Shadow Lake Dam
Key Takeaway
Shadow Lake Dam is classified as significant hazard in Connecticut. It was completed in 1937 and is 89 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 25 ft (taller than 83% in CT) |
| Dam Length | 410 ft |
| Dam Type | Earth |
| Max Storage | 80 acre-ft |
| Normal Storage | 69 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 930 cfs |
| Year Completed | 1937 (89 years old) |
| Year Modified | 1999 |
| NID ID | CT01614 |
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 Ridgefield
Local Government
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Significant Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Shadow Lake Dam?
Shadow 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 Shadow Lake Dam?
Shadow Lake Dam is owned by Town of Ridgefield (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Shadow Lake Dam built?
Shadow Lake Dam was completed in 1937, making it 89 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 Shadow Lake Dam?
Shadow 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 Shadow Lake Dam?
Shadow Lake Dam has a dam height of 25 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 Shadow Lake Dam last inspected?
Shadow Lake Dam was last inspected on April 22, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.