Frenches Pond Dam
Key Takeaway
Frenches Pond Dam is classified as high hazard in New Jersey. It was completed in 1850 and is 176 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 | 13 ft (taller than 39.5% in NJ) |
| Dam Length | 225 ft |
| Dam Type | Earth |
| Max Storage | 210 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 105 cfs |
| Year Completed | 1850 (176 years old) |
| NID ID | NJ00503 |
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
Patriots' Path Council, B.S.A
Private
Nearby Dams
Reservoir Lake Dam
Sussex, NJ
High Hazard 12 ftUpper Waterloo Lake Dam
Sussex, NJ
Low Hazard 9 ftDeer Park Pond Dam
Warren, NJ
Significant Hazard 19 ftLake Tranquility Dam
Sussex, NJ
High Hazard 14 ftJefferson Lake Dike
Sussex, NJ
Low Hazard 14 ftJefferson Lake Dam
Sussex, NJ
Low Hazard 15 ftAllamuchy Pond Dam
Warren, NJ
Significant Hazard 13 ftSaxton Falls Dam
Morris, NJ
High Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Frenches Pond Dam?
Frenches Pond 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 Frenches Pond Dam?
Frenches Pond Dam is owned by Patriots' Path Council, B.S.A (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Frenches Pond Dam built?
Frenches Pond Dam was completed in 1850, making it 176 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 Frenches Pond Dam?
Frenches Pond 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 Frenches Pond Dam?
Frenches Pond Dam has a dam height of 13 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 Frenches Pond Dam last inspected?
Frenches Pond Dam was last inspected on December 15, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.