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Mississippi Department of Environmental Quality


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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.

Westlake Compounds LLC dba Westlake Global Compounds, Gallman

General Information

AI IDBranchSICCountyBasinStartEnd
970Air 1
Haz Waste
Stormwater 401
Water 1
3087CopiahPearl River04/11/1995 


Physical and Mailing Address

Physical Address (Primary)Mailing Address
20043 Highway 51
Hazlehurst, MS 39083
20043 Highway 51
Hazlehurst, MS 39083


Permits and Alternate/Historic AI Identifiers

Alt IDAlt NameAlt TypeStart DateEnd Date
060000002Georgia Gulf Chemicals & Vinyls LLC, GallmanAir-Construction04/11/199504/11/1995
060000002Georgia Gulf Chemicals & Vinyls LLC, GallmanAir-Construction12/17/1996 
060000002Georgia Gulf Chemicals & Vinyls LLC, GallmanAir-Construction01/28/1997 
060000002Georgia Gulf Chemicals & Vinyls LLC, GallmanAir-Construction01/06/1999 
060000002Georgia Gulf Chemicals & Vinyls LLC, GallmanAir-State Operating04/11/199504/01/2000
060000002Georgia Gulf Chemicals & Vinyls LLC, GallmanAir-State Operating12/17/199604/01/2000
060000002Georgia Gulf Chemicals & Vinyls LLC, GallmanAir-State Operating01/28/199704/01/2000
060000002Georgia Gulf Chemicals & Vinyls LLC, GallmanAir-State Operating01/06/199904/01/2000
060000002Georgia Gulf Chemicals & Vinyls LLC, GallmanAir-State Operating12/14/1999 
MSR001524Georgia Gulf Chemicals & Vinyls LLC, GallmanGP-Baseline12/14/200102/16/2006
MSR001524Georgia Gulf Chemicals & Vinyls LLC, GallmanGP-Baseline02/16/200612/06/2010
MSR001524Georgia Gulf Chemicals & Vinyls LLC, GallmanGP-Baseline12/06/201002/05/2013
MSR001524Axiall, LLCGP-Baseline02/05/201305/11/2017
MSR001524Axiall, LLCGP-Baseline05/11/201712/05/2018
MSR001524Westlake Compounds LLCGP-Baseline12/05/201810/31/2020
MSR001524Westlake Compounds LLCGP-Baseline02/02/202107/17/2024
MSR001524Westlake Compounds LLC dba Westlake Global Compounds, GallmanGP-Baseline07/17/202411/30/2025
MSD981025612Georgia Gulf Chemicals & Vinyls LLC, GallmanHazardous Waste-EPA ID03/12/199002/20/2013
MSD981025612Axiall LLCHazardous Waste-EPA ID02/20/201311/02/2021
MSD981025612Westlake Compounds LLCHazardous Waste-EPA ID11/02/2021 
MS0036986Georgia Gulf Chemicals & Vinyls LLC, GallmanWater-NPDES04/10/199704/10/2002
MS0036986Georgia Gulf Chemicals & Vinyls LLC, GallmanWater-NPDES12/14/199904/10/2002
MS0036986Georgia Gulf Chemicals & Vinyls LLC, GallmanWater-NPDES02/04/200201/17/2007
MS0036986Georgia Gulf Chemicals and Vinyls LLC, GallmanWater-NPDES01/17/200712/12/2011
MS0036986Georgia Gulf Chemicals and Vinyls LLC, GallmanWater-NPDES12/12/201102/05/2013
MS0036986Axiall LLCWater-NPDES02/05/201311/30/2016
MS0036986Axiall LLCWater-NPDES05/24/201701/14/2019
MS0036986Westlake Compounds LLCWater-NPDES01/14/201904/30/2022
MS0036986Westlake Compounds LLC dba Westlake Global Compounds, GallmanWater-NPDES05/09/202204/30/2027


Office of Pollution Control Contacts

NameAssignmentPhone Number
McNamara, JoeOffice of Pollution Control Air Compliance Manager(601) 961-5084
McNamara, JoeOffice of Pollution Control Air Compliance Staff(601) 961-5084
Bland, JeffreyOffice of Pollution Control Air Permit Manager(601) 961-5112
Bland, JeffreyOffice of Pollution Control Air Permit Staff(601) 961-5112
Caron, KristaOffice of Pollution Control Hazardous Waste Manager(601) 961-5719
Beasley, SaraOffice of Pollution Control Stormwater Compliance Manager(601) 961-5283
Drinnon, LeahOffice of Pollution Control Stormwater Compliance Staff(601) 961-5624
Beasley, DannyOffice of Pollution Control Water Compliance Manager(601) 961-5356
Brown, TravisOffice of Pollution Control Water Compliance Staff(601) 961-5322
Tomkins, TracyOffice of Pollution Control Water Permit Manager(601) 961-5622
Patel, SamarOffice of Pollution Control Water Permit Staff(601) 961-5331


Active Permits Available Online

Permit TypePermit NumberIssue DatePermit Document
Water - NPDES RenewalMS003698605/09/2022 click for document


Active Coverages Available Online

Permit TypePermit NumberIssue DatePermit Document
General Permit - Baseline Administrative ModificationMSR00152407/17/2024 click for document


Current Status of Individual Permit Applications

ProgramPermit TypePermit NumberStatus DateStatus Desc.
AirConstruction PermitNone Assigned01/06/1999Permit Issued
AirState Operating Permit Renewal06000000207/15/2000Application Withdrawn
WaterNPDES RenewalMS003698605/09/2022Process Public Comments


Current Status of General Permit Applications

ProgramPermit TypePermit NumberStatus DateStatus Desc.PDF
General PermitBaseline RecoverageMSR00152407/17/2024Coverage Terminated 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 : Public Records Officer, Mississippi Department of Environmental Quality, PO Box 2261, Jackson, MS 39225-2261, Phone Number (601) 961-5611 or (601) 961-5171, Fax Number (601) 354-6356.