Stony Brook #3 (Rosedale Lake) Dam
Key Takeaway
Stony Brook #3 (Rosedale Lake) Dam is classified as low hazard in New Jersey. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 28 ft (taller than 88.4% in NJ) |
| Dam Length | 1,900 ft |
| Dam Type | Earth |
| Normal Storage | 182 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 0 cfs |
| NID ID | NJ00389 |
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
County of Mercer Park Commission
Local Government
Nearby Dams
Stony Brook #2 (Willow Lake) Dam
Mercer, NJ
Low Hazard 15 ftStony Brook #14 (Honey Lake) Dam
Mercer, NJ
High Hazard 18 ftStony Brook #4 (Curlis Lake) Dam
Mercer, NJ
Low Hazard 24 ftStony Brook W.S. # 5 (Baldwin) Dam
Mercer, NJ
Low Hazard 14 ftSquibb Dam
Mercer, NJ
Low Hazard 26 ftCeva Lake Dam
Mercer, NJ
Significant Hazard 14 ftSylva Lake Dam
Mercer, NJ
Significant Hazard 10 ftScotch Road Detention Dam 1.2
Mercer, NJ
Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Stony Brook #3 (Rosedale Lake) Dam?
Stony Brook #3 (Rosedale Lake) 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 Stony Brook #3 (Rosedale Lake) Dam?
Stony Brook #3 (Rosedale Lake) Dam is owned by County of Mercer Park Commission (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Stony Brook #3 (Rosedale Lake) Dam?
Stony Brook #3 (Rosedale Lake) Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Stony Brook #3 (Rosedale Lake) Dam?
Stony Brook #3 (Rosedale Lake) Dam has a dam height of 28 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 Stony Brook #3 (Rosedale Lake) Dam last inspected?
Stony Brook #3 (Rosedale Lake) Dam was last inspected on May 26, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.