Nabnasset Pond Dam
Key Takeaway
Nabnasset Pond Dam is classified as significant hazard in Massachusetts. It was completed in 1926 and is 100 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 14 ft (taller than 45.2% in MA) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 1.5K acre-ft |
| Normal Storage | 1.0K acre-ft |
| Surface Area | 140 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1926 (100 years old) |
| NID ID | MA01182 |
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
TOWN OF WESTFORD, BOARD OF SELECTMEN
Local Government
Nearby Dams
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Significant Hazard 24 ftUpper Flint Pond Dam
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Significant Hazard 10 ftLower Flint Pond Dam
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Nabnasset Pond Dam?
Nabnasset 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 Nabnasset Pond Dam?
Nabnasset Pond Dam is owned by TOWN OF WESTFORD, BOARD OF SELECTMEN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nabnasset Pond Dam built?
Nabnasset Pond Dam was completed in 1926, making it 100 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 Nabnasset Pond Dam?
Nabnasset 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 Nabnasset Pond Dam?
Nabnasset Pond Dam has a dam height of 14 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 Nabnasset Pond Dam last inspected?
Nabnasset Pond Dam was last inspected on December 28, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.