Millsboro Pond Dam
Key Takeaway
Millsboro Pond Dam is classified as high hazard in Delaware. It was completed in 1920 and is 106 years old. Its primary use is fish and wildlife pond. 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 62.2% in DE) |
| Dam Length | 510 ft |
| Dam Type | Gravity |
| Max Storage | 336 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 184 acres |
| Drainage Area | 62 sq mi |
| Max Discharge | 1,190 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | DE00018 |
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
DELDOT;DNREC DFW
State Government
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Significant Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Millsboro Pond Dam?
Millsboro Pond 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 Millsboro Pond Dam?
Millsboro Pond Dam is owned by DELDOT;DNREC DFW (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Millsboro Pond Dam built?
Millsboro Pond Dam was completed in 1920, making it 106 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 Millsboro Pond Dam?
Millsboro Pond Dam serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Millsboro Pond Dam?
Millsboro Pond 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 Millsboro Pond Dam last inspected?
Millsboro Pond Dam was last inspected on May 12, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.