We found 31 public water systems that could serve the same population as Johnston Co Rwd #3 (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Tishomingo Municipal Authority | County of Johnston | 3,000 | 0 | 57 |
| Murray State College | County of Johnston | 1,150 | 0 | 30 |
| Johnston Co Rws& Swmd #4 | County of Johnston | 600 | 0 | 52 |
| Mannsville Public Works Authority | Mannsville | 587 | 32 | 47 |
| Camp Bond | County of Johnston | 500 | 0 | 13 |
| Wapanucka | County of Johnston | 475 | 0 | 0 |
| Ravia | County of Johnston | 459 | 0 | 17 |
| Sundowner Trailer | County of Johnston | 450 | 0 | 7 |
| Wapanucka | County of Johnston | 450 | 0 | 0 |
| Wapanucka | County of Johnston | 445 | 0 | 32 |
| Mill Creek | County of Johnston | 442 | 0 | 14 |
| Milburn Public Works Authority | County of Johnston | 317 | 0 | 35 |
| Milburn Rwd #1 | County of Johnston | 280 | 0 | 0 |
| Coe Butcher Pen | County of Johnston | 200 | 0 | 0 |
| Bromide | County of Johnston | 200 | 0 | 0 |
| Bromide | County of Johnston | 163 | 0 | 76 |
| Tish Natl Wildlife Ref | County of Johnston | 60 | 0 | 0 |
| Connerville School | County of Johnston | 50 | 0 | 0 |
| Us Silica | County of Johnston | 31 | 0 | 0 |
| Devils Den Rec Area | County of Johnston | 30 | 0 | 0 |
| Camp Simpson Bsa | County of Johnston | 26 | 0 | 0 |
| Tin Can Cafe | County of Johnston | 26 | 0 | 0 |
| Lisa's Cafe | County of Johnston | 25 | 0 | 0 |
| B&l Cafe | County of Johnston | 25 | 0 | 0 |
| Coe Pennington Ck (texoma Lk) | County of Johnston | 25 | 0 | 0 |
| Epa Dummy #3 | Dummy | 25 | 0 | 0 |
| Camp Simpson Bsa | County of Johnston | 25 | 0 | 0 |
| Slippery Falls (bsa) | County of Johnston | 24 | 0 | 0 |
| Us Silica #39 | County of Johnston | 20 | 0 | 0 |
| Browder Trailer Park | County of Johnston | 16 | 0 | 0 |
| Tishomingo Natl Fish Hatchery | County of Johnston | 7 | 0 | 0 |