Montaup #3 Dam
Key Takeaway
Montaup #3 Dam is classified as low hazard in Massachusetts. Its primary use is water supply.
Physical Details
| Dam Height | 11 ft (taller than 25.5% in MA) |
| Dam Length | 210 ft |
| Dam Type | Gravity |
| Max Storage | 60 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 12 sq mi |
| NID ID | MA01083 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
TOWN OF SWANSEA
Local Government
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High Hazard 48 ftFrequently Asked Questions
What is the hazard classification of Montaup #3 Dam?
Montaup #3 Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Montaup #3 Dam?
Montaup #3 Dam is owned by TOWN OF SWANSEA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Montaup #3 Dam?
Montaup #3 Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Montaup #3 Dam?
Montaup #3 Dam has a dam height of 11 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 Montaup #3 Dam last inspected?
Montaup #3 Dam was last inspected on August 1, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.