Ready Mix Concrete General Permit
Announcement – Public Notice

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 March 31, 2019. 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. The thirty (30) day public notice starts November 2, 2020. 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

A Letter of Instruction and Re-Coverage Form will be mailed to everyone that holds an active coverage. Existing coverage holders may request re-coverage under the reissued general permit by completing and submitting the Re-Coverage Form within 60 days of the date of the Letter of Instruction. The Re-Coverage Form will be available for access upon general permit reissuance.


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 Becky Williams.