Polk County, Nebraska
4 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Polk, Village of | 346 | Groundwater | 4 | 3 |
| Stromsburg, City of | 1,155 | Groundwater | 3 | 1 |
| Shelby, Village of | 714 | Groundwater | 2 | 0 |
| Osceola, City of | 875 | Groundwater | 1 | 0 |