Thunder Lake Dam

Jones, Mississippi· Built 2000· 18 ft tall

High Hazard Private

Key Takeaway

Thunder Lake Dam is classified as high hazard in Mississippi. It was completed in 2000 and is 26 years old. 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	18 ft (taller than 50.7% in MS)
Max Storage	31 acre-ft
Normal Storage	26 acre-ft

Surface Area	4 acres
Drainage Area	0 sq mi
Year Completed	2000 (26 years old)
NID ID	MS07333

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: No

Last Inspection: March 7, 2023

State Regulated: Yes

Regulatory Agency: MS DEPARTMENT OF ENVIRONMENTAL QUALITY

Ownership

JIM & EVE WEBB

Private

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Frequently Asked Questions

What is the hazard classification of Thunder Lake Dam?

Thunder 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 Thunder Lake Dam?

Thunder Lake Dam is owned by JIM & EVE WEBB (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Thunder Lake Dam built?

Thunder Lake Dam was completed in 2000, making it 26 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Thunder Lake Dam?

Thunder Lake Dam has a dam height of 18 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 Thunder Lake Dam last inspected?

Thunder Lake Dam was last inspected on March 7, 2023. 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.