Quillinan Reservoir Dam
Key Takeaway
Quillinan Reservoir Dam is classified as high hazard in Connecticut. It was completed in 1880 and is 146 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 19 ft (taller than 71.2% in CT) |
| Dam Length | 575 ft |
| Dam Type | Earth |
| Surface Area | 12 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1880 (146 years old) |
| Year Modified | 1991 |
| NID ID | CT00024 |
Safety Information
Loss of human life is likely if the dam fails.
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 10 ftFrequently Asked Questions
What is the hazard classification of Quillinan Reservoir Dam?
Quillinan Reservoir Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Quillinan Reservoir Dam?
Quillinan Reservoir Dam is owned by Connecticut DEEP (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Quillinan Reservoir Dam built?
Quillinan Reservoir Dam was completed in 1880, making it 146 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 Quillinan Reservoir Dam?
Quillinan Reservoir 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 Quillinan Reservoir Dam?
Quillinan Reservoir Dam has a dam height of 19 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 Quillinan Reservoir Dam last inspected?
Quillinan Reservoir Dam was last inspected on October 1, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.