Hiwassee
Key Takeaway
Hiwassee is classified as low hazard in Oklahoma. It was completed in 1950 and is 76 years old. Its primary use is recreation.
Physical Details
| Dam Height | 44 ft (taller than 89.5% in OK) |
| Dam Length | 1,550 ft |
| Dam Type | Earth |
| Max Storage | 3.1K acre-ft |
| Normal Storage | 2.4K acre-ft |
| Surface Area | 132 acres |
| Max Discharge | 7,000 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | OK02432 |
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
LAKE HIWASSEE IMPROVEMENT CO
Private
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Hiwassee?
Hiwassee 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 Hiwassee?
Hiwassee is owned by LAKE HIWASSEE IMPROVEMENT CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hiwassee built?
Hiwassee was completed in 1950, making it 76 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 Hiwassee?
Hiwassee 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 Hiwassee?
Hiwassee has a dam height of 44 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 Hiwassee last inspected?
Hiwassee was last inspected on February 4, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.