Monhagen Lake Dam
Key Takeaway
Monhagen Lake Dam is classified as significant hazard in New York. It was completed in 1867 and is 159 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 12 ft (taller than 23.2% in NY) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 858 acre-ft |
| Normal Storage | 635 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 42 cfs |
| Year Completed | 1867 (159 years old) |
| NID ID | NY16220 |
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 MIDDLETOWN
Local Government
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Monhagen Lake Dam?
Monhagen 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 Monhagen Lake Dam?
Monhagen Lake Dam is owned by CITY OF MIDDLETOWN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Monhagen Lake Dam built?
Monhagen Lake Dam was completed in 1867, making it 159 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 Monhagen Lake Dam?
Monhagen Lake Dam 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 Monhagen Lake Dam?
Monhagen Lake Dam 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 Monhagen Lake Dam last inspected?
Monhagen Lake Dam was last inspected on December 2, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.