Wachusett Lake Dam
Key Takeaway
Wachusett Lake Dam is classified as significant hazard in Massachusetts. It was completed in 1905 and is 121 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 4 ft (taller than 0.2% in MA) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 579 acre-ft |
| Normal Storage | 187 acre-ft |
| Surface Area | 130 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1905 (121 years old) |
| NID ID | MA00642 |
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
CITY OF FITCHBURG, DIVISION OF WATER SUPPLY
Local Government
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Significant Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Wachusett Lake Dam?
Wachusett Lake 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 Wachusett Lake Dam?
Wachusett Lake Dam is owned by CITY OF FITCHBURG, DIVISION OF WATER SUPPLY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wachusett Lake Dam built?
Wachusett Lake Dam was completed in 1905, making it 121 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 Wachusett Lake Dam?
Wachusett Lake 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 Wachusett Lake Dam?
Wachusett Lake Dam has a dam height of 4 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 Wachusett Lake Dam last inspected?
Wachusett Lake Dam was last inspected on December 3, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.