Westfork Main Dam

TR WEST FORK BLACK RIVER· Reynolds, Missouri· Built 1992· Other· 132 ft tall
High Hazard Tailings Private

Key Takeaway

Westfork Main Dam is classified as high hazard in Missouri. It was completed in 1992 and is 34 years old. Its primary use is tailings. 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 132 ft (taller than 99.7% in MO)
Dam Length800 ft
Dam TypeOther
Max Storage7.5K acre-ft
Normal Storage7.5K acre-ft
Surface Area25 acres
Drainage Area1 sq mi
Max Discharge1,638 cfs
Year Completed1992 (34 years old)
NID IDMO31833

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: April 14, 2022
State Regulated: Yes
Regulatory Agency: Dam and Reservoir Safety Program

Ownership

Private

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Frequently Asked Questions

What is the hazard classification of Westfork Main Dam?

Westfork Main 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 Westfork Main Dam?

Westfork Main Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Westfork Main Dam built?

Westfork Main Dam was completed in 1992, making it 34 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 Westfork Main Dam?

Westfork Main Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Westfork Main Dam?

Westfork Main Dam has a dam height of 132 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 Westfork Main Dam last inspected?

Westfork Main Dam was last inspected on April 14, 2022. 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.