Rainbow Lakes Dam
Key Takeaway
Rainbow Lakes Dam is classified as high hazard in New Jersey. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 25.9% in NJ) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Normal Storage | 265 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 0 sq mi |
| NID ID | NJ00570 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Township of Parsippany-Troy Hills
Local Government
Nearby Dams
Sunset Lake Dam
Morris, NJ
High Hazard 8 ftLake Arrowhead Dam
Morris, NJ
Significant Hazard 8 ftCrystal Lake Dam
Morris, NJ
High Hazard 16 ftBirchwood Lake Dam
Morris, NJ
High Hazard 20 ftMountain Lake Dam
Morris, NJ
High Hazard 15 ftPowder Mill Pond Dam
Morris, NJ
High Hazard 35 ftDecozen'S Dam
Morris, NJ
Significant Hazard 11 ftIndian Lake Dam
Morris, NJ
Low Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Rainbow Lakes Dam?
Rainbow Lakes Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Rainbow Lakes Dam?
Rainbow Lakes Dam is owned by Township of Parsippany-Troy Hills (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Rainbow Lakes Dam?
Rainbow 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 Rainbow Lakes Dam?
Rainbow Lakes Dam has a dam height of 11 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 Rainbow Lakes Dam last inspected?
Rainbow Lakes Dam was last inspected on September 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.