Andover Lake Dam
Key Takeaway
Andover Lake Dam is classified as significant hazard in Connecticut. 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 | 18 ft (taller than 67.8% in CT) |
| Dam Length | 590 ft |
| Dam Type | Earth |
| Max Storage | 1.5K acre-ft |
| Surface Area | 166 acres |
| Drainage Area | 4 sq mi |
| Year Completed | 1926 (100 years old) |
| Year Modified | 1991 |
| NID ID | CT00624 |
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
Andover Lake Management Association
Private
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Significant Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Andover Lake Dam?
Andover 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 Andover Lake Dam?
Andover Lake Dam is owned by Andover Lake Management Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Andover Lake Dam built?
Andover Lake 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 Andover Lake Dam?
Andover Lake 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 Andover Lake Dam?
Andover Lake Dam has a dam height of 18 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 Andover Lake Dam last inspected?
Andover Lake Dam was last inspected on April 11, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.