Iowa has 8 irrigation dams, of which 1 carry a high hazard classification. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area.
| # | Dam | County | Height (ft) | Hazard | Condition | Year |
|---|---|---|---|---|---|---|
| 1 | Des Moines County Roadgrade Dam 18-70-2 | Des Moines | 84 | Low | Not assessed | 1987 |
| 2 | Marengo Golf & Country Club Dam | Iowa | 33 | Low | Not assessed | 2000 |
| 3 | Ballard Country Club Dam | Story | 33 | Low | Satisfactory | 1974 |
| 4 | Denison Country Club #3 Dam | Crawford | 32 | Low | Not assessed | 1991 |
| 5 | Copper Creek Lake Dam | Polk | 31 | Significant | Satisfactory | 1995 |
| 6 | Middle Pond Dam | Iowa | 27 | High | Poor | 1955 |
| 7 | Wahl Dam | Chickasaw | 21 | Low | Not assessed | 1976 |
| 8 | Kistler Dam | Jefferson | 15 | Low | Not assessed | 1987 |