Upper Twin Lakes Dam
Key Takeaway
Upper Twin Lakes Dam is classified as low hazard in New Jersey. Its primary use is recreation.
Physical Details
| Dam Height | 7 ft (taller than 1.9% in NJ) |
| Dam Length | 270 ft |
| Dam Type | Earth |
| Normal Storage | 61 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 110 cfs |
| NID ID | NJ00575 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Tilicon New York, Inc.
Private
Nearby Dams
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Significant Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Upper Twin Lakes Dam?
Upper Twin Lakes Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Upper Twin Lakes Dam?
Upper Twin Lakes Dam is owned by Tilicon New York, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Upper Twin Lakes Dam?
Upper Twin Lakes 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 Upper Twin Lakes Dam?
Upper Twin Lakes Dam has a dam height of 7 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 Upper Twin Lakes Dam last inspected?
Upper Twin Lakes Dam was last inspected on August 17, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.