Diversion Dam
Key Takeaway
Diversion Dam is classified as high hazard in New Jersey. It was completed in 1959 and is 67 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 | 8 ft (taller than 5.1% in NJ) |
| Dam Length | 225 ft |
| Dam Type | Earth |
| Max Storage | 300 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 47 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 845 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | NJ00880 |
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 Newark, Department of Water and Sewer Utilities
Local Government
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Significant Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Diversion Dam?
Diversion 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 Diversion Dam?
Diversion Dam is owned by City of Newark, Department of Water and Sewer Utilities (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Diversion Dam built?
Diversion Dam was completed in 1959, making it 67 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 Diversion Dam?
Diversion 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 Diversion Dam?
Diversion Dam has a dam height of 8 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 Diversion Dam last inspected?
Diversion Dam was last inspected on May 25, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.