Silvia'S Upper Pond Dam
Key Takeaway
Silvia'S Upper Pond Dam is classified as high hazard in Connecticut. It was completed in 1870 and is 156 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 | 120 ft |
| Dam Type | Earth |
| Max Storage | 262 acre-ft |
| Normal Storage | 215 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 134 cfs |
| Year Completed | 1870 (156 years old) |
| NID ID | CT00612 |
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
Briarpatch LLC;Gunther;Pollock
Private
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Significant Hazard 6 ftFrequently Asked Questions
What is the hazard classification of Silvia'S Upper Pond Dam?
Silvia'S Upper Pond 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 Silvia'S Upper Pond Dam?
Silvia'S Upper Pond Dam is owned by Briarpatch LLC;Gunther;Pollock (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Silvia'S Upper Pond Dam built?
Silvia'S Upper Pond Dam was completed in 1870, making it 156 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 Silvia'S Upper Pond Dam?
Silvia'S Upper Pond 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 Silvia'S Upper Pond Dam?
Silvia'S Upper Pond 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 Silvia'S Upper Pond Dam last inspected?
Silvia'S Upper Pond Dam was last inspected on November 4, 1986. Inspection dates indicate when a formal review occurred, not the results of that inspection.