Located in Grayson, Texas, the Sister Grove Creek WS SCS Site 23 Dam is a vital structure designed by the USDA NRCS to mitigate flood risks along the TR-Sister Grove Creek.
Wind
Humidity
Completed in 1960, this earth dam stands at a height of 24 feet and spans a length of 1325 feet, providing a storage capacity of 432 acre-feet. With a fair condition assessment as of April 2021, the dam plays a crucial role in managing water flow and ensuring the safety of nearby communities during heavy rainfall events.
Managed by local government authorities and regulated by the Texas Commission on Environmental Quality (TCEQ), the dam is inspected every two years to maintain its structural integrity and functionality. The spillway, with a width of 101 feet, serves as an uncontrolled outlet for excess water, while the dam's two uncontrolled outlet gates facilitate water release when necessary. Despite a moderate risk rating, the Sister Grove Creek WS SCS Site 23 Dam continues to effectively reduce flood risks and protect downstream areas from potential inundation, highlighting its importance in water resource management and climate resilience efforts in the region.
As a key component in the flood risk reduction infrastructure of the area, the Sister Grove Creek WS SCS Site 23 Dam not only safeguards against potential hazards but also contributes to the sustainable management of water resources in Grayson County, Texas. With its strategic location and design features, this dam exemplifies the collaborative efforts between federal agencies, local governments, and regulatory bodies in ensuring the safety and resilience of communities in the face of changing climatic conditions. Moving forward, continued monitoring and maintenance of the dam will be essential to uphold its functionality and effectiveness in mitigating flood risks and protecting the surrounding environment.
Year Completed |
1960 |
Dam Length |
1325 |
Dam Height |
24 |
River Or Stream |
TR-SISTER GROVE CREEK |
Primary Dam Type |
Earth |
Surface Area |
15.7 |
Hydraulic Height |
24 |
Drainage Area |
0.79 |
Nid Storage |
432 |
Structural Height |
24 |
Outlet Gates |
Uncontrolled - 2 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
24 |