South Fork 3-1 is a local government-owned dam located in Pawnee, Nebraska, designed by the USDA NRCS and regulated by the NE DNR.
Wind
Humidity
Completed in 1981, this earth dam stands at 30 feet high with a hydraulic height of 28 feet and a structural height of 31 feet, providing flood risk reduction for the TR-NEGRO BRANCH CREEK. With a storage capacity of 56 acre-feet and a drainage area of 0.2 square miles, South Fork 3-1 plays a crucial role in managing water resources in the region.
Despite its low hazard potential and satisfactory condition assessment, South Fork 3-1 undergoes regular inspections every 5 years, with the last assessment conducted in March 2017. The dam's emergency action plan status, risk assessment, and inundation maps are currently unspecified, indicating a potential area for improvement in emergency preparedness. With a maximum discharge capacity of 377 cubic feet per second, South Fork 3-1 remains an essential infrastructure for flood control and water management in the area, highlighting the importance of ongoing monitoring and maintenance to ensure its continued effectiveness in mitigating risks associated with climate variability and extreme weather events.
Year Completed |
1981 |
Dam Length |
818 |
Dam Height |
30 |
River Or Stream |
TR-NEGRO BRANCH CREEK |
Primary Dam Type |
Earth |
Surface Area |
3 |
Hydraulic Height |
28 |
Drainage Area |
0.2 |
Nid Storage |
56 |
Structural Height |
31 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
31 |
| Location | Reservations | Toilets |
|---|---|---|
Iron Horse Trail Lake
|
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Sabetha Lake
|
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Humboldt Lake Park
|