Spahn Pond Dam
Key Takeaway
Spahn Pond Dam is classified as significant hazard in Connecticut. It was completed in 1925 and is 101 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 12 ft (taller than 42.4% in CT) |
| Dam Length | 40 ft |
| Dam Type | Masonry |
| Max Storage | 50 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1925 (101 years old) |
| NID ID | CT00537 |
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
552 Lake Avenue Limited partnership;Jonas
Private
Nearby Dams
West Fork Pond Dam
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Significant Hazard 4 ftStreet Pond Dam
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Significant Hazard 3 ftRidgeview Pond Dam
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Significant Hazard 10 ftIndian Spring Pond Dam
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Significant Hazard 15 ftPutnam Reservoir Dam
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High Hazard 35 ftAngulus Pond Dam
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Significant Hazard 14 ftCoat Pond Dam
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Significant Hazard 6 ftAmerican Felt Dam
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High Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Spahn Pond Dam?
Spahn Pond 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 Spahn Pond Dam?
Spahn Pond Dam is owned by 552 Lake Avenue Limited partnership;Jonas (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spahn Pond Dam built?
Spahn Pond Dam was completed in 1925, making it 101 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 Spahn Pond Dam?
Spahn 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 Spahn Pond Dam?
Spahn 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 Spahn Pond Dam last inspected?
Spahn Pond Dam was last inspected on November 7, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.