Greenbrier State Park Dam & Dike
Key Takeaway
Greenbrier State Park Dam & Dike is classified as high hazard in Maryland. It was completed in 1965 and is 61 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 | 64 ft (taller than 94.5% in MD) |
| Dam Length | 445 ft |
| Dam Type | Earth |
| Max Storage | 734 acre-ft |
| Normal Storage | 414 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 14,168 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | MD00042 |
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
MD DNR-Public Lands, Engineering & Constr-Western
State Government
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Significant Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Greenbrier State Park Dam & Dike?
Greenbrier State Park Dam & Dike 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 Greenbrier State Park Dam & Dike?
Greenbrier State Park Dam & Dike is owned by MD DNR-Public Lands, Engineering & Constr-Western (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Greenbrier State Park Dam & Dike built?
Greenbrier State Park Dam & Dike was completed in 1965, making it 61 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 Greenbrier State Park Dam & Dike?
Greenbrier State Park Dam & Dike 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 Greenbrier State Park Dam & Dike?
Greenbrier State Park Dam & Dike has a dam height of 64 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 Greenbrier State Park Dam & Dike last inspected?
Greenbrier State Park Dam & Dike was last inspected on August 20, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.