Wilson Creek 8-H is a vital flood risk reduction structure located in Otoe, Nebraska, along the TR-N FK Little Nemaha River.
Wind
Humidity
Built in 1968 by the USDA NRCS, this earth dam stands at a height of 33.7 feet and has a structural height of 43.2 feet, with a primary purpose of flood risk reduction. With a storage capacity of 697.4 acre-feet and a normal storage level of 108 acre-feet, Wilson Creek 8-H covers a surface area of 21 acres and serves a drainage area of 1.16 square miles.
Managed by the local government and regulated by the NE DNR, Wilson Creek 8-H has a high hazard potential but is currently in satisfactory condition. Inspected annually, the dam has a satisfactory condition assessment as of March 2020. While the dam has not been modified in recent years, it is equipped to handle a maximum discharge of 3,601 cubic feet per second, ensuring the safety of surrounding areas in the event of heavy rainfall or flooding. With a solid foundation in soil and core made of stone, Wilson Creek 8-H exemplifies the intersection of water resource management and climate resilience in Nebraska.
Year Completed |
1968 |
Dam Length |
1126 |
Dam Height |
33.7 |
River Or Stream |
TR-N FK LITTLE NEMAHA RIVER |
Primary Dam Type |
Earth |
Surface Area |
21 |
Hydraulic Height |
33.7 |
Drainage Area |
1.16 |
Nid Storage |
697.4 |
Structural Height |
43.2 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
43 |
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|
20cfs |
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22600cfs |
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|
5530cfs |
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|
82cfs |
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|
1350cfs |
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125cfs |