Hidden Lake Dam
Key Takeaway
Hidden Lake Dam is classified as significant hazard in Connecticut. It was completed in 1860 and is 166 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 13 ft (taller than 50.2% in CT) |
| Dam Length | 100 ft |
| Dam Type | Earth |
| Max Storage | 210 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 207 cfs |
| Year Completed | 1860 (166 years old) |
| Year Modified | 1994 |
| NID ID | CT00434 |
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
Hidden Lake Assocaition
Private
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What is the hazard classification of Hidden Lake Dam?
Hidden 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 Hidden Lake Dam?
Hidden Lake Dam is owned by Hidden Lake Assocaition (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hidden Lake Dam built?
Hidden Lake Dam was completed in 1860, making it 166 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 Hidden Lake Dam?
Hidden 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 Hidden Lake Dam?
Hidden Lake Dam has a dam height of 13 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 Hidden Lake Dam last inspected?
Hidden Lake Dam was last inspected on December 22, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.