Amston Lake Dam
Key Takeaway
Amston Lake Dam is classified as significant hazard in Connecticut. It was completed in 1910 and is 116 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 10 ft (taller than 29.6% in CT) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 740 acre-ft |
| Surface Area | 187 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 180 cfs |
| Year Completed | 1910 (116 years old) |
| NID ID | CT00544 |
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
Amston Lake District
Private
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Significant Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Amston Lake Dam?
Amston Lake 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 Amston Lake Dam?
Amston Lake Dam is owned by Amston Lake District (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Amston Lake Dam built?
Amston Lake Dam was completed in 1910, making it 116 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 Amston Lake Dam?
Amston 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 Amston Lake Dam?
Amston Lake Dam has a dam height of 10 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 Amston Lake Dam last inspected?
Amston Lake Dam was last inspected on August 14, 1984. Inspection dates indicate when a formal review occurred, not the results of that inspection.