Quinebaug
Key Takeaway
Quinebaug is classified as low hazard in Connecticut. It was completed in 1855 and is 171 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 14 ft (taller than 54.3% in CT) |
| Dam Length | 250 ft |
| Dam Type | Masonry |
| Max Storage | 283 acre-ft |
| Normal Storage | 283 acre-ft |
| Surface Area | 85 acres |
| Drainage Area | 384 sq mi |
| Max Discharge | 6,934 cfs |
| Year Completed | 1855 (171 years old) |
| NID ID | CT00513 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Quinebaug Associates, LLC
Private
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Significant Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Quinebaug?
Quinebaug is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Quinebaug?
Quinebaug is owned by Quinebaug Associates, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Quinebaug built?
Quinebaug was completed in 1855, making it 171 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 Quinebaug?
Quinebaug serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Quinebaug?
Quinebaug has a dam height of 14 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 Quinebaug last inspected?
Quinebaug was last inspected on September 12, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.