We found 45 public water systems in Cole county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Mo American Jefferson City District | Jefferson City | 27,117 | 53 | 16 |
| Cole Co Pwsd 2 | Jefferson City | 12,600 | 31 | 7 |
| Cole Co Pwsd 1 | Jefferson City | 12,400 | 14 | 2 |
| Cole Co Pwsd 4 | County of Cole | 7,568 | 0 | 13 |
| Missouri State Capitol | Jefferson City | 3,100 | 0 | 2 |
| Jefferson City Crrctnl Ctr | Jefferson City | 2,000 | 0 | 0 |
| Cole Co Pwsd 3 | St. Martins | 1,875 | 0 | 5 |
| Algoa Crrctnl Ctr | County of Cole | 1,700 | 0 | 0 |
| Mo American - Wardsville | Wardsville | 1,506 | 0 | 19 |
| Russellville | Russellville | 807 | 0 | 1 |
| Cole R V School | Eugene | 700 | 0 | 3 |
| Lohmans Eagle Stop | County of Cole | 500 | 0 | 17 |
| Steves Family Style Restaurant | County of Cole | 500 | 0 | 8 |
| Native Stone Winery | County of Cole | 500 | 0 | 0 |
| Centertown | Centertown | 278 | 0 | 19 |
| Cole Co Pwsd 5 | St. Thomas | 260 | 0 | 13 |
| Schumate Chapel Mhp | County of Cole | 250 | 0 | 0 |
| Eugene | Eugene | 220 | 0 | 45 |
| 17 Eagle Stop | County of Cole | 200 | 0 | 30 |
| Capitol View Village Mhp | Capitol Vw Mhp, Jefferson City | 200 | 0 | 0 |
| Best Western Inn | County of Cole | 200 | 0 | 0 |
| Mo American - Lake Carmel | County of Cole | 123 | 0 | 0 |
| Catoan's Restaurant | County of Cole | 106 | 0 | 0 |
| Peschangs Mhp | County of Cole | 105 | 0 | 0 |
| Frontier West Mhp | Jefferson City | 100 | 0 | 0 |
| Mc Cubbin Trailer Court | Jefferson City | 81 | 0 | 0 |
| Westway Subd | County of Cole | 70 | 0 | 0 |
| Propst Trailer Court | County of Cole | 70 | 0 | 0 |
| Immanuel Lutheran School | Jefferson City | 60 | 0 | 0 |
| Mo State Highway Patrol Troop F | County of Cole | 60 | 0 | 0 |
| Mo American - Red Field Subdivision | County of Cole | 60 | 0 | 0 |
| Lehman Acres Subdivision | Jefferson City | 40 | 0 | 0 |
| WREN ASSOCIATES | Jefferson City | 35 | 0 | 0 |
| Central Mo Crrctnl Ctr | Jefferson City | 31 | 0 | 0 |
| E & M Mhp | County of Cole | 28 | 0 | 0 |
| Urbs Place Inc | Urbs Place Inc | 25 | 0 | 0 |
| St Paul Lutheran Church | Luthern Church | 25 | 0 | 0 |
| Hickory Hill Baptist Church | Baptist Church | 25 | 0 | 0 |
| Cole Spring Baptist Church | Baptist Church | 25 | 0 | 0 |
| Mfa Station | Mfa Station | 25 | 0 | 0 |
| Jefferson City Memorial | Jc Memorial | 25 | 0 | 0 |
| O Bies Ball Park Pizza | Jefferson City | 25 | 0 | 0 |
| Ken Lee Motel | Ken Lee Motel | 25 | 0 | 0 |
| Lohman Producers Exchange | Lohman | 25 | 0 | 0 |
| Stropes Auto Service | St. Thomas | 25 | 0 | 0 |