Heritage Harbour (Mastline Drive)
Key Takeaway
Heritage Harbour (Mastline Drive) is classified as low hazard in Maryland. It was completed in 1974 and is 52 years old. Its primary use is recreation.
Physical Details
| Dam Height | 34 ft (taller than 78.9% in MD) |
| Dam Length | 625 ft |
| Dam Type | Earth |
| Max Storage | 100 acre-ft |
| Normal Storage | 46 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 300 cfs |
| Year Completed | 1974 (52 years old) |
| Year Modified | 1974 |
| NID ID | MD00150 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Heritage Harbour Comm Assoc
Private
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Significant Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Heritage Harbour (Mastline Drive)?
Heritage Harbour (Mastline Drive) is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Heritage Harbour (Mastline Drive)?
Heritage Harbour (Mastline Drive) is owned by Heritage Harbour Comm Assoc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Heritage Harbour (Mastline Drive) built?
Heritage Harbour (Mastline Drive) was completed in 1974, making it 52 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 Harbour (Mastline Drive)?
Heritage Harbour (Mastline Drive) serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Heritage Harbour (Mastline Drive)?
Heritage Harbour (Mastline Drive) has a dam height of 34 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 Harbour (Mastline Drive) last inspected?
Heritage Harbour (Mastline Drive) was last inspected on July 21, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.