Bellevue Lake Dam
Key Takeaway
Bellevue Lake Dam is classified as high hazard in Delaware. It was completed in 1933 and is 93 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 | 15 ft (taller than 62.2% in DE) |
| Dam Length | 330 ft |
| Dam Type | Gravity |
| Max Storage | 145 acre-ft |
| Normal Storage | 126 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 93 cfs |
| Year Completed | 1933 (93 years old) |
| NID ID | DE00011 |
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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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Bellevue Lake Dam?
Bellevue Lake 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 Bellevue Lake Dam?
Bellevue Lake Dam is owned by UNIITED WATER DELAWARE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Bellevue Lake Dam built?
Bellevue Lake Dam was completed in 1933, making it 93 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 Bellevue Lake Dam?
Bellevue 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 Bellevue Lake Dam?
Bellevue Lake 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.