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The information contained in this report is obtained from MDEQ's enSite (electronic environmental Site Information System) System used by the Office of Pollution Control's Air Division, Environmental Permits Division and Environmental Compliance and Enforcement Division, and the Office of Geology's Mining and Reclamation Division. The purpose of the system is to support permitting and compliance activities of the Department of Environmental Quality. Regulatory programs that are supported by this database are the Surface Water National Pollutant Discharge Elimination System (NPDES) Program; the Air Title V, Construction and Operating Programs; the Solid and Hazardous Waste Programs; Geology Surface Mining and Reclamation Division; and the Waste Tire Program (the UST program is currently not supported). There are other regulatory programs within the Department that do not currently utilize this database including programs managed by the Office of Land and Water, and the Total Maximum Daily Load (TMDL) Program. For Additional Information about Permits at Public Notice follow this link.

Entergy Mississippi Inc, Rex Brown Plant

General Information

AI IDBranchSICCountyBasinStartEnd
2286Air 1
Haz Waste
Stormwater 401
Water 1
4911HindsBig Black River, Pearl River02/12/1991 


Physical and Mailing Address

Physical Address (Primary)Mailing Address
1960 West Northside Drive
Jackson, MS 39213
1960 West Northside Drive
Jackson, MS 39213


Permits and Alternate/Historic AI Identifiers

Alt IDAlt NameAlt TypeStart DateEnd Date
108000112Plant Rex BrownAir-Acid Rain01/07/200501/06/2010
2286Entergy Mississippi Inc Rex Brown PlantAir-Notification04/03/2008 
2286Rex Brown Plant AnnualAir-Notification12/12/2008 
2286Entergy Mississippi Inc, Rex Brown PlantAir-Notification03/17/2009 
2286Entergy Mississippi Inc, Rex Brown PlantAir-Notification10/19/2009 
2286Rex Brown Plant Contractor Building TrailerAir-Notification11/04/2009 
2286Rex Brown Steam Electric StationAir-Notification12/15/2009 
2286AnnualAir-Notification12/15/2010 
2286Rex Brown Unit 4Air-Notification09/27/2011 
2286Annual Rex Brown PlantAir-Notification12/08/2011 
2286Rex Brown Steam Electric stationAir-Notification10/25/2012 
2286Rex Brown Steam Electric StationAir-Notification11/26/2012 
2286AnnualAir-Notification12/03/2012 
2286Rex Brown Steam Electric StationAir-Notification08/27/2013 
2286Rex Brown Plant Annual notificationAir-Notification12/02/2013 
2286Rex Brown Unit # 4 boiler and exhaust stackAir-Notification02/27/2014 
2286Entergy Mississippi Inc, Rex Brown Plant Annual Air-Notification12/05/2014 
2286Entergy Mississippi Rex Brown Plant Unit 4Air-Notification01/22/2015 
2286Entergy Mississippi Inc, Rex Brown Plant AnnualAir-Notification12/09/2015 
2286AnnualAir-Notification12/08/2016 
2286Entergy Mississippi Rex BrownAir-Notification10/16/2017 
2286Entergy Mississippi Inc. Rex Brown PlantAir-Notification12/13/2017 
2286AnnualAir-Notification12/13/2017 
2286Entergy Mississippi Inc, Rex Brown PlantAir-Notification06/01/2018 
2286Unit #3 Induced Draft FanAir-Notification01/22/2019 
2286Unit #4 Boiler Furnace Wall InsulationAir-Notification06/12/2019 
2286Compressor BuildingAir-Notification08/22/2019 
2286AnnualAir-Notification12/19/2019 
2286Multiple StructuresAir-Notification04/10/2020 
108000112Entergy Mississippi Inc, Rex Brown PlantAir-Title V Operating09/12/199709/01/2002
108000112Entergy Mississippi Inc, Rex Brown PlantAir-Title V Operating01/07/200501/06/2010
108000112Entergy Mississippi, Inc., Rex Brown PlantAir-Title V Operating07/07/201006/30/2015
108000112Entergy Mississippi Inc, Rex Brown PlantAir-Title V Operating03/29/201802/28/2023
MSR001190Entergy Mississippi Inc, Rex Brown PlantGP-Baseline04/12/199511/02/2000
MSR001190Entergy Mississippi Inc, Rex Brown PlantGP-Baseline11/02/200001/10/2006
MSR001190Entergy Mississippi Inc, Rex Brown PlantGP-Baseline01/10/200609/30/2010
MSR001190Entergy Mississippi Inc, Rex Brown PlantGP-Baseline02/25/201109/28/2015
MSR001190Entergy Mississippi Inc, Rex Brown PlantGP-Baseline03/21/201610/31/2020
MSR001190Entergy Mississippi Inc, Rex Brown PlantGP-Baseline09/13/202111/30/2025
MSR108197Entergy Mississippi Inc, Rex Brown PlantGP-Construction06/30/202012/31/2021
MSD991277062Entergy Mississippi Inc, Rex Brown PlantHazardous Waste-EPA ID07/11/1996 
MS0002381Entergy Mississippi Inc, Rex Brown PlantWater-NPDES02/12/199102/11/1996
MS0002381Entergy Mississippi Inc, Rex Brown PlantWater-NPDES04/25/200303/31/2008
MS0002381Entergy Mississippi Inc, Rex Brown PlantWater-NPDES08/14/200807/31/2013
MS0002381Entergy Mississippi Inc, Rex Brown PlantWater-NPDES04/13/201803/31/2023


Office of Pollution Control Contacts

NameAssignmentPhone Number
Hardy, TylerOffice of Pollution Control Air Compliance Manager(601) 961-5685
Salem, NamehOffice of Pollution Control Air Compliance Staff(601) 961-5234
Bland, JeffreyOffice of Pollution Control Air Permit Manager(601) 961-5112
Bland, JeffreyOffice of Pollution Control Air Permit Staff(601) 961-5112
Justice, BradleyOffice of Pollution Control Hazardous Waste Manager(601) 961-5064
Justice, BradleyOffice of Pollution Control Hazardous Waste Staff(601) 961-5064
Beasley, SaraOffice of Pollution Control Stormwater Compliance Manager(601) 961-5283
Beasley, SaraOffice of Pollution Control Stormwater Compliance Staff(601) 961-5283
Bass, FloranceOffice of Pollution Control Stormwater Permit Manager(601) 961-5614
White, MorganOffice of Pollution Control Stormwater Permit Staff(601) 961-5175
Beasley, DannyOffice of Pollution Control Water Compliance Manager(601) 961-5356
Watkins, AshleyOffice of Pollution Control Water Compliance Staff(601) 961-5168
Tomkins, TracyOffice of Pollution Control Water Permit Manager(601) 961-5622
Kelly, ThomasOffice of Pollution Control Water Permit Staff(601) 961-5562


Active Permits Available Online

Permit TypePermit NumberIssue DatePermit Document
Air - Title V Renewal1080-0011203/29/2018 click for document
Water - NPDES RenewalMS000238104/13/2018 click for document


Active Coverages Available Online

Permit TypePermit NumberIssue DatePermit Document
General Permit - Baseline RecoverageMSR00119009/13/2021 click for document
General Permit - Construction CoverageMSR10819706/30/2020 click for document


Current Status of Individual Permit Applications

ProgramPermit TypePermit NumberStatus DateStatus Desc.
AirTitle V Renewal1080-0011203/29/2018Permit Issued
WaterNPDES RenewalMS000238104/13/2018Permit Issued


Current Status of General Permit Applications

ProgramPermit TypePermit NumberStatus DateStatus Desc.PDF
General PermitBaseline RecoverageMSR00119009/13/2021Coverage Terminated click for document
General PermitConstruction CoverageMSR10819706/30/2020Coverage Issued click for document

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Disclaimer: The information found in enSearch Online is for informational purposes only. While the Department makes reasonable efforts to maintain the data accurately and in a timely manner, enSearch Online is not a legal substitute for the official administrative files of the Department and will from time to time contain information that is not as complete as the information contained in the full administrative file of the agency. Additionally, typographical errors may occur in the transcription of written or typed information into the enSearch Online database; therefore, care should be taken to confirm the information in the database with information in the agency's administrative files. If any conflict exists between information contained in the enSearch Online database and the official administrative files of the Department, the official administrative files of the Department should be considered the official record. Nor is the posting of information on enSearch Online intended to replace the traditional methods of publishing public notice of certain documents as required by State and Federal statutes and/or regulations. EnSearch Online is intended to enhance the public's access to basic agency information. If you wish to review the official public records of the Department, you should contact the Public Records Officer of the Department at :
attn:Public Records Officer,
Mississippi Department of Environmental Quality

PO Box 2261,
Jackson, MS 39225-2261,
Phone Number (601) 961-5758 or
(601) 961-5171,
Fax Number (601) 354-6356.