Buttonwood Lake Dam
Key Takeaway
Buttonwood Lake Dam is classified as significant hazard in New Jersey. It was completed in 1950 and is 76 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 8 ft (taller than 5.1% in NJ) |
| Dam Length | 175 ft |
| Dam Type | Earth |
| Max Storage | 8 acre-ft |
| Normal Storage | 5 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 40 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | NJ01052 |
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
Township of Mount Holly
Local Government
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Buttonwood Lake Dam?
Buttonwood 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 Buttonwood Lake Dam?
Buttonwood Lake Dam is owned by Township of Mount Holly (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Buttonwood Lake Dam built?
Buttonwood Lake Dam was completed in 1950, making it 76 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 Buttonwood Lake Dam?
Buttonwood 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 Buttonwood Lake Dam?
Buttonwood Lake Dam has a dam height of 8 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 Buttonwood Lake Dam last inspected?
Buttonwood Lake Dam was last inspected on July 1, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.