Holden #22 Slurry Impoundment

Logan, West Virginia· Earth· 355 ft tall

High Hazard Tailings Private

Key Takeaway

Holden #22 Slurry Impoundment is classified as high hazard in West Virginia. 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	355 ft (taller than 95.2% in WV)
Dam Length	600 ft
Dam Type	Earth
Max Storage	20 acre-ft

NID ID	WV04513

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

State Regulated: No

Ownership

Coal-Mac LLC

Private

Nearby Dams

Ragland Slurry Impoundment

Mingo, WV

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Rock House Branch Slurry Impoundment

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High Hazard 482 ft

Twelvepole Refuse Impoundment

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High Hazard 235 ft

Delbarton Slurry Impoundment

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Laurel Creek Lake No.1

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High Hazard 47 ft

Tinsley Branch Refuse Impoundment

Logan, WV

Unknown 405 ft

Ben Creek Slurry Impoundment

Mingo, WV

High Hazard 358 ft

Frequently Asked Questions

What is the hazard classification of Holden #22 Slurry Impoundment?

Holden #22 Slurry Impoundment 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 Holden #22 Slurry Impoundment?

Holden #22 Slurry Impoundment is owned by Coal-Mac LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Holden #22 Slurry Impoundment?

Holden #22 Slurry Impoundment 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 Holden #22 Slurry Impoundment?

Holden #22 Slurry Impoundment has a dam height of 355 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.

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.