Spring Creek 9-A 641, located in Johnson County, Nebraska, is a key asset for flood risk reduction in the area.
Wind
Humidity
Built in 1973 by the USDA NRCS, this earth dam stands at a height of 34 feet and has a storage capacity of 1550 acre-feet. The dam serves the primary purpose of flood risk reduction, with a normal storage capacity of 309 acre-feet and a maximum discharge of 1553 cubic feet per second.
Managed by the local government, specifically the Nebraska Department of Natural Resources, Spring Creek 9-A 641 is regulated, permitted, inspected, and enforced by the state agency. The dam is in satisfactory condition, with a significant hazard potential. The last inspection in April 2019 deemed the structure to be in good shape, with an inspection frequency of every 3 years. With its strategic location on Spring Creek and its vital role in mitigating flood risks, Spring Creek 9-A 641 is a crucial component of water resource management in the region.
Year Completed |
1973 |
Dam Length |
1064 |
Dam Height |
34 |
River Or Stream |
SPRING CREEK |
Primary Dam Type |
Earth |
Surface Area |
50 |
Hydraulic Height |
32 |
Drainage Area |
5.1 |
Nid Storage |
1550 |
Structural Height |
35 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
35 |
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