Neponset Reservoir Dam
Key Takeaway
Neponset Reservoir Dam is classified as significant hazard in Massachusetts. It was completed in 2009 and is 17 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 10 ft (taller than 18% in MA) |
| Dam Length | 275 ft |
| Dam Type | Earth |
| Max Storage | 2.5K acre-ft |
| Normal Storage | 1.5K acre-ft |
| Surface Area | 315 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 2009 (17 years old) |
| NID ID | MA03115 |
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 FOXBOROUGH, BOARD OF SELECTMEN
Local Government
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Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Neponset Reservoir Dam?
Neponset Reservoir 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 Neponset Reservoir Dam?
Neponset Reservoir Dam is owned by TOWN OF FOXBOROUGH, BOARD OF SELECTMEN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Neponset Reservoir Dam built?
Neponset Reservoir 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 Neponset Reservoir Dam?
Neponset Reservoir 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 Neponset Reservoir Dam?
Neponset Reservoir Dam has a dam height of 10 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 Neponset Reservoir Dam last inspected?
Neponset Reservoir Dam was last inspected on April 27, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.