Nagels Mill Pond
Key Takeaway
Nagels Mill Pond is classified as significant hazard in Maryland. It was completed in 1860 and is 166 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 29.7% in MD) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 175 acre-ft |
| Normal Storage | 91 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 1,600 cfs |
| Year Completed | 1860 (166 years old) |
| NID ID | MD00074 |
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
Nagel Farm Service, Inc.
Private
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Nagels Mill Pond?
Nagels Mill Pond 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 Nagels Mill Pond?
Nagels Mill Pond is owned by Nagel Farm Service, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Nagels Mill Pond built?
Nagels Mill Pond was completed in 1860, making it 166 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 Nagels Mill Pond?
Nagels Mill Pond 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 Nagels Mill Pond?
Nagels Mill Pond has a dam height of 16 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 Nagels Mill Pond last inspected?
Nagels Mill Pond was last inspected on December 3, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.