Edgemoor Reservoir Dam
Key Takeaway
Edgemoor Reservoir Dam is classified as high hazard in Delaware. It was completed in 1908 and is 118 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 | 13 ft (taller than 37.8% in DE) |
| Dam Length | 1,820 ft |
| Dam Type | Gravity |
| Max Storage | 82 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1908 (118 years old) |
| NID ID | DE00012 |
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
UNIITED WATER DELAWARE
Private
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What is the hazard classification of Edgemoor Reservoir Dam?
Edgemoor Reservoir 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 Edgemoor Reservoir Dam?
Edgemoor Reservoir Dam is owned by UNIITED WATER DELAWARE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Edgemoor Reservoir Dam built?
Edgemoor Reservoir Dam was completed in 1908, making it 118 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 Edgemoor Reservoir Dam?
Edgemoor Reservoir 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 Edgemoor Reservoir Dam?
Edgemoor Reservoir Dam has a dam height of 13 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 Edgemoor Reservoir Dam last inspected?
Edgemoor Reservoir Dam was last inspected on October 16, 2000. Inspection dates indicate when a formal review occurred, not the results of that inspection.