Hanover Lake Dam
Key Takeaway
Hanover Lake Dam is classified as significant hazard in New Jersey. It was completed in 1948 and is 78 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 9 ft (taller than 12.9% in NJ) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 847 acre-ft |
| Normal Storage | 142 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 17 sq mi |
| Max Discharge | 840 cfs |
| Year Completed | 1948 (78 years old) |
| NID ID | NJ00459 |
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
USAF AMC
Federal Government
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Hanover Lake Dam?
Hanover 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 Hanover Lake Dam?
Hanover Lake Dam is owned by USAF AMC (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hanover Lake Dam built?
Hanover Lake Dam was completed in 1948, making it 78 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 Hanover Lake Dam?
Hanover 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 Hanover Lake Dam?
Hanover Lake Dam has a dam height of 9 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 Hanover Lake Dam last inspected?
Hanover Lake Dam was last inspected on March 29, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.