Attoyac Bayou WS SCS Site 9 Dam
Key Takeaway
Attoyac Bayou WS SCS Site 9 Dam is classified as high hazard in Texas. It was completed in 1980 and is 46 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 31 ft (taller than 70.6% in TX) |
| Dam Length | 1,450 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 121 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,383 cfs |
| Year Completed | 1980 (46 years old) |
| NID ID | TX04762 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ATTOYAC BAYOU WATERSHED AUTHORITY;CITY OF CENTER;SHELBY COUNTY COMMISSIONERS COURT;SHELBY SWCD
Local Government
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Attoyac Bayou WS SCS Site 9 Dam?
Attoyac Bayou WS SCS Site 9 Dam is classified as High Hazard. Loss of human life is likely if the dam fails. 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 9 Dam?
Attoyac Bayou WS SCS Site 9 Dam is owned by ATTOYAC BAYOU WATERSHED AUTHORITY;CITY OF CENTER;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 9 Dam built?
Attoyac Bayou WS SCS Site 9 Dam was completed in 1980, making it 46 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 9 Dam?
Attoyac Bayou WS SCS Site 9 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 9 Dam?
Attoyac Bayou WS SCS Site 9 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 9 Dam last inspected?
Attoyac Bayou WS SCS Site 9 Dam was last inspected on February 24, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.