Wilson Creek 2-j is an earth dam located in Otoe County, Nebraska, built in 1965. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 37 ft37 ft tall and 762 ft long, taller than 83% 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 Wilson Creek 2-j
The primary purpose of Wilson Creek 2-j 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 Tr-n Fk Little Nemaha River near Dunbar.
The dam stands 37 feet tall and stretches 762 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 438 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1965, the structure is well into its service life at over 50 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 06/23/2020.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Nebraska |
| County | Otoe |
| Nearest City | Dunbar |
| River/Stream | Tr-n Fk Little Nemaha River |
| Coordinates | 40.70826, -96.11138 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 762 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 438 acre-ft |
| Max Storage | 438 acre-ft |
| Normal Storage | 85 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,313 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/23/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00869 |
| Federal ID | NE00869 |
| More Info | State Dam Safety Program |