Monona County Water Violations
Monona County in Iowa has 14 active public water systems. Together, these systems have 3 health-based violations on record out of 144 total. Health-based violations indicate a contaminant exceeded EPA limits or required treatment was not performed.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Onawa Koa | 250 | Groundwater | 9 | 2 |
| Peters Park | 32 | Groundwater | 4 | 1 |
| Castana Municipal Water Supply | 103 | Groundwater | 67 | 0 |
| Soldier Water Supply | 180 | Groundwater | 20 | 0 |
| Lewis and Clark State Park | 67 | Groundwater | 10 | 0 |
| Moorhead Water Supply | 189 | Groundwater | 8 | 0 |
| Divide Hill Bar & Grill | 50 | Groundwater | 7 | 0 |
| Timber Ridge Lodge Recreation, Ltd. | 250 | Groundwater | 5 | 0 |
| Sunset at the Oasis RV Campground | 25 | Groundwater | 5 | 0 |
| Mapleton Municipal Water Plant | 1,124 | Groundwater | 4 | 0 |
| Ute Water Supply | 338 | Groundwater | 4 | 0 |
| Blencoe Municipal Waterworks | 224 | Groundwater | 1 | 0 |
| Onawa Municipal Water Plant | 2,906 | Groundwater | 0 | 0 |
| Whiting Water Supply | 727 | Groundwater | 0 | 0 |