Upper Banjo Pond Dam
Key Takeaway
Upper Banjo Pond Dam is classified as high hazard in Massachusetts. It was completed in 1908 and is 118 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 | 149 ft |
| Dam Type | Concrete |
| Max Storage | 66 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1908 (118 years old) |
| NID ID | MA00185 |
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
Upper Banjo, LLC
Private
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Upper Banjo Pond Dam?
Upper Banjo Pond 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 Upper Banjo Pond Dam?
Upper Banjo Pond Dam is owned by Upper Banjo, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Banjo Pond Dam built?
Upper Banjo Pond Dam was completed in 1908, making it 118 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 Upper Banjo Pond Dam?
Upper Banjo Pond 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 Upper Banjo Pond Dam?
Upper Banjo Pond 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 Upper Banjo Pond Dam last inspected?
Upper Banjo Pond Dam was last inspected on November 8, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.