Nemaha Road Dam
Nemaha Road Dam is an earth dam located in Nemaha County, Nebraska, built in 2000. It carries a Low hazard potential classification and has a fair condition assessment.
About Nemaha Road Dam
The primary purpose of Nemaha Road Dam 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-houchen Creek near Brock.
The dam stands 43 feet tall and stretches 460 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 267 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2000, the structure is 26 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 06/02/2021.
At 43 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Nebraska |
| County | Nemaha |
| Nearest City | Brock |
| River/Stream | Tr-houchen Creek |
| Coordinates | 40.43615, -95.97197 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 35 ft |
| Dam Length | 460 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 267 acre-ft |
| Max Storage | 267 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,568 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/02/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02524 |
| Federal ID | NE02524 |
| More Info | State Dam Safety Program |