Black Hawk Marsh Dam
Iowa, Sac County, CARNAVON CREEK DRAINAGE
Location
| State | Iowa |
| County | Sac |
| River | CARNAVON CREEK DRAINAGE |
| Coordinates | 42.27450, -95.04570 |
Physical Characteristics
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 8,150 ft |
| NID Storage | 1,200 acre-ft |
| Max Storage | 1,200 acre-ft |
| Surface Area | 214 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | - |
| Inspection Frequency | - |
Dam Information
| Year Completed | 1994 |
| Primary Purpose | Recreation |
| 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.