South Fork 3-c
South Fork 3-c is an earth dam located in Pawnee County, Nebraska, built in 1981. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About South Fork 3-c
The primary purpose of South Fork 3-c 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-negro Branch Creek near Dubois.
The dam stands 38 feet tall and stretches 848 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 309 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1981, the structure is 45 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 04/26/2022.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Nebraska |
| County | Pawnee |
| Nearest City | Dubois |
| River/Stream | Tr-negro Branch Creek |
| Coordinates | 40.01261, -96.10797 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 848 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 309 acre-ft |
| Max Storage | 309 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 895 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/26/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01803 |
| Federal ID | NE01803 |
| More Info | State Dam Safety Program |