Jefferson Lake Dike
Key Takeaway
Jefferson Lake Dike is classified as low hazard in New Jersey. Its primary use is recreation.
Physical Details
| Dam Height | 14 ft (taller than 46.2% in NJ) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Normal Storage | 150 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 51 sq mi |
| NID ID | NJ00670 |
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
Division of Parks and Forestry
State Government
Nearby Dams
Jefferson Lake Dam
Sussex, NJ
Low Hazard 15 ftUpper Waterloo Lake Dam
Sussex, NJ
Low Hazard 9 ftCranberry Lake Dam
Sussex, NJ
High Hazard 18 ftJohnson Lake Dam
Sussex, NJ
Low Hazard 11 ftLake Lackawanna Dam
Sussex, NJ
Significant Hazard 15 ftReservoir Lake Dam
Sussex, NJ
High Hazard 12 ftFrenches Pond Dam
Sussex, NJ
High Hazard 13 ftLake Musconetcong Dam
Morris, NJ
High Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Jefferson Lake Dike?
Jefferson Lake Dike 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 Jefferson Lake Dike?
Jefferson Lake Dike is owned by Division of Parks and Forestry (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Jefferson Lake Dike?
Jefferson Lake Dike 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 Jefferson Lake Dike?
Jefferson Lake Dike has a dam height of 14 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 Jefferson Lake Dike last inspected?
Jefferson Lake Dike was last inspected on January 1, 1980. Inspection dates indicate when a formal review occurred, not the results of that inspection.