Dams in Butler County, Iowa
7Total Dams
0High Hazard
0Significant
Dam Safety in Butler County, Iowa
Butler County has 7 dams tracked in the National Inventory of Dams.
The average dam in Butler County is 62 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Koop Dam at 28 ft.
Explore more: Oldest dams in Iowa · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Koop Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1990 |
| Winkowitsch Dam | Low | Not Rated | 24 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Wedeking Dam | Low | Not Rated | 20 | Fire Protection, Stock, Or Small Fish Pond | 1971 |
| Holm Dam | Low | Not Rated | 20 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Hunemiller Dam | Low | Not Rated | 19 | Fire Protection, Stock, Or Small Fish Pond | 1997 |
| Greene Mill Dam | Low | Satisfactory | 11 | Hydroelectric | 1925 |
| Shell Rock Milldam | Low | Not Rated | 7 | Recreation | 1928 |