Belmont Lake Dam
Key Takeaway
Belmont Lake Dam is classified as low hazard in New York. It was completed in 1905 and is 121 years old. Its primary use is recreation.
Physical Details
| Dam Height | 9 ft (taller than 9% in NY) |
| Dam Length | 1,500 ft |
| Dam Type | Earth |
| Max Storage | 78 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 28 sq mi |
| Year Completed | 1905 (121 years old) |
| NID ID | NY01520 |
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
NYS OFFICE OF PARKS, RECREATION & HISTORIC PRESERVATION- LONG ISLAND REGION
State Government
Nearby Dams
Massapequa Lake Dam
Nassau, NY
Low Hazard 11 ftUpper Massapequa Lake Dam
Nassau, NY
Significant Hazard 11 ftNew Mill Pond Dam
Suffolk, NY
Low Hazard 15 ftWillow Pond Dam
Suffolk, NY
Significant Hazard 12 ftPhillips Mill Pond Dam
Suffolk, NY
Significant Hazard 10 ftMillers Pond Dam
Suffolk, NY
Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Belmont Lake Dam?
Belmont Lake 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 Belmont Lake Dam?
Belmont Lake Dam is owned by NYS OFFICE OF PARKS, RECREATION & HISTORIC PRESERVATION- LONG ISLAND REGION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Belmont Lake Dam built?
Belmont Lake Dam was completed in 1905, making it 121 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 Belmont Lake Dam?
Belmont 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 Belmont Lake Dam?
Belmont Lake Dam has a dam height of 9 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 Belmont Lake Dam last inspected?
Belmont Lake Dam was last inspected on May 5, 2009. Inspection dates indicate when a formal review occurred, not the results of that inspection.