Hamilton Reservoir Dam
Key Takeaway
Hamilton Reservoir Dam is classified as high hazard in Massachusetts. It was completed in 1960 and is 66 years old. Its primary use is recreation. 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 | 17 ft (taller than 60.3% in MA) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 4.2K acre-ft |
| Normal Storage | 1.9K acre-ft |
| Surface Area | 400 acres |
| Drainage Area | 18 sq mi |
| Year Completed | 1960 (66 years old) |
| NID ID | MA00536 |
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 HOLLAND, BOARD OF SELECTMEN
Local Government
Nearby Dams
Wallace Pond Dam
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Low Hazard 15 ftGoodhall Dam
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High Hazard 53 ftSessions Meadow Marsh Dam
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Low Hazard 11 ftWells Pond Dam
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Significant Hazard 11 ftOld Mill Pond Dam
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Significant Hazard 13 ftShawville Pond Dam
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Significant Hazard 13 ftMiddle Pond Dam
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Hamilton Reservoir Dam?
Hamilton Reservoir Dam 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 Hamilton Reservoir Dam?
Hamilton Reservoir Dam is owned by TOWN OF HOLLAND, BOARD OF SELECTMEN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hamilton Reservoir Dam built?
Hamilton Reservoir Dam was completed in 1960, making it 66 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 Hamilton Reservoir Dam?
Hamilton Reservoir Dam 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 Hamilton Reservoir Dam?
Hamilton Reservoir Dam has a dam height of 17 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 Hamilton Reservoir Dam last inspected?
Hamilton Reservoir Dam was last inspected on May 8, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.