Upper Little Nemaha 34 is a local government-owned earth dam located in Unadilla, Nebraska, designed for flood risk reduction on the Silver Creek.
Wind
Humidity
Completed in 1996, this dam stands at a height of 42 feet and has a storage capacity of 1637 acre-feet, serving a drainage area of 5.6 square miles. With a low hazard potential and satisfactory condition assessment as of 2016, this structure plays a crucial role in mitigating flood risks in the surrounding area.
Managed by the Nebraska Department of Natural Resources, Upper Little Nemaha 34 is subject to state regulation, permitting, inspection, and enforcement. It is equipped with outlet gates and has a spillway type and width not specified in the data. Despite not being operated by the U.S. Army Corps of Engineers, this dam remains an essential infrastructure for flood control and water resource management in Otoe County, Nebraska.
As climate change continues to impact precipitation patterns and water availability, structures like Upper Little Nemaha 34 play a vital role in safeguarding communities against the increasing threat of floods. With its strategic location on the Silver Creek and effective flood risk reduction capabilities, this dam stands as a testament to local government efforts in preserving water resources and addressing the challenges of a changing climate.
Year Completed |
1996 |
Dam Length |
1280 |
Dam Height |
42 |
River Or Stream |
SILVER CREEK |
Primary Dam Type |
Earth |
Surface Area |
44 |
Hydraulic Height |
41 |
Drainage Area |
5.6 |
Nid Storage |
1637 |
Structural Height |
52 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
52 |