Public Water Systems
2,823 active public water systems in MO, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Lafayette County PWSD 1 | Odessa, MO | 8,250 | 8 | Clean |
| Franklin County PWSD 3 | Villa Ridge, MO | 8,250 | 36 | Clean |
| Warrenton PWS | Warrenton, MO | 8,208 | 96 | Clean |
| Nevada PWS | Nevada, MO | 8,198 | 40 | Clean |
| Carl Junction PWS | Carl Junction, MO | 8,142 | 36 | Clean |
| Pulaski County PWSD 2 | Waynesville, MO | 8,038 | 23 | Clean |
| Jefferson County PWSD 5 | DE Soto, MO | 8,000 | 8 | Clean |
| Boonville PWS | Boonville, MO | 7,964 | 129 | Detected |
| Dexter PWS | Dexter, MO | 7,927 | 14 | Clean |
| Camden County PWSD 4 Horseshoe Bend | Lake Ozark, MO | 7,912 | 104 | Clean |
| Ralls County PWSD 1 | Hannibal, MO | 7,662 | 46 | Detected |
| Dekalb County PWSD 1 | Clarksdale, MO | 7,635 | 7 | Clean |
| Pike County PWSD 1 | Bowling Green, MO | 7,590 | 10 | Detected |
| Cole County PWSD 4 | Jefferson City, MO | 7,568 | 81 | Clean |
| Adair County PWSD 1 | Kirksville, MO | 7,500 | 7 | Detected |
| Jefferson County PWSD 6 | House Springs, MO | 7,500 | 20 | Detected |
| Marshfield PWS | Marshfield, MO | 7,425 | 61 | Clean |
| Laf Jo Saline County Cons PWSD 2 | Higginsville, MO | 7,180 | 78 | Detected |
| Clark County Cons PWSD 1 | Williamstown, MO | 7,140 | 14 | Clean |
| Sullivan PWS | Sullivan, MO | 7,081 | 12 | Clean |
| Platte County Cons PWSD 1 | Kansas City, MO | 6,900 | 1 | Detected |
| Monroe County PWSD 2 | Laddonia, MO | 6,677 | 41 | Detected |
| Cannon PWSD 1 | Perry, MO | 6,482 | 13 | Detected |
| Boone County PWSD 4 | Hallsville, MO | 6,455 | 14 | Clean |
| Nodaway County PWSD 1 | Maryville, MO | 6,428 | 23 | Detected |
| Desoto PWS | DE Soto, MO | 6,400 | 32 | Clean |
| Taney County PWSD 2 | Powersite, MO | 6,250 | 20 | Clean |
| Peculiar PWS | Peculiar, MO | 6,226 | 30 | Detected |
| Jefferson County PWSD 7 | Hillsboro, MO | 6,100 | 13 | Clean |
| Laclede County PWSD 3 | Lebanon, MO | 6,075 | 15 | Clean |
| Big Cedar Lodge Resort | Ridgedale, MO | 6,067 | 17 | - |
| Cass County PWSD 9 | Harrisonville, MO | 6,063 | 11 | Clean |
| Andrew County PWSD 1 | Savannah, MO | 6,042 | 12 | Clean |
| Pemiscot County Con PWSD 1 | Hayti, MO | 6,042 | 32 | Clean |
| Taney County PWSD 3 | Branson, MO | 6,000 | 54 | Clean |
| Pacific PWS | Pacific, MO | 6,000 | 92 | Clean |
| Chariton Linn County PWSD 3 | Brookfield, MO | 5,913 | 21 | Detected |
| Charleston PWS | Charleston, MO | 5,900 | 8 | Clean |
| Richmond PWS | Richmond, MO | 5,797 | 38 | Clean |
| Jackson County PWSD 12 | Greenwood, MO | 5,705 | 20 | Detected |
| Rogersville PWS | Rogersville, MO | 5,602 | 168 | - |
| Trenton Municipal Utilities PWS | Trenton, MO | 5,600 | 145 | Clean |
| Pevely PWS | Pevely, MO | 5,600 | 42 | Clean |
| Caruthersville PWS | Caruthersville, MO | 5,518 | 24 | Clean |
| Jasper County PWSD 1 | Carl Junction, MO | 5,500 | 18 | Clean |
| Macon PWS | Macon, MO | 5,489 | 61 | Detected |
| Waynesville PWS | Waynesville, MO | 5,460 | 51 | Clean |
| Odessa PWS | Odessa, MO | 5,202 | 108 | Clean |
| St Robert PWS | Saint Robert, MO | 5,192 | 123 | Detected |
| Savannah PWS | Savannah, MO | 5,170 | 57 | Clean |