Montgomery Airpark Dam (Asset 11568)
Key Takeaway
Montgomery Airpark Dam (Asset 11568) is classified as high hazard in Maryland. It was completed in 1985 and is 41 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 | 22 ft (taller than 50.6% in MD) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 27 acre-ft |
| Normal Storage | 2 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 871 cfs |
| Year Completed | 1985 (41 years old) |
| Year Modified | 2010 |
| NID ID | MD00494 |
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
Montgomery County Revenue Authority
Local Government
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What is the hazard classification of Montgomery Airpark Dam (Asset 11568)?
Montgomery Airpark Dam (Asset 11568) 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 Montgomery Airpark Dam (Asset 11568)?
Montgomery Airpark Dam (Asset 11568) is owned by Montgomery County Revenue Authority (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Montgomery Airpark Dam (Asset 11568) built?
Montgomery Airpark Dam (Asset 11568) was completed in 1985, making it 41 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 Montgomery Airpark Dam (Asset 11568)?
Montgomery Airpark Dam (Asset 11568) serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Montgomery Airpark Dam (Asset 11568)?
Montgomery Airpark Dam (Asset 11568) has a dam height of 22 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 Montgomery Airpark Dam (Asset 11568) last inspected?
Montgomery Airpark Dam (Asset 11568) was last inspected on January 12, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.