The Upper Brushy Creek WS SCS Site 12 Dam, located in Round Rock, Texas, is a critical flood risk reduction structure designed by the USDA NRCS and completed in 1967.
Wind
Humidity
This earth dam stands at a height of 32 feet and spans a length of 5000 feet, with a storage capacity of 2984 acre-feet and a drainage area of 3.57 square miles. The dam serves multiple purposes including fire protection, stock, small fish pond, and flood risk reduction along the Onion Branch river.
Managed by the Texas Commission on Environmental Quality (TCEQ), the dam has undergone inspections with a satisfactory condition assessment as of June 2017. The dam features an uncontrolled spillway with a width of 302 feet and outlet gates including a slide gate and two uncontrolled gates. Despite a moderate risk assessment level, the dam has not been assigned a hazard potential.
With its strategic location and effective design, the Upper Brushy Creek WS SCS Site 12 Dam plays a crucial role in protecting the surrounding community from potential flooding events. Water resource and climate enthusiasts will appreciate the engineering ingenuity and regulatory oversight that have gone into ensuring the safety and functionality of this essential infrastructure.
Years Modified |
2005 - Other, 2008 - Hydraulic |
Year Completed |
1967 |
Dam Length |
5000 |
Dam Height |
32 |
River Or Stream |
ONION BRANCH |
Primary Dam Type |
Earth |
Surface Area |
25 |
Hydraulic Height |
32 |
Drainage Area |
3.57 |
Nid Storage |
2984 |
Structural Height |
32 |
Outlet Gates |
Slide (sluice gate) - 1, Uncontrolled - 2 |
Hazard Potential |
Not Available |
Foundations |
Rock, Soil |
Nid Height |
32 |