Boulder Lake Dam
Key Takeaway
Boulder Lake Dam is classified as significant hazard in Connecticut. It was completed in 1940 and is 86 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 14 ft (taller than 54.3% in CT) |
| Dam Length | 130 ft |
| Dam Type | Earth |
| Max Storage | 51 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 59 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 66 cfs |
| Year Completed | 1940 (86 years old) |
| Year Modified | 1991 |
| NID ID | CT00518 |
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
Boulder Lake Improvement Association, Inc.
Private
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What is the hazard classification of Boulder Lake Dam?
Boulder 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 Boulder Lake Dam?
Boulder Lake Dam is owned by Boulder Lake Improvement Association, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Boulder Lake Dam built?
Boulder Lake Dam was completed in 1940, making it 86 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 Boulder Lake Dam?
Boulder 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 Boulder Lake Dam?
Boulder Lake Dam has a dam height of 14 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 Boulder Lake Dam last inspected?
Boulder Lake Dam was last inspected on December 31, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.