Upper Chewalla Lake Dam
Key Takeaway
Upper Chewalla Lake Dam is classified as low hazard in Mississippi. It was completed in 1993 and is 33 years old. Its primary use is other.
Physical Details
| Dam Height | 20 ft (taller than 60.2% in MS) |
| Dam Length | 699 ft |
| Dam Type | Earth |
| Max Storage | 545 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,335 cfs |
| Year Completed | 1993 (33 years old) |
| NID ID | MS03358 |
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
U.S.D.A. FOREST SERVICE
Federal Government
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Unknown 20 ftFrequently Asked Questions
What is the hazard classification of Upper Chewalla Lake Dam?
Upper Chewalla Lake 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 Upper Chewalla Lake Dam?
Upper Chewalla Lake Dam is owned by U.S.D.A. FOREST SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Chewalla Lake Dam built?
Upper Chewalla Lake Dam was completed in 1993, making it 33 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 Upper Chewalla Lake Dam?
Upper Chewalla Lake Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Upper Chewalla Lake Dam?
Upper Chewalla Lake Dam has a dam height of 20 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.