Sphagnum Pond Dam
Key Takeaway
Sphagnum Pond Dam is classified as significant hazard in New York. It was completed in 1930 and is 96 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 37.1% in NY) |
| Dam Length | 580 ft |
| Dam Type | Masonry |
| Max Storage | 102 acre-ft |
| Normal Storage | 95 acre-ft |
| Surface Area | 20 acres |
| Year Completed | 1930 (96 years old) |
| NID ID | NY00872 |
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
VILLAGE OF CORNWALL-ON-HUDSON
Local Government
Nearby Dams
Tamarack Pond Dam
Orange, NY
Significant Hazard 12 ftArthurs Pond Dam
Orange, NY
High Hazard 27 ftAleck Meadow Reservoir Dam
Orange, NY
Significant Hazard 23 ftWilkins Pond
Orange, NY
Low Hazard 7 ftBog Meadow Reservoir Dam
Orange, NY
Significant Hazard 29 ftHighland Falls #2 Dam
Orange, NY
Significant Hazard 30 ftCornwall Upper Reservoir Dam
Orange, NY
High Hazard 33 ftStorm King Art Center Dam
Orange, NY
Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Sphagnum Pond Dam?
Sphagnum Pond 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 Sphagnum Pond Dam?
Sphagnum Pond Dam is owned by VILLAGE OF CORNWALL-ON-HUDSON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sphagnum Pond Dam built?
Sphagnum Pond Dam was completed in 1930, making it 96 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 Sphagnum Pond Dam?
Sphagnum Pond Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sphagnum Pond Dam?
Sphagnum Pond Dam has a dam height of 15 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 Sphagnum Pond Dam last inspected?
Sphagnum Pond Dam was last inspected on October 10, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.