The Highway 71 Dam, located in Austin, Texas, was completed in 1999 and serves as a crucial structure for flood risk reduction along the Williamson River.
Wind
Humidity
Designed by CAMP DRESSER AND MCKEE INC, this Roller-Compacted Concrete dam stands at a height of 26 feet and stretches 730 feet in length. With a storage capacity of 156 acre-feet, the dam plays a vital role in managing water flow and protecting the surrounding area from potential flooding events.
Despite its importance, the Highway 71 Dam is currently assessed to be in poor condition, highlighting the need for maintenance and upgrades to ensure its continued effectiveness. The dam features an uncontrolled spillway with a width of 739 feet, and two uncontrolled outlet gates. The dam is regulated by the Texas Commission on Environmental Quality (TCEQ) and undergoes regular inspections to monitor its structural integrity and overall safety. With a moderate risk assessment rating of 3, it is crucial to implement proper risk management measures to maintain the dam's functionality and safeguard the community from potential hazards.
As a key component of the local flood risk reduction infrastructure, the Highway 71 Dam plays a crucial role in protecting the residents and environment of Travis County, Texas. With its strategic location and design, this dam serves as a bulwark against the forces of nature, ensuring the safety and well-being of those living in the area. As water resource and climate enthusiasts, it is important to advocate for the proper maintenance and upkeep of such critical infrastructure to mitigate risks and preserve the integrity of our water management systems.
Year Completed |
1999 |
Dam Length |
730 |
Dam Height |
26 |
River Or Stream |
WILLIAMSON |
Primary Dam Type |
Roller-Compacted Concrete |
Hydraulic Height |
26 |
Drainage Area |
1.34 |
Nid Storage |
156 |
Structural Height |
26 |
Outlet Gates |
Uncontrolled - 2 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
26 |
| Location | Reservations | Toilets |
|---|---|---|
Emma Long Metropolitan Park
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Camp Mabry Military
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Arkansas Bend - Lake Travis
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McKinney Falls State Park
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