We found 29 public water systems in Blaine county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Chinook City Of | Chinook | 1,300 | 0 | 22 |
| Blaine County Park Zurich | County of Blaine | 999 | 0 | 0 |
| Harlem City Of | Harlem | 820 | 0 | 83 |
| Fort Belknap Indian Agency | County of Blaine | 750 | 0 | 0 |
| Martins Grocery Store | County of Blaine | 275 | 0 | 0 |
| Hays Trading Post | County of Blaine | 250 | 0 | 0 |
| Turner School District No 43 | Turner | 105 | 0 | 0 |
| Perrys Water Service | Chinook | 100 | 0 | 0 |
| Hogeland Bar M&j Bar | County of Blaine | 76 | 0 | 0 |
| Floyd Grocery Store | County of Blaine | 75 | 0 | 0 |
| Spa Lounge Zurich | County of Blaine | 75 | 0 | 0 |
| Hartland Colony | Havre | 73 | 0 | 0 |
| Turner Colony | Turner | 55 | 0 | 0 |
| 241 Grill & Tavern | Turner | 52 | 0 | 0 |
| Plainsman Bar | County of Blaine | 50 | 0 | 0 |
| Lodgepole School | County of Blaine | 50 | 0 | 0 |
| Hays/lodge Pole Public Schools | County of Blaine | 50 | 0 | 0 |
| Hays Meat Market | County of Blaine | 50 | 0 | 0 |
| Midway Tavern | County of Blaine | 50 | 0 | 0 |
| Chuck's Iga - Chinook | County of Blaine | 50 | 0 | 0 |
| Koa Of Havre | County of Blaine | 50 | 0 | 0 |
| Turner Border Station | Turner | 45 | 0 | 0 |
| North Harlem Colony | Harlem | 42 | 0 | 0 |
| ZURICH SCHOOL DISTRICT 17 | Zurich | 40 | 0 | 0 |
| Hansen Family Campground & Storage Llc | Malta | 29 | 0 | 0 |
| Plainsman Bar | Havre | 29 | 0 | 0 |
| Hogeland Bar & Steakhouse | County of Blaine | 25 | 0 | 0 |
| Albertsons Harlem No 2032 | Harlem | 25 | 0 | 0 |
| Cleveland Bar | Chinook | 0 | 0 | 0 |