Monroe Lake
Key Takeaway
Monroe Lake is classified as high hazard in Pennsylvania. It was completed in 1926 and is 100 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 | 12 ft (taller than 16% in PA) |
| Dam Length | 390 ft |
| Dam Type | Earth |
| Max Storage | 403 acre-ft |
| Normal Storage | 184 acre-ft |
| Surface Area | 85 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1926 (100 years old) |
| NID ID | PA00633 |
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
MONROE LAKE P.O.A.
Private
Nearby Dams
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Low Hazard 12 ftHallowood Acres
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High Hazard 31 ftMeadow Lake
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Significant Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Monroe Lake?
Monroe Lake 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 Monroe Lake?
Monroe Lake is owned by MONROE LAKE P.O.A. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Monroe Lake built?
Monroe Lake was completed in 1926, making it 100 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 Monroe Lake?
Monroe Lake 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 Monroe Lake?
Monroe Lake has a dam height of 12 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 Monroe Lake last inspected?
Monroe Lake was last inspected on April 20, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.