Wyassup Lake Dam
Key Takeaway
Wyassup Lake 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 | 495 ft |
| Dam Type | Earth |
| Max Storage | 800 acre-ft |
| Normal Storage | 533 acre-ft |
| Surface Area | 90 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 300 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | CT00570 |
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
Connecticut DEEP
State Government
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Significant Hazard 6 ftFrequently Asked Questions
What is the hazard classification of Wyassup Lake Dam?
Wyassup 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 Wyassup Lake Dam?
Wyassup Lake Dam is owned by Connecticut DEEP (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wyassup Lake Dam built?
Wyassup Lake 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 Wyassup Lake Dam?
Wyassup 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 Wyassup Lake Dam?
Wyassup Lake 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 Wyassup Lake Dam last inspected?
Wyassup Lake Dam was last inspected on October 2, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.