Wilson Creek 4-11 is an earth dam located in Otoe County, Nebraska, built in 1965. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 32 ft32 ft tall and 770 ft long, taller than 74% 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 4-11
Wilson Creek 4-11 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 Lorton.
The dam stands 32 feet tall and stretches 770 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 78 acre-feet, and collects water from a drainage area of 0 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/06/2019.
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Location
| State | Nebraska |
| County | Otoe |
| Nearest City | Lorton |
| River/Stream | Tr-n Fk Little Nemaha River |
| Coordinates | 40.64630, -96.05279 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 31 ft |
| Dam Length | 770 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 78 acre-ft |
| Max Storage | 78 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 185 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/06/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00872 |
| Federal ID | NE00872 |
| More Info | State Dam Safety Program |