Tannersville Reservoir #3 Dam
Key Takeaway
Tannersville Reservoir #3 Dam is classified as significant hazard in New York. It was completed in 1957 and is 69 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 17 ft (taller than 46.3% in NY) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 51 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 400 cfs |
| Year Completed | 1957 (69 years old) |
| NID ID | NY01521 |
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
VILLAGE OF TANNERSVILLE
Local Government
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High Hazard 63 ftFrequently Asked Questions
What is the hazard classification of Tannersville Reservoir #3 Dam?
Tannersville Reservoir #3 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 Tannersville Reservoir #3 Dam?
Tannersville Reservoir #3 Dam is owned by VILLAGE OF TANNERSVILLE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tannersville Reservoir #3 Dam built?
Tannersville Reservoir #3 Dam was completed in 1957, making it 69 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 Tannersville Reservoir #3 Dam?
Tannersville Reservoir #3 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 Tannersville Reservoir #3 Dam?
Tannersville Reservoir #3 Dam has a dam height of 17 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 Tannersville Reservoir #3 Dam last inspected?
Tannersville Reservoir #3 Dam was last inspected on April 19, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.