Robertsville Dam
Key Takeaway
Robertsville Dam is classified as significant hazard in Connecticut. It was completed in 1887 and is 139 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 29 ft (taller than 86.8% in CT) |
| Dam Length | 171 ft |
| Dam Type | Concrete |
| Max Storage | 134 acre-ft |
| Normal Storage | 134 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 50 sq mi |
| Max Discharge | 15,000 cfs |
| Year Completed | 1887 (139 years old) |
| NID ID | CT00453 |
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
FirstLight Power Resources
Public Utility
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High Hazard 178 ftFrequently Asked Questions
What is the hazard classification of Robertsville Dam?
Robertsville 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 Robertsville Dam?
Robertsville Dam is owned by FirstLight Power Resources (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Robertsville Dam built?
Robertsville Dam was completed in 1887, making it 139 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 Robertsville Dam?
Robertsville Dam serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Robertsville Dam?
Robertsville Dam has a dam height of 29 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 Robertsville Dam last inspected?
Robertsville Dam was last inspected on October 26, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.