Lake Skemonto Dam
Key Takeaway
Lake Skemonto Dam is classified as significant hazard in New York. It was completed in 1934 and is 92 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 29 ft (taller than 77.5% in NY) |
| Dam Length | 570 ft |
| Dam Type | Concrete |
| Max Storage | 520 acre-ft |
| Normal Storage | 500 acre-ft |
| Surface Area | 37 acres |
| Max Discharge | 720 cfs |
| Year Completed | 1934 (92 years old) |
| NID ID | NY00487 |
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
NYSOPRHP - PALISADES INTERSTATE PARK COMMISSION
State Government
Nearby Dams
Lake Sebago Dam
Rockland, NY
High Hazard 30 ftLake Kanawauke Dam
Rockland, NY
High Hazard 20 ftPine Meadow Brook Dam
Rockland, NY
Low Hazard 22 ftChristie Brook Dam #1
Rockland, NY
Significant Hazard 25 ftPine Meadow Lake Dam
Rockland, NY
Significant Hazard 20 ftChristie Brook Dike
Rockland, NY
Low Hazard 25 ftLake Stahahe Dam
Orange, NY
High Hazard 14 ftLake Skannatati Dams A B & C
Orange, NY
Low Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Lake Skemonto Dam?
Lake Skemonto 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 Lake Skemonto Dam?
Lake Skemonto Dam is owned by NYSOPRHP - PALISADES INTERSTATE PARK COMMISSION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Skemonto Dam built?
Lake Skemonto Dam was completed in 1934, making it 92 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 Skemonto Dam?
Lake Skemonto 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 Skemonto Dam?
Lake Skemonto Dam has a dam height of 29 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 Skemonto Dam last inspected?
Lake Skemonto Dam was last inspected on September 7, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.