Heritage Glen Dam
Key Takeaway
Heritage Glen Dam is classified as significant hazard in Maryland. It was completed in 2004 and is 22 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 | 12 ft (taller than 10.3% in MD) |
| Dam Length | 260 ft |
| Dam Type | Earth |
| Max Storage | 5 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 750 cfs |
| Year Completed | 2004 (22 years old) |
| Year Modified | 2004 |
| NID ID | MD00377 |
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
Prince Georges County
Local Government
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Significant Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Heritage Glen Dam?
Heritage Glen Dam 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 Heritage Glen Dam?
Heritage Glen Dam is owned by Prince Georges County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Heritage Glen Dam built?
Heritage Glen Dam was completed in 2004, making it 22 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 Heritage Glen Dam?
Heritage Glen Dam 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 Heritage Glen Dam?
Heritage Glen Dam has a dam height of 12 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 Heritage Glen Dam last inspected?
Heritage Glen Dam was last inspected on November 15, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.