St. Louis

The Quikrete Companies Inc. submitted an Intermediate Operating Permit application for its facility located in Valley Park, Missouri. The department reviewed the application and proposes to issue an Intermediate Operating Permit. The department invites the public to review and offer written comments on the draft permit until Sept. 27, 2026. The public can review the application and draft permit below.

The Missouri Department of Conservation applied for authorization to either discharge to waters of the state, or to operate a no-discharge wastewater treatment facility. The department proposes to issue a Missouri State Operating Permit for the Powder Valley Conservation Nature Center, subject to certain effluent limitations, schedules and special conditions. The department invites the public to review and offer written comments on the proposed permit conditions until Sept. 14, 2026.

Redexim North America Inc. applied for authorization to either discharge to waters of the state, or to operate a no-discharge wastewater treatment facility. The department proposes to issue a Missouri State Operating Permit for the Peerless Park I-44 Service Center, subject to certain effluent limitations, schedules and special conditions. The department invites the public to review and offer written comments on the proposed permit conditions until Sept. 14, 2026.

Bayer Research and Development Services LLC submitted an Intermediate Operating Permit application for its facility located in Chesterfield, Missouri. The department reviewed the application and proposes to issue an Intermediate Operating Permit. The department invites the public to review and offer written comments on the draft permit until Aug. 29, 2026. The public can review the application and draft permit below.