Lower Mount Glen Lake Dam
Key Takeaway
Lower Mount Glen Lake Dam is classified as high hazard in New Jersey. It was completed in 1927 and is 99 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 51.4% in NJ) |
| Dam Length | 465 ft |
| Dam Type | Earth |
| Max Storage | 239 acre-ft |
| Normal Storage | 208 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 600 cfs |
| Year Completed | 1927 (99 years old) |
| NID ID | NJ00011 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Mount Glen Lakes Association
Private
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Lower Mount Glen Lake Dam?
Lower Mount Glen Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lower Mount Glen Lake Dam?
Lower Mount Glen Lake Dam is owned by Mount Glen Lakes Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Mount Glen Lake Dam built?
Lower Mount Glen Lake Dam was completed in 1927, making it 99 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 Lower Mount Glen Lake Dam?
Lower Mount Glen 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 Lower Mount Glen Lake Dam?
Lower Mount Glen 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 Lower Mount Glen Lake Dam last inspected?
Lower Mount Glen Lake Dam was last inspected on June 17, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.