We found 43 public water systems that could serve the same population as Osage Co Pwsd 4 (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Belle | Belle | 1,545 | 0 | 10 |
| Linn | Linn | 1,459 | 0 | 1 |
| Osage Co Pwsd 1 | Bonnots Mill, Loose Creek | 1,200 | 0 | 4 |
| Osage Co Pwsd 3 | Linn | 1,125 | 0 | 9 |
| Osage Co Pwsd 2 North | Westphalia | 705 | 0 | 11 |
| Crossroads Convenience Store | County of Maries | 700 | 0 | 10 |
| Vienna | Vienna | 610 | 0 | 22 |
| Osage Co Pwsd 2 South | Westphalia | 468 | 0 | 14 |
| Maries Co Pwsd 1 North | County of Maries | 450 | 0 | 3 |
| Freeburg | Freeburg | 437 | 0 | 3 |
| Chamois | Chamois | 395 | 0 | 29 |
| Osage Co Pwsd 4 | Argyle | 358 | 0 | 19 |
| Meta | Meta | 229 | 0 | 18 |
| Turkey Hill Ranch Bible Camp | County of Maries | 200 | 0 | 15 |
| Maries Co Pwsd 1 South | County of Maries | 175 | 0 | 6 |
| Linn Middle Elem School | Linn | 155 | 0 | 0 |
| Frankenstein | Frankenstein | 125 | 0 | 2 |
| Kingsford Manufacturing Co | Belle | 120 | 0 | 0 |
| Busy Bee Learning Academy | Linn | 100 | 0 | 0 |
| Linn Acres | Union | 75 | 0 | 0 |
| Osage Country Club | County of Osage | 60 | 0 | 0 |
| Bozarth Sewing Center | Vichy | 55 | 0 | 0 |
| Creative Kids Learning Center | County of Osage | 55 | 0 | 0 |
| Connie's Restaurant | Connies Rest | 54 | 0 | 0 |
| Vichy Wye Restaurant | County of Maries | 50 | 0 | 0 |
| Willibrands Inc | County of Osage | 50 | 0 | 0 |
| Thomas Quick Stop | County of Maries | 50 | 0 | 0 |
| Morelands Catfish Patch & Steak House | County of Maries | 45 | 0 | 0 |
| Rainbow Lanes Bowling | County of Osage | 40 | 0 | 0 |
| Linn Manor Rest Home | Linn | 40 | 0 | 0 |
| Moreland Homeowners Association | County of Maries | 40 | 0 | 0 |
| Mari Osa Delta | County of Osage | 30 | 0 | 0 |
| Rolla National Airport | County of Maries | 30 | 0 | 0 |
| Diamond Pet Foods | County of Osage | 30 | 0 | 0 |
| Town Of Martin | County of Maries | 29 | 0 | 0 |
| Quaker Window Co | Freeburg | 25 | 0 | 0 |
| Central Electric Power Coop | Chamois | 25 | 0 | 0 |
| Union Hill Baptist Church | Baptist Church | 25 | 0 | 0 |
| Mfa Service | Mfa Service | 25 | 0 | 0 |
| Pilot Knob Baptist Church | Baptist Church | 25 | 0 | 0 |
| Roy & Joan's Country Lounge | County of Osage | 25 | 0 | 0 |
| Standard Milling Co | Meta | 25 | 0 | 0 |
| WYE MOTEL | Wye Motel | 25 | 0 | 0 |