Wallkill Lake Dam
Key Takeaway
Wallkill Lake Dam is classified as low hazard in New Jersey. It was completed in 1930 and is 96 years old. Its primary use is recreation.
Physical Details
| Dam Height | 15 ft (taller than 51.4% in NJ) |
| Dam Length | 490 ft |
| Dam Type | Earth |
| Max Storage | 215 acre-ft |
| Normal Storage | 156 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 900 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | NJ00032 |
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
Lake Wallkill Community,Inc.
Private
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Significant Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Wallkill Lake Dam?
Wallkill 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 Wallkill Lake Dam?
Wallkill Lake Dam is owned by Lake Wallkill Community,Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wallkill Lake Dam built?
Wallkill Lake 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 Wallkill Lake Dam?
Wallkill 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 Wallkill Lake Dam?
Wallkill Lake 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 Wallkill Lake Dam last inspected?
Wallkill Lake Dam was last inspected on October 5, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.