Swan Creek 67 is an earth dam located in Saline County, Nebraska, built in 1988. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 43 ft43 ft tall and 1,535 ft long, taller than 89% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Swan Creek 67
The primary purpose of Swan Creek 67 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 Walnut Grove Creek near Dewitt.
The dam stands 43 feet tall and stretches 1,535 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 1,891 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1988, the structure is 38 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/03/2019.
At 43 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Nebraska |
| County | Saline |
| Nearest City | Dewitt |
| River/Stream | Walnut Grove Creek |
| Coordinates | 40.42357, -97.10662 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 38 ft |
| Dam Length | 1,535 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 1,891 acre-ft |
| Max Storage | 1,891 acre-ft |
| Normal Storage | 282 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 3,538 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/03/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02310 |
| Federal ID | NE02310 |
| More Info | State Dam Safety Program |