Wilson Creek 12-9b is an earth dam located in Otoe County, Nebraska, built in 1963. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 29 ft29 ft tall and 580 ft long, taller than 65% 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 12-9b
Wilson Creek 12-9b is a dam in Otoe, Nebraska. The dam is owned by Nemaha Natural Resources District (local government). It impounds the Tr-n Fk Little Nemaha River near Otoe.
The dam stands 29 feet tall and stretches 580 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 130 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1963, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/20/2019.
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Location
| State | Nebraska |
| County | Otoe |
| Nearest City | Otoe |
| River/Stream | Tr-n Fk Little Nemaha River |
| Coordinates | 40.75746, -96.16350 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 27 ft |
| Dam Length | 580 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 130 acre-ft |
| Max Storage | 130 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 302 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/20/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00866 |
| Federal ID | NE00866 |
| More Info | State Dam Safety Program |