Attoyac Bayou WS SCS Site 21 Dam
Key Takeaway
Attoyac Bayou WS SCS Site 21 Dam is classified as low hazard in Texas. It was completed in 1977 and is 49 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 42 ft (taller than 87.1% in TX) |
| Dam Length | 1,150 ft |
| Dam Type | Earth |
| Max Storage | 2.1K acre-ft |
| Normal Storage | 81 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 4 sq mi |
| Year Completed | 1977 (49 years old) |
| NID ID | TX04486 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ATTOYAC BAYOU WATERSHED AUTHORITY;NACOGDOCHES COUNTY;NACOGDOCHES SWCD
Local Government
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Attoyac Bayou WS SCS Site 21 Dam?
Attoyac Bayou WS SCS Site 21 Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. 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 21 Dam?
Attoyac Bayou WS SCS Site 21 Dam is owned by ATTOYAC BAYOU WATERSHED AUTHORITY;NACOGDOCHES COUNTY;NACOGDOCHES SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Attoyac Bayou WS SCS Site 21 Dam built?
Attoyac Bayou WS SCS Site 21 Dam was completed in 1977, making it 49 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 21 Dam?
Attoyac Bayou WS SCS Site 21 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 21 Dam?
Attoyac Bayou WS SCS Site 21 Dam has a dam height of 42 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 21 Dam last inspected?
Attoyac Bayou WS SCS Site 21 Dam was last inspected on May 1, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.