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.
Poly Met HRF Dam is privately owned by Poly Met Mining.
|Dam length||950 feet|
|Dam height||111 feet|
|Structural height||111 feet|
|Surface area||97 acres|
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.
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.
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.
Surface area, in acres, of the impoundment at its normal retention level.
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.
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.
|Also known as||Hydrometallurgical Residue Facility|
|Distance to nearest town (miles)||3|
|NID ID (National ID)||MN01800|