Black Hawk Lake Dam
Significant HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Sac |
| Nearest City | Lake View |
| River/Stream | Wall Lake Outlet |
| Coordinates | 42.29990, -95.00620 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Year Completed | 1916 (110 years old) |
Storage & Hydraulics
| NID Storage | 10,500 acre-ft |
| Max Storage | 10,500 acre-ft |
| Normal Storage | 5,520 acre-ft |
| Surface Area | 920 acres |
| Drainage Area | 23 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Iowa Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/24/2024 |
| Emergency Action Plan | Not Required |