Wilson Creek 12-s
Wilson Creek 12-s is an earth dam located in Cass County, Nebraska, built in 1979. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Wilson Creek 12-s
The primary purpose of Wilson Creek 12-s 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 Nemaha Natural Resources District (local government). It impounds the N Fk Little Nemaha River near Otoe.
The dam stands 38 feet tall and stretches 1,165 feet across, creates a reservoir covering 61 acres, has a maximum storage capacity of 2,243 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1979, the structure is 47 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 03/30/2021.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Nebraska |
| County | Cass |
| Nearest City | Otoe |
| River/Stream | N Fk Little Nemaha River |
| Coordinates | 40.81620, -96.22497 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 35 ft |
| Dam Length | 1,165 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 2,243 acre-ft |
| Max Storage | 2,243 acre-ft |
| Normal Storage | 287 acre-ft |
| Surface Area | 61 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 4,703 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/30/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01671 |
| Federal ID | NE01671 |
| More Info | State Dam Safety Program |