Greylock Greenhouse Dam
Key Takeaway
Greylock Greenhouse Dam is classified as significant hazard in Massachusetts. It was completed in 1997 and is 29 years old. Its primary use is fish and wildlife pond. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 7 ft (taller than 2.3% in MA) |
| Dam Length | 160 ft |
| Dam Type | Earth |
| Max Storage | 12 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1997 (29 years old) |
| NID ID | MA02601 |
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
DCR - DEPT. OF CONSERVATION & RECREATION
State Government
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High Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Greylock Greenhouse Dam?
Greylock Greenhouse 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 Greylock Greenhouse Dam?
Greylock Greenhouse Dam is owned by DCR - DEPT. OF CONSERVATION & RECREATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Greylock Greenhouse Dam built?
Greylock Greenhouse Dam was completed in 1997, making it 29 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 Greylock Greenhouse Dam?
Greylock Greenhouse Dam serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Greylock Greenhouse Dam?
Greylock Greenhouse Dam has a dam height of 7 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 Greylock Greenhouse Dam last inspected?
Greylock Greenhouse Dam was last inspected on September 22, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.