Nystrom Pond Dam
Key Takeaway
Nystrom Pond Dam is classified as significant hazard in Connecticut. It was completed in 1889 and is 137 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 63.7% in CT) |
| Dam Length | 140 ft |
| Dam Type | Earth |
| Max Storage | 193 acre-ft |
| Normal Storage | 130 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 390 cfs |
| Year Completed | 1889 (137 years old) |
| NID ID | CT00457 |
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 Thomaston
Local Government
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High Hazard 85 ftFrequently Asked Questions
What is the hazard classification of Nystrom Pond Dam?
Nystrom Pond 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 Nystrom Pond Dam?
Nystrom Pond Dam is owned by Town of Thomaston (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nystrom Pond Dam built?
Nystrom Pond Dam was completed in 1889, making it 137 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 Nystrom Pond Dam?
Nystrom Pond 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 Nystrom Pond Dam?
Nystrom Pond Dam has a dam height of 16 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 Nystrom Pond Dam last inspected?
Nystrom Pond Dam was last inspected on August 14, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.