Lake Whetstone Dam (Montgomery Village Avenue)
Key Takeaway
Lake Whetstone Dam (Montgomery Village Avenue) is classified as significant hazard in Maryland. It was completed in 1966 and is 60 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 36 ft (taller than 81.5% in MD) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 930 acre-ft |
| Normal Storage | 167 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,730 cfs |
| Year Completed | 1966 (60 years old) |
| Year Modified | 1966 |
| NID ID | MD00053 |
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
Montgomery Village Foundation, Inc.
Private
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What is the hazard classification of Lake Whetstone Dam (Montgomery Village Avenue)?
Lake Whetstone Dam (Montgomery Village Avenue) 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 Lake Whetstone Dam (Montgomery Village Avenue)?
Lake Whetstone Dam (Montgomery Village Avenue) is owned by Montgomery Village Foundation, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Whetstone Dam (Montgomery Village Avenue) built?
Lake Whetstone Dam (Montgomery Village Avenue) was completed in 1966, making it 60 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 Whetstone Dam (Montgomery Village Avenue)?
Lake Whetstone Dam (Montgomery Village Avenue) 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 Whetstone Dam (Montgomery Village Avenue)?
Lake Whetstone Dam (Montgomery Village Avenue) has a dam height of 36 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 Whetstone Dam (Montgomery Village Avenue) last inspected?
Lake Whetstone Dam (Montgomery Village Avenue) was last inspected on July 14, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.