Orange Reservoir Dam
Key Takeaway
Orange Reservoir Dam is classified as high hazard in New Jersey. It was completed in 1958 and is 68 years old. Its primary use is water supply. 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 | 34 ft (taller than 92.6% in NJ) |
| Dam Length | 900 ft |
| Dam Type | Earth |
| Normal Storage | 245 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | NJ00361 |
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
City of Orange
Local Government
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What is the hazard classification of Orange Reservoir Dam?
Orange Reservoir 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 Orange Reservoir Dam?
Orange Reservoir Dam is owned by City of Orange (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Orange Reservoir Dam built?
Orange Reservoir Dam was completed in 1958, making it 68 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 Orange Reservoir Dam?
Orange Reservoir Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Orange Reservoir Dam?
Orange Reservoir Dam has a dam height of 34 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 Orange Reservoir Dam last inspected?
Orange Reservoir Dam was last inspected on October 6, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.