Whetstone Gulf Storage Dam
Key Takeaway
Whetstone Gulf Storage Dam is classified as high hazard in New York. It was completed in 1961 and is 65 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 23 ft (taller than 66% in NY) |
| Dam Length | 301 ft |
| Dam Type | Earth |
| Max Storage | 3.6K acre-ft |
| Normal Storage | 899 acre-ft |
| Surface Area | 318 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 334 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | NY00544 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
NYSOPRHP THOUSAND ISLANDS REGION
State Government
Nearby Dams
Constableville Fish & Game Club Dam
Lewis, NY
Low Hazard 14 ftGould Paper CO Dam
Lewis, NY
Low Hazard 9 ftLyons Falls - Mill 3
Lewis, NY
Low Hazard 10 ftGouldtown - Mill 5 East Channel
Lewis, NY
Low Hazard 10 ftPort Leyden
Lewis, NY
Low Hazard 32 ftRock Island
Lewis, NY
Low Hazard 18 ftDenley
Lewis, NY
Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Whetstone Gulf Storage Dam?
Whetstone Gulf Storage Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Whetstone Gulf Storage Dam?
Whetstone Gulf Storage Dam is owned by NYSOPRHP THOUSAND ISLANDS REGION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Whetstone Gulf Storage Dam built?
Whetstone Gulf Storage Dam was completed in 1961, making it 65 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 Whetstone Gulf Storage Dam?
Whetstone Gulf Storage Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Whetstone Gulf Storage Dam?
Whetstone Gulf Storage Dam has a dam height of 23 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 Whetstone Gulf Storage Dam last inspected?
Whetstone Gulf Storage Dam was last inspected on October 15, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.