Wyoming Department of Environmental Quality

03/06/2026 | News release | Distributed by Public on 03/06/2026 21:34

COURTESY Public Notice of Amendment Approval for the Project West Solution Mine and Soda Ash Plant 23-02

COURTESY Public Notice of Amendment Approval for the Project West Solution Mine and Soda Ash Plant 23-02

A courtesy public notice is hereby given that the Industrial Siting Division received an amendment request on December 12, 2025, from West Soda LLC, an indirect subsidiary of WE Soda US LLC, (Permittee) regarding the Project West Solution Mine and Soda Ash Plant in Sweetwater County, Wyoming. The Permittee requested to change the date of construction commencement from before December 2025 to on or before July 2027.

All parties to the permit were notified of the requested amendment by certified mail, returned receipt. Information sent to the Industrial Siting Council and parties included a cover letter stating the right to be heard by the Council on this matter, a copy of the permit, and all information submitted to the Division regarding Permittee's amendment request. The request to amend the permit was publicly noticed in the Casper Star Tribune on January 29 and February 3 and 7, 2026. A courtesy public notice was also posted on the Wyoming Department of Environmental Quality website on January 21, 2026.

No party nor Council member requested the matter be heard before the Council. Pursuant to Condition #11 of the permit, the Director authorized the change on March 5, 2026. The public may review a copy of the approved amendment and any associated materials at the office of the WDEQ Industrial Siting Division in Cheyenne, Wyoming or online at:

https://drive.google.com/file/d/1XWMJAD9u7QRCrYuoNDBx3TnZCFJPKsy9/view

Persons may also request a copy of the approved amendment by emailing [email protected].

Dated this 6th day of March, 2026.

Industrial Siting Division, Department of Environmental Quality

200 West 17th Street, 4th Floor

Cheyenne, Wyoming, 82002

Telephone: (307) 777-7174

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Wyoming Department of Environmental Quality published this content on March 06, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on March 07, 2026 at 03:34 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]