Lake Allen Dam
Key Takeaway
Lake Allen Dam is classified as low hazard in Maryland. It was completed in 1947 and is 79 years old. Its primary use is recreation.
Physical Details
| Dam Height | 11 ft (taller than 7.4% in MD) |
| Dam Length | 410 ft |
| Dam Type | Earth |
| Max Storage | 144 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 5 sq mi |
| Year Completed | 1947 (79 years old) |
| NID ID | MD00066 |
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
US FISH AND WILDLIFE SERVICE
Federal Government
Nearby Dams
Burba Lake Dam
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Significant Hazard 16 ftSeven Oaks Swm Dam
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Low Hazard 17 ftRussett Center Lower Dam / Pond #1
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Low Hazard 34 ftCrofton Farms Regional SWM Pond
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Low Hazard 15 ftRussett Center Upper Dam / Pond #2 (Ridgemere Crossing)
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Low Hazard 27 ftJessup Prison Dam
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Significant Hazard 31 ftJunction Industrial Park
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High Hazard 18 ftJessup Park Dam
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Significant Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Lake Allen Dam?
Lake Allen 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 Lake Allen Dam?
Lake Allen Dam is owned by US FISH AND WILDLIFE SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Allen Dam built?
Lake Allen Dam was completed in 1947, making it 79 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 Lake Allen Dam?
Lake Allen 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 Lake Allen Dam?
Lake Allen Dam has a dam height of 11 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 Lake Allen Dam last inspected?
Lake Allen Dam was last inspected on November 18, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.