Seymour Reservoir #1 Dam
Key Takeaway
Seymour Reservoir #1 Dam is classified as significant hazard in Connecticut. It was completed in 1898 and is 128 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 26 ft (taller than 84.4% in CT) |
| Dam Length | 340 ft |
| Dam Type | Earth |
| Max Storage | 49 acre-ft |
| Normal Storage | 49 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 105 cfs |
| Year Completed | 1898 (128 years old) |
| NID ID | CT00358 |
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
Connecticut DEEP
State Government
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What is the hazard classification of Seymour Reservoir #1 Dam?
Seymour Reservoir #1 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 Seymour Reservoir #1 Dam?
Seymour Reservoir #1 Dam is owned by Connecticut DEEP (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Seymour Reservoir #1 Dam built?
Seymour Reservoir #1 Dam was completed in 1898, making it 128 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 Seymour Reservoir #1 Dam?
Seymour Reservoir #1 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 Seymour Reservoir #1 Dam?
Seymour Reservoir #1 Dam has a dam height of 26 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 Seymour Reservoir #1 Dam last inspected?
Seymour Reservoir #1 Dam was last inspected on April 16, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.