Wepawaug Reservoir Dam
Key Takeaway
Wepawaug Reservoir Dam is classified as significant hazard in Connecticut. It was completed in 1911 and is 115 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 18 ft (taller than 67.8% in CT) |
| Dam Length | 1,331 ft |
| Dam Type | Earth |
| Max Storage | 117 acre-ft |
| Normal Storage | 117 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 1,800 cfs |
| Year Completed | 1911 (115 years old) |
| Year Modified | 2013 |
| NID ID | CT00086 |
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
South Central CT RWA
Public Utility
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High Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Wepawaug Reservoir Dam?
Wepawaug Reservoir 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 Wepawaug Reservoir Dam?
Wepawaug Reservoir Dam is owned by South Central CT RWA (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wepawaug Reservoir Dam built?
Wepawaug Reservoir Dam was completed in 1911, making it 115 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 Wepawaug Reservoir Dam?
Wepawaug Reservoir Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Wepawaug Reservoir Dam?
Wepawaug Reservoir Dam has a dam height of 18 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 Wepawaug Reservoir Dam last inspected?
Wepawaug Reservoir Dam was last inspected on November 7, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.