Annandale Dam
Key Takeaway
Annandale Dam is classified as significant hazard in New York. It was completed in 1846 and is 180 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 19.5% in NY) |
| Dam Length | 142 ft |
| Dam Type | Concrete |
| Max Storage | 21 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 3 acres |
| Year Completed | 1846 (180 years old) |
| NID ID | NY13409 |
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
BARD COLLEGE
Private
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What is the hazard classification of Annandale Dam?
Annandale 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 Annandale Dam?
Annandale Dam is owned by BARD COLLEGE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Annandale Dam built?
Annandale Dam was completed in 1846, making it 180 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 Annandale Dam?
Annandale Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Annandale Dam?
Annandale Dam has a dam height of 11 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 Annandale Dam last inspected?
Annandale Dam was last inspected on June 3, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.