Lake Montrose
Key Takeaway
Lake Montrose is classified as high hazard in Pennsylvania. It was completed in 1919 and is 107 years old. Its primary use is water supply. 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 | 14 ft (taller than 23.9% in PA) |
| Dam Length | 90 ft |
| Dam Type | Earth |
| Max Storage | 949 acre-ft |
| Normal Storage | 804 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1919 (107 years old) |
| NID ID | PA00047 |
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
PA AMERICAN WATER COMPANY
Private
Nearby Dams
Warner
Susquehanna, PA
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High Hazard 23 ftDuffield Pond
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Significant Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Lake Montrose?
Lake Montrose 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 Lake Montrose?
Lake Montrose is owned by PA AMERICAN WATER COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Montrose built?
Lake Montrose was completed in 1919, making it 107 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 Lake Montrose?
Lake Montrose serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Montrose?
Lake Montrose has a dam height of 14 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 Lake Montrose last inspected?
Lake Montrose was last inspected on January 19, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.