We found 29 public water systems in Montgomery county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Coffeyville, City Of | Coffeyville | 9,539 | 19 | 19 |
| Independence, City Of | Independence | 8,799 | 0 | 7 |
| Montgomery Co Rwd 1c | Havana | 2,450 | 0 | 3 |
| Cherryvale, City Of | Cherryvale | 2,190 | 0 | 4 |
| Caney, City Of | Caney | 2,042 | 0 | 60 |
| Montgomery Co Rwd 2c A | Dearing | 1,113 | 0 | 3 |
| Montgomery Co Rwd 6 | Independence | 1,092 | 0 | 16 |
| Labette County Rwd #6 | County of Montgomery | 894 | 0 | 0 |
| Montgomery Co Rwd 2 | Independence | 800 | 0 | 12 |
| Montgomery Co Rwd 12 | Neodesha | 756 | 0 | 1 |
| Montgomery Co Rwd 4 | Sycamore | 745 | 0 | 12 |
| Montgomery Co Rwd 9 | Elk City | 430 | 0 | 2 |
| Montgomery Co Rwd 2c B | Coffeyville | 410 | 0 | 13 |
| Dearing, City Of | Dearing | 390 | 0 | 2 |
| Montgomery Co Rwd 8 | Independence | 340 | 0 | 24 |
| Montgomery Co Rwd 14 | Coffeyville | 330 | 37 | 2 |
| Elk City, City Of | Elk City | 294 | 0 | 139 |
| Labette County Rwd #3 | County of Montgomery | 265 | 0 | 0 |
| Montgomery Co Rwd 1 | Independence | 175 | 0 | 12 |
| Woodland View Acres | Independence | 165 | 0 | 0 |
| Montgomery Co Rwd 13 | Elk City | 160 | 0 | 39 |
| Montgomery Co Rwd 03 | Independence | 72 | 0 | 0 |
| Onion Creek Water District | Coffeyville | 72 | 0 | 0 |
| Cherokee Co-op Water Corporation | Coffeyville | 28 | 0 | 0 |
| Elk City Reservoir Project Ofc | Independence | 25 | 0 | 0 |
| Elk City Overlook Shelter | Elk City | 25 | 0 | 0 |
| Mg Co Ws 1 | Independence | 25 | 0 | 0 |
| Montgomery Co Rwd 10 | Coffeyville | 0 | 0 | 0 |
| Montgomery Co Rwd 11 | Coffeyville | 0 | 0 | 0 |