Twin Lakes Dam
Key Takeaway
Twin Lakes Dam is classified as significant hazard in Connecticut. It was completed in 1900 and is 126 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 72.5% in CT) |
| Dam Length | 100 ft |
| Dam Type | Earth |
| Max Storage | 9.3K acre-ft |
| Normal Storage | 5.7K acre-ft |
| Surface Area | 855 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1900 (126 years old) |
| NID ID | CT00593 |
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 Salisbury
Local Government
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Significant Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Twin Lakes Dam?
Twin Lakes 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 Twin Lakes Dam?
Twin Lakes Dam is owned by Town of Salisbury (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twin Lakes Dam built?
Twin Lakes Dam was completed in 1900, making it 126 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 Twin Lakes Dam?
Twin Lakes 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 Twin Lakes Dam?
Twin Lakes Dam has a dam height of 20 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 Twin Lakes Dam last inspected?
Twin Lakes Dam was last inspected on April 30, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.