Pataguanset Lake Dam
Key Takeaway
Pataguanset Lake Dam is classified as high hazard in Connecticut. It was completed in 1942 and is 84 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 | 12 ft (taller than 42.4% in CT) |
| Dam Length | 210 ft |
| Dam Type | Earth |
| Max Storage | 950 acre-ft |
| Normal Storage | 310 acre-ft |
| Surface Area | 120 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 550 cfs |
| Year Completed | 1942 (84 years old) |
| NID ID | CT00159 |
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 9 ftFrequently Asked Questions
What is the hazard classification of Pataguanset Lake Dam?
Pataguanset Lake 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 Pataguanset Lake Dam?
Pataguanset Lake Dam is owned by Connecticut DEEP (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pataguanset Lake Dam built?
Pataguanset Lake Dam was completed in 1942, making it 84 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 Pataguanset Lake Dam?
Pataguanset 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 Pataguanset Lake Dam?
Pataguanset Lake Dam has a dam height of 12 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 Pataguanset Lake Dam last inspected?
Pataguanset Lake Dam was last inspected on July 25, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.