Twin Lakes Upper Pond (Hoile Lane)
Key Takeaway
Twin Lakes Upper Pond (Hoile Lane) is classified as significant hazard in Maryland. It was completed in 1970 and is 56 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 21.8% in MD) |
| Dam Length | 290 ft |
| Dam Type | Earth |
| Max Storage | 20 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 204 cfs |
| Year Completed | 1970 (56 years old) |
| Year Modified | 1987 |
| NID ID | MD00493 |
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
Twin Lakes Community Association, Inc.
Private
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Significant Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Twin Lakes Upper Pond (Hoile Lane)?
Twin Lakes Upper Pond (Hoile Lane) 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 Twin Lakes Upper Pond (Hoile Lane)?
Twin Lakes Upper Pond (Hoile Lane) is owned by Twin Lakes Community Association, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twin Lakes Upper Pond (Hoile Lane) built?
Twin Lakes Upper Pond (Hoile Lane) was completed in 1970, making it 56 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 Twin Lakes Upper Pond (Hoile Lane)?
Twin Lakes Upper Pond (Hoile Lane) 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 Twin Lakes Upper Pond (Hoile Lane)?
Twin Lakes Upper Pond (Hoile Lane) has a dam height of 15 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 Twin Lakes Upper Pond (Hoile Lane) last inspected?
Twin Lakes Upper Pond (Hoile Lane) was last inspected on August 23, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.