Mississippi Department of Environmental Quality

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, Madison

General Information

AI ID	Branch	SIC	County	Basin	Start	End
16314	Haz Waste Stormwater 401	3087	Madison	Big Black River, Pearl River	02/06/2001

Physical and Mailing Address

Physical Address (Primary)	Mailing Address
210 Industrial Drive North Madison, MS 39110	210 Industrial Drive North Madison, MS 39110

Permits and Alternate/Historic AI Identifiers

AI ID	Alt Name	Alt Type	Start Date	End Date
MSR001506	Georgia Gulf Chemicals and Vinyls LLC	GP-Baseline	09/27/2001	01/23/2006
MSR001506	Georgia Gulf Chemicals and Vinyls LLC	GP-Baseline	01/23/2006	12/06/2010
MSR001506	Georgia Gulf Chemicals and Vinyls, L.L.C.	GP-Baseline	12/06/2010	02/05/2013
MSR001506	Axiall, LLC	GP-Baseline	02/05/2013	05/11/2017
MSR001506	Axiall, LLC	GP-Baseline	05/11/2017	10/31/2020
MSR001506	Westlake Compounds LLC	GP-Baseline	08/27/2021	11/30/2025
MSR000100305	Georgia Gulf Corporation	Hazardous Waste-EPA ID	02/06/2001	02/20/2013
MSR000100305	Axiall LLC	Hazardous Waste-EPA ID	02/20/2013	11/13/2018
MSR000100305	Westlake Compounds LLC	Hazardous Waste-EPA ID	11/13/2018
MSP091981	Georgia Gulf Chemicals and Vinyls LLC	Water-Pretreatment	05/08/2003	04/30/2008

Office of Pollution Control Contacts

Name	Assignment	Phone Number
Caron, Krista	Office of Pollution Control Hazardous Waste Manager	(601) 961-5719
Justice, Bradley	Office of Pollution Control Hazardous Waste Staff	(601) 961-5064
Beasley, Sara	Office of Pollution Control Stormwater Compliance Manager	(601) 961-5283
Beasley, Sara	Office of Pollution Control Stormwater Compliance Staff	(601) 961-5283
Simonson, Becky	Office of Pollution Control Stormwater Permit Staff	(601) 961-5580

Active Permits Available Online

Permit Type	Permit Number	Issue Date	Permit Document

Active Coverages Available Online

Permit Type	Permit Number	Issue Date	Permit Document
General Permit - Baseline Recoverage	MSR001506	08/27/2021

Current Status of Individual Permit Applications

Program	Permit Type	Permit Number	Status Date	Status Desc.
Water	NPDES	None Assigned	09/30/2002	Application Withdrawn
Water	Pretreatment Modification	MSP091981	01/21/2004	Permit Issued

Current Status of General Permit Applications

Program	Permit Type	Permit Number	Status Date	Status Desc.	PDF
General Permit	Baseline Administrative Modification	MSR001506	03/23/2022	Receive Name Change / Transfer Request

Current Status of Plans & Specs Approval Letters

Program	Permit Type	Permit Number	Status Date	Status Desc

Current Status of Water Quality Certification

Program	Type	Cert No.	Status Date	Status Desc

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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 Request Link
PO Box 2261
Jackson, MS 39225-2261
Phone Number: (601) 961-5171
Fax Number: (601) 961-5049