Congdon Pond Dam
Key Takeaway
Congdon Pond Dam is classified as significant hazard in Connecticut. It was completed in 1900 and is 126 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 35 ft (taller than 91.3% in CT) |
| Dam Length | 150 ft |
| Dam Type | Earth |
| Max Storage | 135 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 1,845 cfs |
| Year Completed | 1900 (126 years old) |
| Year Modified | 1995 |
| NID ID | CT00234 |
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
Congdon Moving & Storage Co.
Private
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Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Congdon Pond Dam?
Congdon 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 Congdon Pond Dam?
Congdon Pond Dam is owned by Congdon Moving & Storage Co. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Congdon Pond Dam built?
Congdon Pond Dam was completed in 1900, making it 126 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 Congdon Pond Dam?
Congdon Pond Dam 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 Congdon Pond Dam?
Congdon Pond Dam has a dam height of 35 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.