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Humidity
SCS-Little Washita River Site-38 is a state-owned structure located in Ninnekah, Oklahoma, along the West Bills Creek.
Designed by the USDA NRCS and completed in 1972, this earth dam stands at a height of 54 feet and serves primarily for flood risk reduction purposes. With a normal storage capacity of 149 acre-feet and a maximum storage of 762 acre-feet, the dam covers a surface area of 21 acres and has a controlled spillway to manage maximum discharge of 5274 cubic feet per second.
Despite being assessed as in fair condition, SCS-Little Washita River Site-38 poses a significant hazard potential due to its age and design. The dam has a very high risk rating of 1, indicating the need for regular inspections and risk management measures. The state regulatory agency, OWRB, oversees the permitting, inspection, and enforcement of this structure to ensure public safety and environmental protection. With its strategic location and vital role in flood risk mitigation, this site is a crucial component of the water resource infrastructure in Grady County, Oklahoma.
Year Completed |
1972 |
Dam Length |
1190 |
Dam Height |
54 |
River Or Stream |
WEST BILLS CREEK |
Primary Dam Type |
Earth |
Surface Area |
21 |
Hydraulic Height |
48 |
Nid Storage |
762 |
Structural Height |
54 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
54 |
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