2025 RMCGP (MSG11) Draft Permit
The Permit Board on Environmental Quality is proposing to reissue the statewide Ready-Mix Concrete General Permit (MSG11). This permit covers the State of Mississippi and authorizes the discharge of process wastewater, industrial storm water, and the construction and operation of air emissions equipment from ready-mix concrete facilities that fall under the Standard Industrial Classification (SIC) codes of 3271, 3272, and/or 3273. If reissued, this general permit would be active for a five year period. This general permit will replace the previous general permit that expired November 30, 2025. The general permit draft for public notice can be found HERE, the Public Notice can be found HERE, and the Fact Sheet can be found HERE (Attachment 1 / Attachment 2). The thirty (30) day public notice starts August 27, 2025. Written comments should be submitted to the following address no later than the end of the thirty (30) day public notice:
Chief, Environmental Permits Division
Mississippi Department of Environmental Quality
Office of Pollution Control
P.O. Box 2261
Jackson, Mississippi 39225
Ready Mix Concrete General Permit
The Ready-Mix Concrete General Permit (RMCGP) authorizes permit coverage recipients to construct and operate air emissions equipment and to discharge process wastewater and storm water in accordance with limitations, monitoring requirements and other conditions set forth in this permit. Facilities requesting coverage under this permit must operate under one of the following Standard Industrial Classifications (SIC).
SIC 3271 – Establishments primarily engaged in manufacturing concrete building block and brick from a combination of cement and aggregate.
SIC 3272 – Establishments primarily engaged in manufacturing concrete products, except block or brick, from a combination of cement and aggregate.
SIC 3273 –Establishments primarily engaged in manufacturing portland cement concrete manufactured and delivered to a purchaser in a plastic and unhardened state.
For assistance, please contact William Stacy.
General Permit and Related Information
Ready Mix Concrete General Permit
Significant Changes
Forms for Coverage
Form can be electronically submitted here
Notice of Intent Form
Notice of Intent Form – Detailed Instructions
Contiguous Landowner Notification Form
Public Notice Instructions and Template
Supplemental Forms
Change Request Form
Notice of Termination Form
Transfer and/or Name Change Request Form
Air Forms Required by Permit
Monthly Air Records Form
Air Notification of Construction Form
Water Forms Required by Permit
Monthly Site Inspection Form
Monthly Spill and Leak Log Sheet
Personnel Training Form
Annual SWPPP Evaluation Form
