Mill Dam
Key Takeaway
Mill Dam is classified as low hazard in New Jersey. It was completed in 1908 and is 118 years old. Its primary use is recreation.
Physical Details
| Dam Height | 15 ft (taller than 51.4% in NJ) |
| Dam Length | 240 ft |
| Dam Type | Earth |
| Normal Storage | 102 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 144 sq mi |
| Max Discharge | 78 cfs |
| Year Completed | 1908 (118 years old) |
| NID ID | NJ00540 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Township of Mount Holly
Local Government
Nearby Dams
Woolman Lake Dam
Burlington, NJ
Significant Hazard 5 ftButtonwood Lake Dam
Burlington, NJ
Significant Hazard 8 ftSmithville Dam
Burlington, NJ
High Hazard 10 ftVincentown Mill Dam
Burlington, NJ
High Hazard 12 ftSylvan Lake Dam
Burlington, NJ
High Hazard 18 ftUpper Sylvan Lake Dam
Burlington, NJ
Significant Hazard 20 ftCedar Run Lake Dam
Burlington, NJ
Low Hazard 13 ftOliphants Mill Lake Dam
Burlington, NJ
Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Mill Dam?
Mill Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mill Dam?
Mill Dam is owned by Township of Mount Holly (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mill Dam built?
Mill Dam was completed in 1908, making it 118 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 Mill Dam?
Mill 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 Mill Dam?
Mill 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 Mill Dam last inspected?
Mill Dam was last inspected on May 1, 2007. Inspection dates indicate when a formal review occurred, not the results of that inspection.