Hobb Lake Dam
Key Takeaway
Hobb Lake Dam is classified as significant hazard in New Jersey. It was completed in 1828 and is 198 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 12 ft (taller than 31.2% in NJ) |
| Dam Length | 3,000 ft |
| Dam Type | Earth |
| Normal Storage | 130 acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 21 cfs |
| Year Completed | 1828 (198 years old) |
| NID ID | NJ00475 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Great Times Day Camp
Private
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Significant Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Hobb Lake Dam?
Hobb Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Hobb Lake Dam?
Hobb Lake Dam is owned by Great Times Day Camp (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hobb Lake Dam built?
Hobb Lake Dam was completed in 1828, making it 198 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 Hobb Lake Dam?
Hobb 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 Hobb Lake Dam?
Hobb Lake Dam has a dam height of 12 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 Hobb Lake Dam last inspected?
Hobb Lake Dam was last inspected on May 27, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.