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Poly Met HRF Dam
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Poly Met HRF Dam Share Share

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Embarrass, Minnesota
Tailings
Privately owned

Poly Met HRF Dam is an earth dam located in Embarrass, Minnesota. It was built for the purpose of tailings.

The dam is privately owned by Poly Met Mining. It is also known as Hydrometallurgical Residue Facility.

Location
Poly Met HRF Dam
Embarrass, Minnesota, U.S.
Dam type
Earth
Dam type
Tailings
Purpose
Unknown
Foundation type
Unknown
Core type
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Map Share Share
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Ownership Share Share
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Poly Met Mining
Owner
Private

Poly Met HRF Dam is privately owned by Poly Met Mining.

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Construction Share Share
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None
Barr Engineering
Dam designer
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Metrics Share Share
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Summary
Dam length 950 feet
Dam height 111 feet
Structural height 111 feet
Surface area 97 acres
950 feet
Dam length

Length of the dam is defined as the length along the top of the dam. This also includes the spillway, powerplant, navigation lock, fish pass, etc., where these form part of the length of the dam. If detached from the dam, these structures should not be included.

111 feet
Dam height

Height of the dam is defined as the vertical distance between the lowest point on the crest of the dam and the lowest point in the original streambed.

111 feet
Structural height

Structural height of the dam is defined as the vertical distance from the lowest point of the excavated foundation to the top of the dam. Top of dam refers to the parapet wall and not the crest.

97 acres
Surface area

Surface area, in acres, of the impoundment at its normal retention level.

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Safety Share Share
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Significant
Downstream potential hazard

Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be located in areas with population and significant infrastructure.

Not required
Emergency action plan

An emergency action plan is defined as a plan of action to be taken to reduce the potential for property damage and loss of life in an area affected by a dam failure or large flood.

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About Share Share
Also known as Hydrometallurgical Residue Facility
Distance to nearest town (miles) 3
Latitude 47
Longitude -92
NID ID (National ID) MN01800
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