Waste Management Bureau | Reissuance of Hazardous Waste Permit for CHS Inc. Laurel Refinery- Permit No. MTHWP-25-01| Laurel, MT | Comment Period Closes July 31, 2025

DEQ is seeking public comment on a draft permit and environmental assessment for the hazardous waste permit at the CHS Inc. Laurel Refinery in Laurel, Montana.

The draft hazardous waste permit includes the post-closure care for a closed Land Treatment Unit and implementation of facility-wide corrective action.

Associated Materials:

• Draft Permit
• Draft Environmental Assessment
• Factsheet
• Public Notice
• Request for Public Comment

Comment Period Ends: July 31, 2025

Send/Submit Comments To:

Alexis Frost

Waste Management Bureau

PO Box 200901

Helena, MT 59620

Or electronically to:  deqhazwaste@mt.gov

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Tags: Public Comment and Hazardous Waste