Crystal Lake Sediment Control Dam
Iowa — Hancock County — Tr- West Fork Iowa River
Location
| State | Iowa |
| County | Hancock |
| River | Tr- West Fork Iowa River |
| Coordinates | 43.23510, -93.78470 |
Physical Characteristics
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 625 ft |
| NID Storage | 148 acre-ft |
| Max Storage | 148 acre-ft |
| Surface Area | 10 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | June 4, 2019 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 2003 |
| Primary Purpose | — |
| Dam Type | Earth |
| Owner Type | State |
| Owner | Iowa Department of Natural Resources |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.