Alvin Gray Dam
Key Takeaway
Alvin Gray Dam is classified as low hazard in Louisiana. It was completed in 1986 and is 40 years old. Its primary use is recreation.
Physical Details
| Dam Height | 15 ft (taller than 33.1% in LA) |
| Dam Length | 493 ft |
| Dam Type | Earth |
| Max Storage | 57 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,018 cfs |
| Year Completed | 1986 (40 years old) |
| NID ID | LA00436 |
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
Gray Family Irrevocable Trust
Private
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Alvin Gray Dam?
Alvin Gray 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 Alvin Gray Dam?
Alvin Gray Dam is owned by Gray Family Irrevocable Trust (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Alvin Gray Dam built?
Alvin Gray Dam was completed in 1986, making it 40 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 Alvin Gray Dam?
Alvin Gray Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Alvin Gray Dam?
Alvin Gray Dam has a dam height of 15 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 Alvin Gray Dam last inspected?
Alvin Gray Dam was last inspected on April 12, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.