SCS-Lower Black Bear Creek Site-17 in Pawnee, Oklahoma is a state-regulated earth dam constructed in 1980 by the USDA NRCS to primarily address flood risk reduction along the TR-Black Bear Creek.
Wind
Humidity
With a height of 39 feet and a hydraulic height of 34 feet, this dam has a storage capacity of 830 acre-feet and covers a surface area of 7 acres, serving a drainage area of 1.1 square miles. The dam features a controlled spillway and a single slide gate as its outlet structure.
Despite being rated as having a high hazard potential and fair condition assessment, the dam has not undergone recent modifications or updates, with its last inspection conducted in September 2010. The risk assessment for SCS-Lower Black Bear Creek Site-17 indicates a very high risk level (1), emphasizing the importance of regular inspections and maintenance to ensure the safety and functionality of the dam. As climate change continues to impact water resources, the significance of effective dam management and emergency preparedness measures becomes increasingly crucial to safeguard the surrounding communities and environment from potential risks and disasters.
Year Completed |
1980 |
Dam Length |
1150 |
Dam Height |
39 |
River Or Stream |
TR-BLACK BEAR CREEK |
Primary Dam Type |
Earth |
Surface Area |
7 |
Hydraulic Height |
34 |
Drainage Area |
1.1 |
Nid Storage |
830 |
Structural Height |
39 |
Outlet Gates |
Slide (sluice gate) - 1 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
39 |
Black Bear Creek At Pawnee
|
11cfs |
Arkansas River At Ralston
|
1820cfs |
Cimarron River Near Ripley
|
544cfs |
Hominy Creek Near Hominy
|
2cfs |
Salt Fork Arkansas River At Tonkawa
|
535cfs |
Chikaskia River Near Blackwell
|
242cfs |