Lake of Isles Dam
Key Takeaway
Lake of Isles Dam is classified as significant hazard in Connecticut. It was completed in 1920 and is 106 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 58.6% in CT) |
| Dam Length | 160 ft |
| Dam Type | Earth |
| Normal Storage | 609 acre-ft |
| Surface Area | 92 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 98 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | CT00572 |
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
Lake of Isles LLC
Private
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Significant Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Lake of Isles Dam?
Lake of Isles 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 Lake of Isles Dam?
Lake of Isles Dam is owned by Lake of Isles LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake of Isles Dam built?
Lake of Isles Dam was completed in 1920, making it 106 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 Lake of Isles Dam?
Lake of Isles 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 Lake of Isles Dam?
Lake of Isles Dam has a dam height of 15 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 Lake of Isles Dam last inspected?
Lake of Isles Dam was last inspected on July 27, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.