Warren Mill Dam
Key Takeaway
Warren Mill Dam is classified as high hazard in New Jersey. It was completed in 1916 and is 110 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 | 38 ft (taller than 94.4% in NJ) |
| Dam Length | 330 ft |
| Dam Type | Earth |
| Max Storage | 117 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 148 sq mi |
| Max Discharge | 12,150 cfs |
| Year Completed | 1916 (110 years old) |
| NID ID | NJ00765 |
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
Warren Glenn Investments, LLC
Private
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What is the hazard classification of Warren Mill Dam?
Warren Mill 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 Warren Mill Dam?
Warren Mill Dam is owned by Warren Glenn Investments, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Warren Mill Dam built?
Warren Mill Dam was completed in 1916, making it 110 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 Warren Mill Dam?
Warren Mill 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 Warren Mill Dam?
Warren Mill Dam has a dam height of 38 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 Warren Mill Dam last inspected?
Warren Mill Dam was last inspected on December 15, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.