Attoyac Bayou WS SCS Site 9 Dam, located in Shelby, Texas, stands as a key structure for flood risk reduction along Hardage Creek.
Wind
Humidity
Built in 1981 by the USDA NRCS, this earth dam stretches 1450 feet in length and reaches a height of 31 feet, providing storage for up to 1345 acre-feet of water. Despite its age, the dam is in fair condition and is regularly inspected by the Texas Commission on Environmental Quality to ensure its safety and efficacy.
With a primary purpose of flood risk reduction, the Attoyac Bayou WS SCS Site 9 Dam also serves additional functions such as fire protection and stock or small fish pond management. The dam's design includes a buttress core type and a slide (sluice gate) outlet gate, reflecting its engineering to manage water flow effectively. While it currently lacks a spillway, its strategic positioning and sturdy construction contribute to its overall effectiveness in flood control and water resource management in the area.
Although the dam's hazard potential is not available, its risk assessment is classified as high, prompting ongoing monitoring and risk management measures. Despite these challenges, the Attoyac Bayou WS SCS Site 9 Dam remains a critical structure for maintaining water resources and climate resilience in the region, highlighting the importance of proactive infrastructure management in safeguarding communities against natural disasters.
Year Completed |
1981 |
Dam Length |
1450 |
Dam Height |
31 |
River Or Stream |
HARDAGE CREEK |
Primary Dam Type |
Earth |
Surface Area |
15 |
Hydraulic Height |
31 |
Drainage Area |
2.2 |
Nid Storage |
1345 |
Structural Height |
31 |
Outlet Gates |
Slide (sluice gate) - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
31 |
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