South Fork 3-1 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.
Dam profile
NID height · 31 ft31 ft tall and 818 ft long, taller than 72% 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 South Fork 3-1
South Fork 3-1 is a dam in Pawnee, Nebraska. The dam is owned by Nemaha Natural Resources District (local government). It impounds the Tr-negro Branch Creek near Dubois.
The dam stands 31 feet tall and stretches 818 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 56 acre-feet, and collects water from a drainage area of 0 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 06/13/2022.
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Location
| State | Nebraska |
| County | Pawnee |
| Nearest City | Dubois |
| River/Stream | Tr-negro Branch Creek |
| Coordinates | 40.01149, -96.05645 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 30 ft |
| Dam Length | 818 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 6 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 377 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/13/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01805 |
| Federal ID | NE01805 |
| More Info | State Dam Safety Program |