Lake Helen Dam
Key Takeaway
Lake Helen Dam is classified as low hazard in Mississippi. It was completed in 1965 and is 61 years old. Its primary use is recreation.
Physical Details
| Dam Height | 25 ft (taller than 78.4% in MS) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 160 acre-ft |
| Normal Storage | 140 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 350 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | MS01498 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
DOD USN
Federal Government
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What is the hazard classification of Lake Helen Dam?
Lake Helen Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lake Helen Dam?
Lake Helen Dam is owned by DOD USN (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Helen Dam built?
Lake Helen Dam was completed in 1965, making it 61 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 Lake Helen Dam?
Lake Helen Dam 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 Lake Helen Dam?
Lake Helen Dam has a dam height of 25 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 Lake Helen Dam last inspected?
Lake Helen Dam was last inspected on March 1, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.