We found 40 public water systems in Kittson county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| North Kittson Rural Water | Lake Bronson | 1,800 | 0 | 1 |
| Hallock | Hallock | 955 | 0 | 4 |
| Karlstad | Karlstad | 753 | 0 | 1 |
| New Life Bible Camp | County of Kittson | 500 | 0 | 0 |
| Lancaster | Lancaster | 346 | 0 | 2 |
| Lake Bronson | Lake Bronson | 225 | 0 | 1 |
| Kennedy | Kennedy | 191 | 0 | 1 |
| American Legion Post 445 | County of Kittson | 25 | 0 | 0 |
| Halma Village Park | County of Kittson | 25 | 0 | 0 |
| Eidsvold Lutheran Church | County of Kittson | 25 | 0 | 0 |
| Border Motel | County of Kittson | 25 | 0 | 0 |
| Us Customs & Immigration - Lancaster | County of Kittson | 25 | 0 | 0 |
| Country Club | County of Kittson | 25 | 0 | 0 |
| Lake Bronson State Park | County of Kittson | 25 | 0 | 0 |
| Swanson | County of Kittson | 25 | 0 | 0 |
| Nordic Korner | County of Kittson | 25 | 0 | 0 |
| Pearls Inn | County of Kittson | 25 | 0 | 0 |
| Gus Cabins | County of Kittson | 25 | 0 | 0 |
| Galilee Luth Bible Camp | County of Kittson | 25 | 0 | 0 |
| Hartz Store | County of Kittson | 25 | 0 | 0 |
| Halma Community Center | County of Kittson | 25 | 0 | 0 |
| Green Lea Mobile Home Park | County of Kittson | 25 | 0 | 0 |
| Frog Pond | County of Kittson | 25 | 0 | 0 |
| Karlstad Municipal Moose Park | County of Kittson | 25 | 0 | 0 |
| Halma Post Office | County of Kittson | 25 | 0 | 0 |
| Art | County of Kittson | 25 | 0 | 0 |
| Fish Construction | County of Kittson | 25 | 0 | 0 |
| Galilee Lutheran Bible Camp | County of Kittson | 25 | 0 | 0 |
| Karlstad Golf Club | County of Kittson | 25 | 0 | 0 |
| Community Creamery | County of Kittson | 25 | 0 | 0 |
| North Cote Branch Elev | County of Kittson | 25 | 0 | 0 |
| Lancaster Farmer Coop Ele | County of Kittson | 25 | 0 | 0 |
| Lancaster Farm Supply | County of Kittson | 25 | 0 | 0 |
| Lancaster Covenant Church | County of Kittson | 25 | 0 | 0 |
| Sion Lutheran Church | County of Kittson | 25 | 0 | 0 |
| Lakeside Bait And Deli | County of Kittson | 25 | 0 | 0 |
| Bears Den | County of Kittson | 25 | 0 | 0 |
| Viking Land Terrace | County of Kittson | 25 | 0 | 0 |
| Sundby Mobile Home Court I | County of Kittson | 25 | 0 | 0 |
| Lake Bronson State Park | County of Kittson | 25 | 0 | 0 |