SCS-Lower Black Bear Creek Site-11 is a state-regulated earth dam located in Noble, Oklahoma, designed by USDA NRCS in 1976 for flood risk reduction along the TR-BLACK BEAR CREEK.
Wind
Humidity
The dam stands at a height of 38 feet with a hydraulic height of 35 feet, serving a primary purpose of flood risk reduction. With a maximum storage capacity of 860 acre-feet and a normal storage of 98 acre-feet, the dam covers a surface area of 23 acres and has a maximum discharge capacity of 1060 cubic feet per second.
Despite being classified as having low hazard potential, the dam at SCS-Lower Black Bear Creek Site-11 is considered to have a very high risk level (1). The condition assessment has not been rated, and the last inspection was conducted in 1999, with an inspection frequency of 5 years. The dam features a controlled spillway with a width of 1 foot and an outlet gate consisting of a single valve. While emergency action plans and risk management measures are not specified, the dam is under the jurisdiction of the OWRB and meets state permitting, inspection, and enforcement requirements.
Year Completed |
1976 |
Dam Length |
1140 |
Dam Height |
38 |
River Or Stream |
TR-BLACK BEAR CREEK |
Primary Dam Type |
Earth |
Surface Area |
23 |
Hydraulic Height |
35 |
Nid Storage |
860 |
Structural Height |
38 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
38 |
Black Bear Creek At Pawnee
|
11cfs |
Arkansas River At Ralston
|
1820cfs |
Cimarron River Near Ripley
|
544cfs |
Salt Fork Arkansas River At Tonkawa
|
535cfs |
Hominy Creek Near Hominy
|
2cfs |
Cimarron River Near Guthrie
|
489cfs |