Union Mill Lake Dam
Key Takeaway
Union Mill Lake Dam is classified as significant hazard in New Jersey. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 13 ft (taller than 39.5% in NJ) |
| Dam Length | 150 ft |
| Dam Type | Earth |
| Max Storage | 73 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 79 cfs |
| NID ID | NJ00971 |
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
UMLCC
Private
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Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Union Mill Lake Dam?
Union Mill 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 Union Mill Lake Dam?
Union Mill Lake Dam is owned by UMLCC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Union Mill Lake Dam?
Union Mill 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 Union Mill Lake Dam?
Union Mill Lake Dam has a dam height of 13 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 Union Mill Lake Dam last inspected?
Union Mill Lake Dam was last inspected on November 9, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.