Oknoname 30157 is a privately owned dam located in Alva, Oklahoma, within Woods County.
Wind
Humidity
Built in 2000 by the USDA NRCS, this Earth-type dam stands at a height of 31 feet and has a hydraulic height of 27.4 feet. It serves as a crucial structure on the UNNAMED TRIB YELLOWSTONE CR., providing a storage capacity of 40 acre-feet and a surface area of 2.7 acres. The dam is regulated by the Oklahoma Water Resources Board (OWRB) and undergoes regular inspections, with a low hazard potential but a very high risk assessment rating due to its critical role in managing water resources in the area.
Despite its relatively low hazard potential, Oknoname 30157 is considered to be at very high risk due to its strategic importance in mitigating flood risks and managing water resources in the region. With a controlled spillway and a single valve outlet gate, the dam has a normalized storage capacity of 21 acre-feet and serves a drainage area of 160 square miles. The dam's condition is currently not rated, and its last inspection took place in November 2010, with a scheduled inspection frequency of 5 years. As a significant structure in the Tulsa District, the dam plays a vital role in supporting agricultural activities and protecting the surrounding communities from potential water-related disasters.
Year Completed |
2000 |
Dam Length |
184 |
Dam Height |
31 |
River Or Stream |
UNNAMED TRIB YELLOWSTONE CR. |
Primary Dam Type |
Earth |
Surface Area |
2.7 |
Hydraulic Height |
27.4 |
Drainage Area |
160 |
Nid Storage |
40 |
Structural Height |
30.4 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
31 |
Cimarron River Near Buffalo
|
81cfs |
Cimarron R Near Buttermilk
|
47cfs |
Bluff Creek Nr Buttermilk
|
41cfs |
Salt Fork Arkansas River Nr Alva
|
94cfs |
Medicine Lodge R Nr Kiowa
|
110cfs |
Cimarron River Near Waynoka
|
103cfs |