Diamond International Corp Upper Dam
Key Takeaway
Diamond International Corp Upper Dam is classified as significant hazard in Massachusetts. It was completed in 1876 and is 150 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 23 ft (taller than 76.3% in MA) |
| Dam Length | 420 ft |
| Dam Type | Masonry |
| Max Storage | 600 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 214 sq mi |
| Year Completed | 1876 (150 years old) |
| NID ID | MA00562 |
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
ENERGY THORNDIKE, INC.
Private
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Diamond International Corp Upper Dam?
Diamond International Corp Upper Dam 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 Diamond International Corp Upper Dam?
Diamond International Corp Upper Dam is owned by ENERGY THORNDIKE, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Diamond International Corp Upper Dam built?
Diamond International Corp Upper Dam was completed in 1876, making it 150 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 Diamond International Corp Upper Dam?
Diamond International Corp Upper Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Diamond International Corp Upper Dam?
Diamond International Corp Upper Dam has a dam height of 23 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 Diamond International Corp Upper Dam last inspected?
Diamond International Corp Upper Dam was last inspected on September 12, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.