Ponkapoag Pond Dam
Key Takeaway
Ponkapoag Pond Dam is classified as significant hazard in Massachusetts. It was completed in 2009 and is 17 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 | 1,300 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 285 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 2009 (17 years old) |
| NID ID | MA03107 |
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 10 ftFrequently Asked Questions
What is the hazard classification of Ponkapoag Pond Dam?
Ponkapoag Pond 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 Ponkapoag Pond Dam?
Ponkapoag Pond 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 Ponkapoag Pond Dam built?
Ponkapoag Pond Dam was completed in 2009, making it 17 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 Ponkapoag Pond Dam?
Ponkapoag Pond 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 Ponkapoag Pond Dam?
Ponkapoag Pond 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 Ponkapoag Pond Dam last inspected?
Ponkapoag Pond Dam was last inspected on June 19, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.