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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.

Gulf Coast Shipyard Group

General Information

AI IDBranchSICCountyBasinStartEnd
3166Metal and Metal Fabricators3731HarrisonCoastal Streams09/03/1994 


Physical and Mailing Address

Physical Address (Primary)Mailing Address
13085 Industrial Seaway Road
Gulfport, MS 39503
13085 Industrial Seaway Road
Gulfport, MS 39503


Permits and Alternate/Historic AI Identifiers

Alt IDAlt NameAlt TypeStart DateEnd Date
102000027Trinity Yachts, LLCAir-Construction07/13/2006 
3166Trinity Yacht Property 1st floor officeAir-Notification12/03/2014 
102000027Trinity Yachts, LLCAir-Synthetic Minor Operating 07/13/200606/30/2011
102000027Trinity Yachts LLCAir-Synthetic Minor Operating 08/23/201103/20/2014
102000027Gulf Coast Shipyard GroupAir-Synthetic Minor Operating 03/20/201409/02/2015
102000027Friede Goldman HalterAir-Title V Operating01/13/199901/12/2004
102000027VT Halter Marine, Gulfport OperationsAir-Title V Operating11/24/200412/28/2005
102000027Trinity Yachts LLCAir-Title V Operating12/29/200507/13/2006
102000027Gulf Coast Shipyard GroupAir-Title V Operating09/02/201508/31/2020
MSR110131Friede Goldman HalterGP-Baseline01/02/200104/16/2004
MSR110131VT Halter Marine, Gulfport OperationsGP-Baseline04/16/200409/11/2005
MSR110131Trinity Yachts LLCGP-Baseline05/25/200612/16/2010
MSR110131Trinity Yachts, LLC.GP-Baseline12/16/201003/20/2014
MSR110131Gulf Coast Shipyard GroupGP-Baseline03/20/201409/28/2015
MSR110131Gulf Coast Shipyard GroupGP-Baseline01/04/201610/31/2020
MSR106247Maritime Development Center, Trinity Yachts, LLCGP-Construction09/25/201203/20/2014
MSR106247Maritime Development Center, Gulf Coast Shipyard GroupGP-Construction03/20/201412/31/2015
MSR110131Friede Goldman HalterGP-Sara Title III09/03/199401/01/2001
MSD054176052Friede Goldman HalterHazardous Waste-EPA ID05/19/200012/02/2003
MSD054176052VT Halter Marine, Gulfport OperationsHazardous Waste-EPA ID12/02/200301/03/2006
MSD054176052Trinity Yachts LLCHazardous Waste-EPA ID01/03/200604/14/2014
MSD054176052Gulf Coast Shipyard GroupHazardous Waste-EPA ID04/14/2014 
WQC2006094Trinity Yachts, LLC, Syncholift Launching System, ExcavationWQC Number11/17/2006 
WQC2012009Trinity Yachts LLC, Maritime Development CenterWQC Number10/15/2012 
WQC2013002Trinity Yachts LLC, Syncrolift Expansion Project WQC Number06/11/2013 


Office of Pollution Control Contacts

NameAssignmentPhone Number
Yassin, MohammadOffice of Pollution Control Compliance Manager(601) 961-5195
Rupp, Megan Office of Pollution Control Compliance Staff(601)961-5312
Nester, BeckyOffice of Pollution Control Permit Manager(601) 961-5580
Hill, AustinOffice of Pollution Control Permit Writer(601) 961-5206


Active Permits Available Online

Permit TypePermit NumberIssue DatePermit Document
Air - Title V1020-0002709/02/2015 click for document


Active Coverages Available Online

Permit TypePermit NumberIssue DatePermit Document
General Permit - Baseline RecoverageMSR11013101/04/2016 click for document
General Permit - Construction Administrative ModificationMSR10624703/20/2014 click for document


Current Status of Individual Permit Applications

ProgramPermit TypePermit NumberStatus DateStatus Desc.
AirConstruction Permit1020-0002707/13/2006Permit Issued
AirSMOP Admin Mod1020-0002709/02/2015Revoke Permit
AirTitle V1020-0002709/02/2015Permit Issued


Current Status of General Permit Applications

ProgramPermit TypePermit NumberStatus DateStatus Desc.PDF
General PermitBaseline RecoverageMSR11013101/04/2016Coverage Issued click for document
General PermitConstruction RecoverageMSR10624704/07/2017Application Withdrawn click for document
General PermitSara III CoverageMSR11013101/02/2001Coverage Terminated


Current Status of Water Quality Certification

ProgramTypeCert No.Status DateStatus Desc.
Water Quality401 CertificationWQC201300206/11/2013Technical Review Complete - Draft Certification Preparation in Progress

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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.