Okhissa

PORTER CREEK· Franklin, Mississippi· Built 2005· Earth· 97 ft tall

High Hazard Recreation Fish And Wildlife Pond Federal Government

Key Takeaway

Okhissa is classified as high hazard in Mississippi. It was completed in 2005 and is 21 years old. Its primary use is recreation. 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	97 ft (taller than 100% in MS)
Dam Length	2,638 ft
Dam Type	Earth
Max Storage	44.1K acre-ft
Normal Storage	31.7K acre-ft

Surface Area	1,051 acres
Drainage Area	9,830 sq mi
Max Discharge	12,065 cfs
Year Completed	2005 (21 years old)
NID ID	MS03740

Safety Information

High Hazard

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?

Emergency Action Plan: Yes

Last Inspection: October 20, 2020

State Regulated: Yes

Regulatory Agency: MS DEPARTMENT OF ENVIRONMENTAL QUALITY

Ownership

USDA FS

Federal Government

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Frequently Asked Questions

What is the hazard classification of Okhissa?

Okhissa 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 Okhissa?

Okhissa is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Okhissa built?

Okhissa was completed in 2005, making it 21 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 Okhissa?

Okhissa serves the following purposes: Recreation, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Okhissa?

Okhissa has a dam height of 97 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 Okhissa last inspected?

Okhissa was last inspected on October 20, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.