Seneca State Park Dam (Seneca Creek Road)
Key Takeaway
Seneca State Park Dam (Seneca Creek Road) is classified as high hazard in Maryland. It was completed in 1975 and is 51 years old. Its primary use is recreation. 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 | 580 ft |
| Dam Type | Earth |
| Max Storage | 2.8K acre-ft |
| Normal Storage | 1.6K acre-ft |
| Surface Area | 90 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,727 cfs |
| Year Completed | 1975 (51 years old) |
| Year Modified | 1975 |
| NID ID | MD00087 |
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-Southern
State Government
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Significant Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Seneca State Park Dam (Seneca Creek Road)?
Seneca State Park Dam (Seneca Creek Road) 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 Seneca State Park Dam (Seneca Creek Road)?
Seneca State Park Dam (Seneca Creek Road) is owned by MD DNR-Public Lands, Engineering & Constr-Southern (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Seneca State Park Dam (Seneca Creek Road) built?
Seneca State Park Dam (Seneca Creek Road) was completed in 1975, making it 51 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 Seneca State Park Dam (Seneca Creek Road)?
Seneca State Park Dam (Seneca Creek Road) serves the following purposes: Recreation, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Seneca State Park Dam (Seneca Creek Road)?
Seneca State Park Dam (Seneca Creek Road) 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 Seneca State Park Dam (Seneca Creek Road) last inspected?
Seneca State Park Dam (Seneca Creek Road) was last inspected on September 18, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.