Attoyac Bayou WS SCS Site 7 Dam, located in Shelby County, Texas, was constructed in 1974 by the USDA NRCS for flood risk reduction along the Big Branch river.
Wind
Humidity
This Earth-type dam stands at a height of 27 feet and spans a length of 1012 feet, with a storage capacity of 735 acre-feet and a surface area of 33.3 acres. Despite its age, the dam remains in satisfactory condition and has not been rated for hazard potential.
The primary purpose of Attoyac Bayou WS SCS Site 7 Dam is flood risk reduction, although it also serves purposes such as fire protection and stock or small fish pond management. The dam is owned by the local government and regulated by the Texas Commission on Environmental Quality (TCEQ), with state permitting, inspection, and enforcement in place. Although it lacks a spillway, the dam is equipped with a slide gate for outlet control. The risk assessment for this dam is considered high, indicating a need for ongoing monitoring and risk management measures. For water resource and climate enthusiasts, this dam represents a crucial infrastructure for managing flood risks in the region.
Year Completed |
1974 |
Dam Length |
1012 |
Dam Height |
27 |
River Or Stream |
BIG BRANCH |
Primary Dam Type |
Earth |
Surface Area |
33.3 |
Hydraulic Height |
27 |
Drainage Area |
1.3 |
Nid Storage |
735 |
Structural Height |
27 |
Outlet Gates |
Slide (sluice gate) - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
27 |
E Fk Angelina Rv Nr Cushing
|
40cfs |
Bayou Lanana At Nacogdoches
|
9cfs |
Sabine Rv Nr Carthage
|
9200cfs |
Sabine Rv Nr Beckville
|
946cfs |
Attoyac Bayou Nr Chireno
|
1200cfs |
Bayou Grand Cane Near Stanley
|
6cfs |