Osborn Mills Dam
Key Takeaway
Osborn Mills Dam is classified as significant hazard in New Jersey. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 51.4% in NJ) |
| Dam Length | 250 ft |
| Dam Type | Earth |
| Max Storage | 100 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 500 cfs |
| NID ID | NJ00365 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
New Jersey-American Water Company
Private
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What is the hazard classification of Osborn Mills Dam?
Osborn Mills Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Osborn Mills Dam?
Osborn Mills Dam is owned by New Jersey-American Water Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Osborn Mills Dam?
Osborn Mills 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 Osborn Mills Dam?
Osborn Mills Dam has a dam height of 15 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 Osborn Mills Dam last inspected?
Osborn Mills Dam was last inspected on March 16, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.