Tomahawk Lake Dam
Key Takeaway
Tomahawk Lake Dam is classified as high hazard in New York. It was completed in 1929 and is 97 years old. Its primary use is recreation. 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 | 25 ft (taller than 69.7% in NY) |
| Dam Length | 1,064 ft |
| Dam Type | Earth |
| Max Storage | 3.4K acre-ft |
| Normal Storage | 2.2K acre-ft |
| Surface Area | 175 acres |
| Drainage Area | 28 sq mi |
| Year Completed | 1929 (97 years old) |
| NID ID | NY00618 |
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
DAVID PLOTKIN;David Plotkin dba Waterway Associates;Sidney Marshall
Private
Nearby Dams
Lake Hildegarde Dam
Orange, NY
Significant Hazard 10 ftMerriewold Lake Dam
Orange, NY
Significant Hazard 50 ftRock Tavern Dam
Orange, NY
Low Hazard 10 ftStuts Dam
Orange, NY
Significant Hazard 10 ftWillow Brook Dam
Orange, NY
High Hazard 20 ftWeyants Pond
Orange, NY
Low Hazard 10 ftBuilders Land Company Dam
Orange, NY
Low Hazard 25 ftPetker & Cohen Dam
Orange, NY
Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Tomahawk Lake Dam?
Tomahawk Lake 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 Tomahawk Lake Dam?
Tomahawk Lake Dam is owned by DAVID PLOTKIN;David Plotkin dba Waterway Associates;Sidney Marshall (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tomahawk Lake Dam built?
Tomahawk Lake Dam was completed in 1929, making it 97 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 Tomahawk Lake Dam?
Tomahawk Lake 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 Tomahawk Lake Dam?
Tomahawk Lake Dam has a dam height of 25 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 Tomahawk Lake Dam last inspected?
Tomahawk Lake Dam was last inspected on July 30, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.