Tailings Impoundment

Madison, Montana· Earth· 155 ft tall
Significant Hazard Private

Key Takeaway

Tailings Impoundment is classified as significant hazard in Montana. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 155 ft (taller than 99.7% in MT)
Dam TypeEarth
Max Storage200 acre-ft
Normal Storage200 acre-ft
Drainage Area0 sq mi
NID IDMT03975

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: April 23, 2009
State Regulated: Yes
Regulatory Agency: DEQ

Ownership

GOLDEN SUNLIGHT

Private

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Jackson #1

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Albro

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Marsh Lake

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Durham

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South Meadow Creek Dam

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Frequently Asked Questions

What is the hazard classification of Tailings Impoundment?

Tailings Impoundment is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Tailings Impoundment?

Tailings Impoundment is owned by GOLDEN SUNLIGHT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Tailings Impoundment?

Tailings Impoundment has a dam height of 155 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 Tailings Impoundment last inspected?

Tailings Impoundment was last inspected on April 23, 2009. 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.