Leahey (Upper) Reservoir Dam and Dike
Key Takeaway
Leahey (Upper) Reservoir Dam and Dike is classified as high hazard in Massachusetts. It was completed in 1964 and is 62 years old. Its primary use is water supply. 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 | 57 ft (taller than 96.6% in MA) |
| Dam Length | 650 ft |
| Dam Type | Earth |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 740 acre-ft |
| Surface Area | 47 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1964 (62 years old) |
| NID ID | MA00265 |
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
TOWN OF LEE, BOARD OF SELECTMEN
Local Government
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What is the hazard classification of Leahey (Upper) Reservoir Dam and Dike?
Leahey (Upper) Reservoir Dam and Dike 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 Leahey (Upper) Reservoir Dam and Dike?
Leahey (Upper) Reservoir Dam and Dike is owned by TOWN OF LEE, BOARD OF SELECTMEN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Leahey (Upper) Reservoir Dam and Dike built?
Leahey (Upper) Reservoir Dam and Dike was completed in 1964, making it 62 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 Leahey (Upper) Reservoir Dam and Dike?
Leahey (Upper) Reservoir Dam and Dike serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Leahey (Upper) Reservoir Dam and Dike?
Leahey (Upper) Reservoir Dam and Dike has a dam height of 57 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 Leahey (Upper) Reservoir Dam and Dike last inspected?
Leahey (Upper) Reservoir Dam and Dike was last inspected on October 26, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.