North Reservoir Dam
Key Takeaway
North Reservoir Dam is classified as high hazard in Massachusetts. It was completed in 1874 and is 152 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 | 25 ft (taller than 79.2% in MA) |
| Dam Length | 780 ft |
| Dam Type | Earth |
| Max Storage | 893 acre-ft |
| Normal Storage | 712 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1874 (152 years old) |
| NID ID | MA00457 |
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 Winchester, Water Dept
Local Government
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High Hazard 27 ftFrequently Asked Questions
What is the hazard classification of North Reservoir Dam?
North 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 North Reservoir Dam?
North Reservoir Dam is owned by Town of Winchester, Water Dept (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was North Reservoir Dam built?
North Reservoir Dam was completed in 1874, making it 152 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 North Reservoir Dam?
North Reservoir Dam 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 North Reservoir Dam?
North Reservoir Dam has a dam height of 25 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 North Reservoir Dam last inspected?
North Reservoir Dam was last inspected on July 24, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.