Swan Creek 68
Swan Creek 68 is an earth dam located in Jefferson County, Nebraska, built in 1995. It carries a Significant hazard potential classification and has a fair condition assessment.
About Swan Creek 68
The primary purpose of Swan Creek 68 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Lower Big Blue Natural Resources District (local government). It impounds the Tr-s Fk Swan Creek near Swanton.
The dam stands 46 feet tall and stretches 1,352 feet across, creates a reservoir covering 49 acres, has a maximum storage capacity of 3,584 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1995, the structure is 31 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/15/2021.
At 46 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Nebraska |
| County | Jefferson |
| Nearest City | Swanton |
| River/Stream | Tr-s Fk Swan Creek |
| Coordinates | 40.29644, -97.18585 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 46 ft |
| Dam Height | 40 ft |
| Dam Length | 1,352 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 3,584 acre-ft |
| Max Storage | 3,584 acre-ft |
| Normal Storage | 295 acre-ft |
| Surface Area | 49 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 6,854 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/15/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02420 |
| Federal ID | NE02420 |
| More Info | State Dam Safety Program |