South Fork 4-2
South Fork 4-2 is an earth dam located in Pawnee County, Nebraska, built in 1978. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About South Fork 4-2
South Fork 4-2 is a dam in Pawnee, Nebraska. The dam is owned by Nemaha Natural Resources District (local government). It impounds the Tr-s Fk Big Nemaha River near Salem.
The dam stands 35 feet tall and stretches 1,027 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 332 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1978, the structure is 48 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 05/07/2021.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Nebraska |
| County | Pawnee |
| Nearest City | Salem |
| River/Stream | Tr-s Fk Big Nemaha River |
| Coordinates | 40.06653, -96.05783 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 1,027 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 332 acre-ft |
| Max Storage | 332 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 511 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/07/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01660 |
| Federal ID | NE01660 |
| More Info | State Dam Safety Program |