Dams in Hancock County, Iowa
3Total Dams
0High Hazard
0Significant
Dam Safety in Hancock County, Iowa
Hancock County has 3 dams tracked in the National Inventory of Dams.
The average dam in Hancock County is 45 years old. The most common purpose is recreation. The tallest dam is Eldred Sherwood Park Lake Dam at 33 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 |
|---|---|---|---|---|---|
| Eldred Sherwood Park Lake Dam | Low | Not Rated | 33 | Other | 1967 |
| Crystal Lake Sediment Control Dam | Low | Satisfactory | 27 | 2003 | |
| Pilot Knob Lake Dam | Low | Satisfactory | 18 | Recreation | 1972 |