Imlaystown Lake Dam
Key Takeaway
Imlaystown Lake Dam is classified as significant hazard in New Jersey. It was completed in 1925 and is 101 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 72.4% in NJ) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Normal Storage | 36 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 208 cfs |
| Year Completed | 1925 (101 years old) |
| NID ID | NJ00218 |
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
Division of Fish & Wildlife
State Government
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High Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Imlaystown Lake Dam?
Imlaystown Lake 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 Imlaystown Lake Dam?
Imlaystown Lake Dam is owned by Division of Fish & Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Imlaystown Lake Dam built?
Imlaystown Lake 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 Imlaystown Lake Dam?
Imlaystown Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Imlaystown Lake Dam?
Imlaystown Lake Dam has a dam height of 20 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 Imlaystown Lake Dam last inspected?
Imlaystown Lake Dam was last inspected on May 26, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.