Oak-Middle 81-A is a crucial flood risk reduction structure located in Seward, Nebraska.
Wind
Humidity
Built in 1959 by the USDA NRCS, this earth dam stands at a height of 50 feet and spans 1326 feet in length. With a normal storage capacity of 133 acre-feet and a maximum discharge of 618 cubic feet per second, Oak-Middle 81-A plays a vital role in managing the water resources of the TR-MIDDLE OAK CREEK.
Managed by the Nebraska Department of Natural Resources, Oak-Middle 81-A has a low hazard potential and is in satisfactory condition as of the last inspection in April 2020. The structure is designed to withstand hydraulic heights of up to 47 feet, ensuring the safety and security of the surrounding area. With its primary purpose being flood risk reduction, Oak-Middle 81-A serves as a critical infrastructure for water resource management in the region.
Located in the Kansas City District and under the jurisdiction of the NE DNR, Oak-Middle 81-A exemplifies the collaboration between local and federal agencies in safeguarding communities from flood risks. As climate change continues to impact water resources, structures like Oak-Middle 81-A play a pivotal role in mitigating potential disasters and ensuring the resilience of the region's water infrastructure.
Year Completed |
1959 |
Dam Length |
1326 |
Dam Height |
50 |
River Or Stream |
TR-MIDDLE OAK CREEK |
Primary Dam Type |
Earth |
Surface Area |
17 |
Hydraulic Height |
47 |
Drainage Area |
2 |
Nid Storage |
551 |
Structural Height |
52 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
52 |