FRS Facility Detail Report


THOMA-SEA MARINE CONSTRUCTORS LLC - HOUMA FACILITY

EPA Registry Id: 110027225483
1874 INDUSTRIAL BLVD
HOUMA, LA 70363


The facility locations displayed
come from the FRS Spatial
Coordinates tables. They are the
best representative locations for
the displayed facilities based on
the accuracy of the collection
method and quality assurance
checks performed against each
location. The North American
Datum of 1983 is used to display
all coordinates.

Environmental Interests

Information System System Facility Name Information System Id/Report Link Environmental Interest Type Data Source Last Updated Date Supplemental Environmental Interests:
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION INFORMATION SYSTEM
THOMA-SEA MARINE CONTRACTORS, LLC. 338812431 OSHA ESTABLISHMENT OSHA-OIS 09/12/2018
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION INFORMATION SYSTEM
THOMA SEA MARINE CONSTRUCTORS, LLC 339128373 OSHA ESTABLISHMENT OSHA-OIS 09/12/2018
AIR FACILITY SYSTEM
THOMA-SEA MARINE CONSTRUCTORS LLC - WEST 2210900367 AIR MINOR (OPERATING) AIRS/AFS 02/06/2014
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
THOMA-SEA BOAT BUILDERS,INC. LAR05N843 STORM WATER INDUSTRIAL ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
WEST YARD LAG532193 ICIS-NPDES NON-MAJOR ICIS 08/30/2013 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
LOUISIANA - TOOLS FOR ENVIRONMENTAL MANAGEMENT AND PROTECTION ORGANIZATIONS
THOMA-SEA BOAT BUILDERS INC - WEST YARD 140410 STATE MASTER LA-TEMPO

RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
THOMA-SEA MARINE CONSTRUCTORS LLC - HOUMA FACILITY LAR000062372 LQG (Y) RCRAINFO

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
THOMA-SEA BOAT BUILDERS,INC. LAR05N843 ICIS-NPDES NON-MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
ICIS-AIR (AIR)
THOMA-SEA MARINE CONSTRUCTORS LLC - HOUMA FACILITY LA0000002210900367 AIR MINOR ICIS 10/10/2017
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
THOMAS-SEA MARINE CONSTRUCTORS LLC - HOUMA YARD LAG030065 ICIS-NPDES NON-MAJOR ICIS 09/19/2024 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIRS/AFS
3731
SHIP BUILDING AND REPAIRING

AIR
3731
SHIP BUILDING AND REPAIRING

NPDES
3731
SHIP BUILDING AND REPAIRING

NPDES
3731
SHIP BUILDING AND REPAIRING

Facility Codes and Flags

EPA Region: 06
Duns Number:
Congressional District Number: 01
Legislative District Number: SE
HUC Code/Watershed: 08090302 / WEST CENTRAL LOUISIANA COASTAL
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
THOMA-SEA BOAT BUILDERS INC FRS
THOMA-SEA BOAT BUILDERS INC - WEST YARD LA-TEMPO
THOMA-SEA MARINE CONSTRUCTORS LLC - WEST AIR

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
MAILING ADDRESS
THOMA-SEA BOAT BUILDERS
NPDES
View
OPERATOR
THOMA-SEA MARINE CONSTRUCTORS, LLC
RCRAINFO


MAILING ADDRESS
THOMAS-SEA BOAT
NPDES
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
OSHA-OIS 336612 BOAT BUILDING.
AIR 336611 SHIP BUILDING AND REPAIRING.
RCRAINFO 336611 SHIP BUILDING AND REPAIRING.
AIR 211111 CRUDE PETROLEUM AND NATURAL GAS EXTRACTION.
OSHA-OIS 336612 BOAT BUILDING.
AIRS/AFS 211111 CRUDE PETROLEUM AND NATURAL GAS EXTRACTION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
MAILING ADDRESS BUILDERS, INC. BOURG LA 70343 NPDES
MAILING ADDRESS PO BOX 53 BOURG LA 70343 NPDES

Contacts

No Contacts returned.

Query executed on: OCT-14-2025