Lake Mauweehoo Dam
Key Takeaway
Lake Mauweehoo Dam is classified as significant hazard in Connecticut. It was completed in 1906 and is 120 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 78.5% in CT) |
| Dam Length | 280 ft |
| Dam Type | Earth |
| Max Storage | 198 acre-ft |
| Normal Storage | 193 acre-ft |
| Surface Area | 31 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 89 cfs |
| Year Completed | 1906 (120 years old) |
| NID ID | CT00321 |
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
Lake Mauweehoo Club, Inc
Private
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High Hazard 107 ftFrequently Asked Questions
What is the hazard classification of Lake Mauweehoo Dam?
Lake Mauweehoo 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 Lake Mauweehoo Dam?
Lake Mauweehoo Dam is owned by Lake Mauweehoo Club, Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Mauweehoo Dam built?
Lake Mauweehoo Dam was completed in 1906, making it 120 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 Lake Mauweehoo Dam?
Lake Mauweehoo 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 Lake Mauweehoo Dam?
Lake Mauweehoo Dam has a dam height of 22 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 Lake Mauweehoo Dam last inspected?
Lake Mauweehoo Dam was last inspected on June 17, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.