Lake Mohawk Dam
Key Takeaway
Lake Mohawk Dam is classified as high hazard in New Jersey. It was completed in 1927 and is 99 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 72.4% in NJ) |
| Dam Length | 580 ft |
| Dam Type | Earth |
| Max Storage | 14.2K acre-ft |
| Normal Storage | 8.2K acre-ft |
| Surface Area | 777 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 3,900 cfs |
| Year Completed | 1927 (99 years old) |
| NID ID | NJ00017 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Lake Mohawk Country Club
Private
Nearby Dams
Upper Mohawk Lake Dam
Sussex, NJ
High Hazard 16 ftLake Saginaw Dam
Sussex, NJ
Low Hazard 16 ftFox Hollow Lake Dam
Sussex, NJ
Significant Hazard 12 ftLaidlaws Pond Dam
Sussex, NJ
Low Hazard 20 ftSunset Lake Dam
Sussex, NJ
Low Hazard 13 ftSeneca Lake Dam
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Significant Hazard 11 ftGlen Lake Dam
Sussex, NJ
High Hazard 12 ftBlue Heron Lake Dam
Sussex, NJ
Low Hazard 7 ftFrequently Asked Questions
What is the hazard classification of Lake Mohawk Dam?
Lake Mohawk Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lake Mohawk Dam?
Lake Mohawk Dam is owned by Lake Mohawk Country Club (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Mohawk Dam built?
Lake Mohawk 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 Mohawk Dam?
Lake Mohawk 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 Mohawk Dam?
Lake Mohawk Dam has a dam height of 20 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 Mohawk Dam last inspected?
Lake Mohawk Dam was last inspected on July 13, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.