Crandon Lake Dam
Key Takeaway
Crandon Lake Dam is classified as high hazard in New Jersey. It was completed in 1959 and is 67 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 | 428 ft |
| Dam Type | Earth |
| Max Storage | 510 acre-ft |
| Normal Storage | 230 acre-ft |
| Surface Area | 70 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 840 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | NJ00267 |
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
Township of Stillwater
Local Government
Nearby Dams
Lower Crandon Lake Dam
Sussex, NJ
Low Hazard 8 ftQuick Pond Dam
Sussex, NJ
Low Hazard 15 ftWillow Crest Dam
Sussex, NJ
High Hazard 17 ftLake Anne Dam
Sussex, NJ
Low Hazard 10 ftLake Owassa Dam
Sussex, NJ
Low Hazard 10 ftLake Plymouth Dam
Sussex, NJ
Significant Hazard 14 ftShay Lake Dam
Sussex, NJ
Low Hazard 24 ftLake Kathryn Dam
Sussex, NJ
Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Crandon Lake Dam?
Crandon Lake 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 Crandon Lake Dam?
Crandon Lake Dam is owned by Township of Stillwater (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Crandon Lake Dam built?
Crandon Lake Dam was completed in 1959, making it 67 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 Crandon Lake Dam?
Crandon 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 Crandon Lake Dam?
Crandon Lake 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 Crandon Lake Dam last inspected?
Crandon Lake Dam was last inspected on November 11, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.