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.

Discovery Energy LLC, Engine Plant Number 1

General Information

AI ID	Branch	SIC	County	Basin	Start	End
1078	Air 2 Haz Waste Stormwater 401 Water 2	3519	Forrest	Pascagoula River	07/02/1997

Physical and Mailing Address

Physical Address (Primary)	Mailing Address
182 John Merl Tatum Industrial Drive Hattiesburg, MS 39401	200 Twin Oaks Drive Kohler, WI 53044

Permits and Alternate/Historic AI Identifiers

AI ID	Alt Name	Alt Type	Start Date	End Date
080000092	Kohler Company, Hattiesburg Engine Plant	Air-Construction	07/02/1997
080000092	Kohler Company, Hattiesburg Engine Plant	Air-Construction	01/06/1999
080000092	Kohler Company, Hattiesburg Engine Plant	Air-State Operating	07/02/1997	11/01/2002
080000092	Kohler Company, Hattiesburg Engine Plant	Air-State Operating	11/23/1999	11/23/1999
080000092	Kohler Company, Hattiesburg Engine Plant	Air-Synthetic Minor Operating	08/03/2020	06/18/2024
080000092	Discovery Energy LLC, Engine Plant Number 1	Air-Synthetic Minor Operating	06/18/2024	07/31/2025
080000092	Kohler Company, Hattiesburg Engine Plant	Air-Title V Operating	06/20/2000	05/10/2005
080000092	Kohler Company, Hattiesburg Engine Plant	Air-Title V Operating	05/12/2005	04/30/2010
080000092	Kohler Company, Hattiesburg Engine Plant	Air-Title V Operating	04/09/2010	02/02/2015
080000092	Kohler Company, Hattiesburg Engine Plant	Air-Title V Operating	02/02/2015	01/31/2020
MSR110154	Kohler Company, Hattiesburg Engine Plant	GP-Baseline	11/27/2000	02/10/2006
MSR110154	Kohler Company, Hattiesburg Engine Plant	GP-Baseline	02/10/2006	12/09/2010
MSR110154	Kohler Company, Hattiesburg Engine Plant	GP-Baseline	12/09/2010	01/11/2016
MSR110154	Kohler Company, Hattiesburg Engine Plant	GP-Baseline	01/11/2016	10/31/2020
MSR110154	Kohler Company, Hattiesburg Engine Plant	GP-Baseline	05/24/2021	05/08/2024
MSR110154	Discovery Energy LLC, Engine Plant Number 1	GP-Baseline	05/08/2024	11/30/2025
MSR103708	Kohler Company, Hattiesburg Engine Plant	GP-Construction	07/11/2005	05/31/2010
MSR110154	Kohler Company, Hattiesburg Engine Plant	GP-Sara Title III	12/09/1997	11/27/2000
MSR000003830	Kohler Company, Hattiesburg Engine Plant	Hazardous Waste-EPA ID	03/09/1998
MSP091358	Kohler Company, Hattiesburg Engine Plant	Water-Pretreatment	07/03/1997	07/01/2002
MSP091358	Kohler Company, Hattiesburg Engine Plant	Water-Pretreatment	03/31/2004	02/28/2009
MSP091358	Kohler Company, Hattiesburg Engine Plant	Water-Pretreatment	05/12/2009	02/28/2014
MSU213014	Kohler Company, Hattiesburg Engine Plant	Water-SOP	02/28/2014	01/31/2019
MSU213014	Kohler Company, Hattiesburg Engine Plant	Water-SOP	09/10/2018	08/31/2023
MSU213014	Kohler Company, Hattiesburg Engine Plant	Water-SOP	09/01/2023	05/08/2024
MSU213014	Discovery Energy LLC, Engine Plant Number 1	Water-SOP	05/08/2024	08/31/2028

Office of Pollution Control Contacts

Name	Assignment	Phone Number
Pilgrim, Kenneth	Office of Pollution Control Air Compliance Manager	(601) 961-5368
Johnson, Brandon	Office of Pollution Control Air Compliance Staff	(601) 961-5075
Valchanova, Ivelina	Office of Pollution Control Air Permit Manager	(601) 961-5333
Valchanova, Ivelina	Office of Pollution Control Air Permit Staff	(601) 961-5333
Caron, Krista	Office of Pollution Control Hazardous Waste Manager	(601) 961-5719
Beasley, Sara	Office of Pollution Control Stormwater Compliance Manager	(601) 961-5283
Robinson, Ewan	Office of Pollution Control Stormwater Compliance Staff	601-961-5056
Griffith, Michael	Office of Pollution Control Water Compliance Manager	(601) 961-5559
Griffith, Michael	Office of Pollution Control Water Compliance Staff	(601) 961-5559
Simonson, Becky	Office of Pollution Control Water Permit Manager	(601) 961-5580
Cress, Carter	Office of Pollution Control Water Permit Staff	(601) 961-5713

Active Permits Available Online

Permit Type	Permit Number	Issue Date	Permit Document
Air - SMOP Admin Mod	0800-00092	06/18/2024
Water - State Operating Permit Admin Mod	MSU213014	05/08/2024

Active Coverages Available Online

Permit Type	Permit Number	Issue Date	Permit Document
General Permit - Baseline Administrative Modification	MSR110154	05/08/2024

Current Status of Individual Permit Applications

Program	Permit Type	Permit Number	Status Date	Status Desc.
Air	Construction Permit	0800-00092	12/17/2018	Application Withdrawn
Air	SMOP Admin Mod	0800-00092	06/24/2024	Send Name Change / Transfer Approval Letter
Air	Title V Renewal	0800-00092	08/03/2020	Application Withdrawn
Water	Pretreatment ADMIN	MSP091358	02/28/2014	Revoke Permit
Water	State Operating Permit Admin Mod	MSU213014	05/09/2024	Send Name Change / Transfer Approval Letter

Current Status of General Permit Applications

Program	Permit Type	Permit Number	Status Date	Status Desc.
General Permit	Baseline Administrative Modification	MSR110154	05/09/2024	Send Name Change / Transfer Approval Letter
General Permit	Construction Coverage	MSR103708	01/27/2009	Coverage Terminated
General Permit	Sara III Coverage	MSR110154	11/27/2000	Coverage Terminated

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