Attoyac Bayou WS SCS Site 12 Dam
Key Takeaway
Attoyac Bayou WS SCS Site 12 Dam is classified as significant hazard in Texas. It was completed in 1976 and is 50 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 31 ft (taller than 70.6% in TX) |
| Dam Length | 1,200 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 881 cfs |
| Year Completed | 1976 (50 years old) |
| NID ID | TX05110 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ATTOYAC BAYOU WATERSHED AUTHORITY;SHELBY COUNTY COMMISSIONERS COURT;SHELBY SWCD
Local Government
Nearby Dams
Attoyac Bayou WS SCS Site 18a Dam
Nacogdoches, TX
Low Hazard 25 ftAttoyac Bayou WS SCS Site 11 Dam
Shelby, TX
Low Hazard 27 ftAttoyac Bayou WS SCS Site 15 Dam
Shelby, TX
Low Hazard 34 ftLake Timpson Dam
Shelby, TX
Low Hazard 30 ftPinkston Dam
Shelby, TX
High Hazard 62 ftLake Tinkle Dam
Nacogdoches, TX
Low Hazard 20 ftAttoyac Dam
Shelby, TX
Low Hazard 9 ftAttoyac Bayou WS SCS Site 9 Dam
Shelby, TX
High Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Attoyac Bayou WS SCS Site 12 Dam?
Attoyac Bayou WS SCS Site 12 Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Attoyac Bayou WS SCS Site 12 Dam?
Attoyac Bayou WS SCS Site 12 Dam is owned by ATTOYAC BAYOU WATERSHED AUTHORITY;SHELBY COUNTY COMMISSIONERS COURT;SHELBY SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Attoyac Bayou WS SCS Site 12 Dam built?
Attoyac Bayou WS SCS Site 12 Dam was completed in 1976, making it 50 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Attoyac Bayou WS SCS Site 12 Dam?
Attoyac Bayou WS SCS Site 12 Dam serves the following purposes: Flood Risk Reduction, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Attoyac Bayou WS SCS Site 12 Dam?
Attoyac Bayou WS SCS Site 12 Dam has a dam height of 31 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Attoyac Bayou WS SCS Site 12 Dam last inspected?
Attoyac Bayou WS SCS Site 12 Dam was last inspected on September 26, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.