Gray Lake Dam
Key Takeaway
Gray Lake Dam is classified as significant hazard in Louisiana. It was completed in 1986 and is 40 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 41% in LA) |
| Dam Length | 716 ft |
| Dam Type | Earth |
| Max Storage | 380 acre-ft |
| Normal Storage | 304 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 250 cfs |
| Year Completed | 1986 (40 years old) |
| NID ID | LA00501 |
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
Gray Lake Homeowners Ass.
Private
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High HazardPattridge Pond
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Gray Lake Dam?
Gray Lake 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 Gray Lake Dam?
Gray Lake Dam is owned by Gray Lake Homeowners Ass. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gray Lake Dam built?
Gray Lake 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 Gray Lake Dam?
Gray Lake 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 Gray Lake Dam?
Gray Lake Dam has a dam height of 16 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 Gray Lake Dam last inspected?
Gray Lake Dam was last inspected on December 22, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.