Lydall Pond #1 Dam
Key Takeaway
Lydall Pond #1 Dam is classified as significant hazard in Connecticut. It was completed in 1898 and is 128 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 | 150 ft |
| Dam Type | Earth |
| Max Storage | 64 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,200 cfs |
| Year Completed | 1898 (128 years old) |
| NID ID | CT00010 |
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
Town of Manchester
Local Government
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Significant Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Lydall Pond #1 Dam?
Lydall Pond #1 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 Lydall Pond #1 Dam?
Lydall Pond #1 Dam is owned by Town of Manchester (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lydall Pond #1 Dam built?
Lydall Pond #1 Dam was completed in 1898, making it 128 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 Lydall Pond #1 Dam?
Lydall Pond #1 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 Lydall Pond #1 Dam?
Lydall Pond #1 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 Lydall Pond #1 Dam last inspected?
Lydall Pond #1 Dam was last inspected on October 7, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.