Located in Grayson County, Texas, Choctaw Creek WS NRCS Site 8a is a key site managed by the local government for flood risk reduction along Sand Creek.
Wind
Humidity
This earth dam, designed by USDA NRCS and completed in 2000, stands at a height of 52.5 feet and spans a length of 2162 feet, providing storage of up to 2654 acre-feet in its reservoir. With a drainage area of 4.06 square miles and a maximum discharge capacity of 34000 cubic feet per second, this structure plays a crucial role in managing water flow and mitigating flood risks in the region.
The dam, regulated by the Texas Commission on Environmental Quality (TCEQ), features a spillway type of uncontrolled with a width of 173 feet. Despite being designated as "Fair" in its condition assessment as of April 2021, the site has an inspection frequency of 5 years to ensure its continued reliability. With a moderate risk assessment rating of 3, the dam's emergency action plan (EAP) status and risk management measures are currently not available, highlighting a potential area for improvement in the site's overall emergency preparedness and response capabilities.
With its strategic location and design features, Choctaw Creek WS NRCS Site 8a serves as a vital component in the water resource infrastructure of the area. As climate change impacts continue to pose challenges to water management, understanding and enhancing the resilience of structures like this earth dam will be crucial in ensuring the safety and sustainability of water resources for the communities it serves.
Years Modified |
2007 - Other |
Year Completed |
2000 |
Dam Length |
2162 |
Dam Height |
52.5 |
River Or Stream |
SAND CREEK |
Primary Dam Type |
Earth |
Surface Area |
16 |
Hydraulic Height |
52.5 |
Drainage Area |
4.06 |
Nid Storage |
2654 |
Structural Height |
52.5 |
Outlet Gates |
Slide (sluice gate) - 1, Uncontrolled - 2 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
53 |