Hemlock Lake Dam
Key Takeaway
Hemlock Lake Dam is classified as significant hazard in New Jersey. It was completed in 1951 and is 75 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 72.4% in NJ) |
| Dam Length | 250 ft |
| Dam Type | Earth |
| Normal Storage | 22 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 487 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | NJ00148 |
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
Christian Reinauer
Private
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What is the hazard classification of Hemlock Lake Dam?
Hemlock 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 Hemlock Lake Dam?
Hemlock Lake Dam is owned by Christian Reinauer (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hemlock Lake Dam built?
Hemlock Lake Dam was completed in 1951, making it 75 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 Hemlock Lake Dam?
Hemlock 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 Hemlock Lake Dam?
Hemlock 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 Hemlock Lake Dam last inspected?
Hemlock Lake Dam was last inspected on December 3, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.