Henson Creek Flood Control Dam #17
Key Takeaway
Henson Creek Flood Control Dam #17 is classified as significant hazard in Maryland. It was completed in 1992 and is 34 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 50.6% in MD) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 58 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,428 cfs |
| Year Completed | 1992 (34 years old) |
| Year Modified | 1992 |
| NID ID | MD00575 |
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
MNCPPC Prince Georges County Parks
Local Government
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Significant Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Henson Creek Flood Control Dam #17?
Henson Creek Flood Control Dam #17 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 Henson Creek Flood Control Dam #17?
Henson Creek Flood Control Dam #17 is owned by MNCPPC Prince Georges County Parks (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Henson Creek Flood Control Dam #17 built?
Henson Creek Flood Control Dam #17 was completed in 1992, making it 34 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 Henson Creek Flood Control Dam #17?
Henson Creek Flood Control Dam #17 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 Henson Creek Flood Control Dam #17?
Henson Creek Flood Control Dam #17 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 Henson Creek Flood Control Dam #17 last inspected?
Henson Creek Flood Control Dam #17 was last inspected on July 15, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.