South Branch 58
South Branch 58 is an earth dam located in Otoe County, Nebraska, built in 2000. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About South Branch 58
The primary purpose of South Branch 58 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-s Fk Little Nemaha River near Cook.
The dam stands 33 feet tall and stretches 700 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 214 acre-feet, and collects water from a drainage area of 0 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/24/2021.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Nebraska |
| County | Otoe |
| Nearest City | Cook |
| River/Stream | Tr-s Fk Little Nemaha River |
| Coordinates | 40.55977, -96.30806 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 28 ft |
| Dam Length | 700 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 214 acre-ft |
| Max Storage | 214 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 299 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/24/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02537 |
| Federal ID | NE02537 |
| More Info | State Dam Safety Program |