Mary Elmer Lake Dam
Key Takeaway
Mary Elmer Lake Dam is classified as significant hazard in New Jersey. It was completed in 1924 and is 102 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 | 500 ft |
| Dam Type | Earth |
| Normal Storage | 68 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 4,078 cfs |
| Year Completed | 1924 (102 years old) |
| NID ID | NJ00068 |
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
City of Bridgeton
Local Government
Nearby Dams
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High Hazard 17 ftElk Lake Dam
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Significant Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Mary Elmer Lake Dam?
Mary Elmer 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 Mary Elmer Lake Dam?
Mary Elmer Lake Dam is owned by City of Bridgeton (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mary Elmer Lake Dam built?
Mary Elmer Lake Dam was completed in 1924, making it 102 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 Mary Elmer Lake Dam?
Mary Elmer Lake 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 Mary Elmer Lake Dam?
Mary Elmer Lake 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 Mary Elmer Lake Dam last inspected?
Mary Elmer Lake Dam was last inspected on March 23, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.