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Western Region
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News and Notices

Find a listing of public notices on updated documentation, posters, publications, and requests for comments of proposed mine permitting activities.


The Office of Surface Mining Reclamation and Enforcement (OSMRE) is required by regulation 30 CFR 780.21(g) to complete a Cumulative Hydrologic Impact Assessment (CHIA) for proposed mining operations. A CHIA assesses whether the mining operation has been designed to prevent material damage to the hydrologic balance outside the permit area.

Absaloka Mine

Westoremoreland Resources, Inc. submitted a permit renewal application to the Office of Surface Mining Reclamation and Enforcement (OSMRE), Casper Area Office. This permit renewal does not contain any changes to the currently approved OSMRE Peremit No. MT-0021A. This renewal will allow continued surface coal mining and reclamation operations for an additional 5 years.

Black Mesa Environmental Impact Statement

Materials related to the Black Mesa Environmental Impact Statement.

Centralia Mine

Bull Mountains Mine

Materials related to the Signal Peak Energy, LLC (SPE) Bull Mountains Mine No.1 Federal Mining Plan Modification Environmental Assessment (EA).

Colowyo Coal Mine

Materials related to the Colowyo Coal Mine, Collom Permit Expansion Area Project Mining Plan Environmental Assessment (EA).

Four Corners and Navajo Energy Project

The Four Corners Power Plant and Navajo Mine Energy Project Environmental Impact Statement (EIS).

John Henry No. 1 Mine

Materials related to the proposed revision of Permit WA0007D for Resumption of Coal Mining at Pacific Coast Coal Company’s John Henry No. 1 Mine and proposed Renewal of Permit WA0007D.

Kayenta Mine

Materials related to the Kayenta Mine.

Kayenta Mine Complex

Materials and information on the Life of Mine (LOM) significant permit revision application from Peabody Western Coal Company (PWCC) for the Kayenta Mine Complex (KMC).

Navajo Mine

Materials related to permitting actions of the Navajo Mine.

Western Energy Company Rosebud Coal Mine Area F Project

Information regarding the Western Energy Company (WECo) Rosebud Coal Mine Area F Expansion Project Environmental Impact Statement (EIS) documentation.

Page Last Modified/Reviewed: 10/17/14

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