Tailings Impoundment

Tailings Impoundment is an earth dam located in Madison County, Montana. It carries a Significant hazard potential classification.

About Tailings Impoundment

Tailings Impoundment is a dam in Madison, Montana. The dam is owned by Golden Sunlight (private).

The dam stands 155 feet tall, and has a maximum storage capacity of 200 acre-feet.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 04/23/2009. That was over 16 years ago.

At 155 feet, this dam is taller than 99% of all dams in the United States.

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Significant Hazard ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyMadison
Nearest CityCardwel
Coordinates45.53530, -112.03800

Physical Characteristics

Dam TypeEarth
NID Height155 ft
Dam Height155 ft

Storage & Hydraulics

NID Storage200 acre-ft
Max Storage200 acre-ft
Normal Storage200 acre-ft

Ownership & Safety

OwnerGOLDEN SUNLIGHT
Owner TypePrivate
Hazard ClassificationSignificant
Last Inspection04/23/2009
Emergency Action PlanNot Required

Identifiers

NID IDMT03975
Federal IDMT03975
More InfoState Dam Safety Program

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