Lake Hawthorne Dam
Key Takeaway
Lake Hawthorne Dam is classified as low hazard in New York. It was completed in 1927 and is 99 years old. Its primary use is recreation.
Physical Details
| Dam Height | 10 ft (taller than 12.4% in NY) |
| Dam Length | 710 ft |
| Dam Type | Earth |
| Max Storage | 72 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 70 cfs |
| Year Completed | 1927 (99 years old) |
| NID ID | NY00492 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Fini Brothers
Private
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High Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Lake Hawthorne Dam?
Lake Hawthorne Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lake Hawthorne Dam?
Lake Hawthorne Dam is owned by Fini Brothers (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Hawthorne Dam built?
Lake Hawthorne Dam was completed in 1927, making it 99 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 Lake Hawthorne Dam?
Lake Hawthorne 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 Lake Hawthorne Dam?
Lake Hawthorne Dam has a dam height of 10 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 Lake Hawthorne Dam last inspected?
Lake Hawthorne Dam was last inspected on November 6, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.