Jennings Randolph Dam
Key Takeaway
Jennings Randolph Dam is classified as high hazard in Maryland. It was completed in 1981 and is 45 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 | 296 ft (taller than 99.8% in MD) |
| Dam Length | 2,130 ft |
| Dam Type | Rockfill |
| Max Storage | 130.9K acre-ft |
| Normal Storage | 94.7K acre-ft |
| Surface Area | 965 acres |
| Drainage Area | 263 sq mi |
| Max Discharge | 193,000 cfs |
| Year Completed | 1981 (45 years old) |
| NID ID | MD00069 |
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
USACE - Baltimore District
Federal Government
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High Hazard 101 ftFrequently Asked Questions
What is the hazard classification of Jennings Randolph Dam?
Jennings Randolph Dam 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 Jennings Randolph Dam?
Jennings Randolph Dam is owned by USACE - Baltimore District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jennings Randolph Dam built?
Jennings Randolph Dam was completed in 1981, making it 45 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 Jennings Randolph Dam?
Jennings Randolph Dam serves the following purposes: Flood Risk Reduction, Other, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jennings Randolph Dam?
Jennings Randolph Dam has a dam height of 296 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 Jennings Randolph Dam last inspected?
Jennings Randolph Dam was last inspected on June 4, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.