Don Alt Dam
Nebraska — Polk County — TR-BIG BLUE RIVER
Location
| State | Nebraska |
| County | Polk |
| River | TR-BIG BLUE RIVER |
| Coordinates | 41.09044, -97.43107 |
Physical Characteristics
| NID Height | 21 ft |
| Dam Height | 19 ft |
| Dam Length | 610 ft |
| NID Storage | 111 acre-ft |
| Max Storage | 111 acre-ft |
| Surface Area | 5 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Poor |
| EAP Status | Not Required |
| Last Inspection | June 21, 2022 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1969 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Polk County |
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.