar | Richland | 50 | 0 | 0 |
| Duck Creek Supper Club Ft Peck | County of Valley | 50 | 0 | 0 |
| Cozy Corner Bar | Lavina | 50 | 0 | 0 |
| Hell Creek Marina | Fort Peck | 50 | 0 | 0 |
| Lustre Grade School Dist No 23 | Lustre | 40 | 0 | 0 |
| Lustre Christian High School | Lustre | 32 | 0 | 0 |
| Lakeridge Motel And Rv Park | Glasgow | 30 | 0 | 0 |
| Waterhole #3 | County of Golden Valley | 30 | 0 | 0 |
| Buckhorn Bar-ft Peck | County of Valley | 25 | 0 | 0 |
| Frazer High School | County of Valley | 25 | 0 | 0 |
| Albertsons Glasgow No 2012 | Glasgow | 25 | 0 | 0 |
| Lavina Cafe | County of Golden Valley | 25 | 0 | 0 |
| Rainbow Bar | County of Golden Valley | 25 | 0 | 0 |
| Pepper Mill Diner | County of Golden Valley | 25 | 0 | 0 |
| Pines Recreation Area | Fort Peck | 25 | 0 | 0 |
| Lavina Country Store | County of Golden Valley | 25 | 0 | 0 |
| Basin Store & Cafe | County of Golden Valley | 25 | 0 | 0 |
| Nelson Reservoir Campground | County of Valley | 25 | 0 | 0 |
| Bearpaw Reservoir | County of Valley | 25 | 0 | 0 |
| Lake Ridge Motel | County of Valley | 25 | 0 | 0 |
| Park Grove Bar & Cafe | County of Valley | 25 | 0 | 0 |
| Robinson School | County of Valley | 25 | 0 | 0 |
| Nelson Reservoir Campground | County of Valley | 25 | 0 | 0 |
| Horseshoe Bar | Oswego | 25 | 0 | 0 |
| Sunny Hills Suburban Wua Inc | Glasgow | 0 | 0 | 0 |