Jacksons Mills Dam
Key Takeaway
Jacksons Mills Dam is classified as significant hazard in New Jersey. It was completed in 1925 and is 101 years old. Its primary use is recreation. 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 | 400 ft |
| Dam Type | Earth |
| Normal Storage | 150 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 9 sq mi |
| Year Completed | 1925 (101 years old) |
| NID ID | NJ00140 |
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
County of Ocean
Local Government
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Jacksons Mills Dam?
Jacksons 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 Jacksons Mills Dam?
Jacksons Mills Dam is owned by County of Ocean (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jacksons Mills Dam built?
Jacksons Mills Dam was completed in 1925, making it 101 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 Jacksons Mills Dam?
Jacksons Mills Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jacksons Mills Dam?
Jacksons 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 Jacksons Mills Dam last inspected?
Jacksons Mills Dam was last inspected on July 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.