FRS Facility Detail Report


UNION CARBIDE CORP - ST CHARLES PLANT

EPA Registry Id: 110018861793
355 HWY 3142
HAHNVILLE, LA 70057


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:
RISK MANAGEMENT PLAN
ST. CHARLES OPERATIONS 100000094211 RMP REPORTER RMP

INTEGRATED COMPLIANCE INFORMATION SYSTEM UNION CARBIDE CORPORATION TAFT STAR COMPLEX 34943 FORMAL ENFORCEMENT ACTION ICIS 04/16/2003 ICIS-06-1996-0006
FORMAL ENFORCEMENT ACTION
ICIS-06-1997-0446
FORMAL ENFORCEMENT ACTION
ICIS-06-2000-1230
FORMAL ENFORCEMENT ACTION
ICIS-06-1997-0155
FORMAL ENFORCEMENT ACTION
ICIS-06-1999-0583
FORMAL ENFORCEMENT ACTION
ICIS-06-2003-3301
FORMAL ENFORCEMENT ACTION
ICIS-06-1997-0493
FORMAL ENFORCEMENT ACTION
NATIONAL COMPLIANCE DATABASE
UNION CARBIDE CORP D06#VI-689S COMPLIANCE ACTIVITY NCDB
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
ICIS-AIR (AIR)
VOPAK INDUSTRIAL INFRASTRUCTURE AMERICAS ST CHARLES LLC - VOPAK TERMINAL ST. CHA LA0000002208900186 AIR MAJOR ICIS 10/02/2024
TOXIC SUBSTANCES CONTROL ACT
UNION CARBIDE CORPORATION - TAFT PLANT 200004268 TSCA SUBMITTER TSCA 06/09/2021
LOUISIANA - TOOLS FOR ENVIRONMENTAL MANAGEMENT AND PROTECTION ORGANIZATIONS
UNION CARBIDE CORP - ST CHARLES OPERATIONS 2083 STATE MASTER LA-TEMPO

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
DOW HYDROCARBONS & RESOURCES, LLC LA0000191 ICIS-NPDES MAJOR ICIS 05/04/2022 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
UNION CARBIDE CORPORATION CEDRI10081279 COMPLIANCE AND EMISSIONS REPORTING API 07/24/2025
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
UNION CARBIDE CORPORATION LAR10L385 ICIS-NPDES NON-MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
TOXIC SUBSTANCES CONTROL ACT
UNION CARBIDE CORP - ST CHARLES OPERATIONS TSCA4108 TSCA SUBMITTER TSCA 06/14/2024
EMISSION INVENTORY SYSTEM (EIS)
VOPAK INDUSTRIAL INFRASTRUCTURE AMERICAS ST CHARLES LLC - VOPAK TERMINAL ST. CHA 21461711 AIR EMISSIONS CLASSIFICATION UNKNOWN EIS 12/26/2024
NATIONAL COMPLIANCE DATABASE
UNION CARBIDE CORP D06#VI-663S COMPLIANCE ACTIVITY NCDB
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
ICIS-AIR (AIR)
KANEB PIPE LINE OPERATING PARTNERSHIP LP - DOW CHEMICAL TAFT AMMONIA TERMINAL LA0000002208900097 AIR MINOR ICIS 07/05/2018
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
DOW HYDROCARBONS & RESOURCES LLC - PSSB AND SSB1 BASIN CLOSURE LAR10Q220 ICIS-NPDES NON-MAJOR ICIS

NATIONAL COMPLIANCE DATABASE
UNION CARBIDE CORP (HAHNVILLE) D06#VI-360C-T COMPLIANCE ACTIVITY NCDB
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
LOUISIANA - TOOLS FOR ENVIRONMENTAL MANAGEMENT AND PROTECTION ORGANIZATIONS
KANEB PIPE LINE OPERATING PARTNERSHIP LP - DOW CHEMICAL TAFT AMMONIA TERMINAL 121058 STATE MASTER LA-TEMPO

NATIONAL COMPLIANCE DATABASE
UNION CARBIDE - HANVILLE I06#1986061851022 1 COMPLIANCE ACTIVITY NCDB
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL COMPLIANCE DATABASE
UNION CARBIDE I06#1999081216935 1 COMPLIANCE ACTIVITY NCDB
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
AIR FACILITY SYSTEM
KANEB PIPE LINE OPERATING PARTNERSHIP LP 2208900097 AIR MINOR (OPERATING) AIRS/AFS 02/06/2014
EMISSION INVENTORY SYSTEM (EIS)
UNION CARBIDE CORP - ST CHARLES OPERATIONS 7202911 HAZARDOUS AIR POLLUTANT MAJOR EIS 12/19/2024
ICIS-AIR (AIR)
UNION CARBIDE CORP - ST CHARLES OPERATIONS LA0000002208900001 AIR MAJOR ICIS 02/04/2021
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
DOW HYDROCARBONS & RESOURCES LLC - PSSB AND SSB1 BASIN CLOSURE LAR10Q220 STORM WATER CONSTRUCTION ICIS

TOXICS RELEASE INVENTORY SYSTEM
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP 70057NNCRBHWY31 TRI REPORTER TRIS 06/23/2025 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
TOXIC SUBSTANCES CONTROL ACT
DOW CHEMICAL TSCA10020276 TSCA SUBMITTER API 11/21/2017
AIR FACILITY SYSTEM
UNION CARBIDE CORP - ST CHARLES OPERATIO 2208900001 AIR MAJOR (OPERATING) AIRS/AFS 07/25/2014 ICIS-06-2014-3303
FORMAL ENFORCEMENT ACTION
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
UNION CARBIDE CORPORATION LAR10L385 STORM WATER CONSTRUCTION ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
UNION CARBIDE CORPORATION, ST. CHARLES OPERATIONS LAD041581422 LQG (Y) RCRAINFO
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
INTEGRATED COMPLIANCE INFORMATION SYSTEM UNION CARBIDE CORPORATION TAFT STAR COMPLEX 34943 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 02/04/2010 ICIS-06-1996-0006
FORMAL ENFORCEMENT ACTION
ICIS-06-1997-0446
FORMAL ENFORCEMENT ACTION
ICIS-06-1997-0155
FORMAL ENFORCEMENT ACTION
ICIS-06-1999-0583
FORMAL ENFORCEMENT ACTION
ICIS-06-2003-3301
FORMAL ENFORCEMENT ACTION
ICIS-06-1997-0493
FORMAL ENFORCEMENT ACTION
ICIS-06-2000-1230
FORMAL ENFORCEMENT ACTION
INTEGRATED COMPLIANCE INFORMATION SYSTEM ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP 3601174255 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 03/11/2020
TOXIC SUBSTANCES CONTROL ACT
UNION CARBIDE CORP - ST CHARLES OPERATIONS 100608442 TSCA SUBMITTER TSCA 05/26/2023
ICIS-AIR (AIR)
DOW INFRACO LLC - ST CHARLES OPERATIONS LA0000002208900189 AIR MAJOR ICIS 02/14/2025
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
UNION CARBIDE CORPORATION, ST. CHARLES OPERATIONS LAD041581422 TSD (Y) RCRAINFO
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
ELECTRONIC GREENHOUSE GAS REPORTING TOOL (E-GGRT)
ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP 1007031 GREENHOUSE GAS REPORTER E-GGRT

EMISSION INVENTORY SYSTEM (EIS)
DOW INFRACO LLC - ST CHARLES OPERATIONS 21966611 AIR EMISSIONS CLASSIFICATION UNKNOWN EIS 12/26/2024

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
NPDES
2869
INDUSTRIAL ORGANIC CHEMICALS, NOT ELSEWHERE CLASSIFIED

AIR
4619
PIPELINES, NOT ELSEWHERE CLASSIFIED

NPDES
2869
INDUSTRIAL ORGANIC CHEMICALS, NOT ELSEWHERE CLASSIFIED

AIR
2869
INDUSTRIAL ORGANIC CHEMICALS, NOT ELSEWHERE CLASSIFIED

NCDB
2822
SYNTHETIC RUBBER (VULCANIZABLE ELASTOMERS)

AIRS/AFS
2869
INDUSTRIAL ORGANIC CHEMICALS, NOT ELSEWHERE CLASSIFIED

AIRS/AFS
4619
PIPELINES, NOT ELSEWHERE CLASSIFIED

NCDB
2822
SYNTHETIC RUBBER (VULCANIZABLE ELASTOMERS)

Facility Codes and Flags

EPA Region: 06
Duns Number: 5005483, 000000000, 117063457, 1289008
Congressional District Number: 02
Legislative District Number:
HUC Code/Watershed: 08090301 / EAST CENTRAL LOUISIANA COASTAL
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
KANEB PIPE LINE OPERATING PARTNERSHIP LP - DOW CHEMICAL TAFT AMMONIA TERMINAL FRS
KANEB PIPE LINE OPERATING PARTNERSHIP LP AIRS/AFS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
PARENT COMPANY 2
THE DOW CHEMICAL COMPANY
RMP


PARENT COMPANY 1
UNION CARBIDE CORPORATION 1289008
RMP


PARENT OWNER
DOW INC
E-GGRT


OWNER
UNION CARBIDE CORPORATION
RCRAINFO
View
OWNER
UNION CARBIDE CORPORATION
TSCA


PARENT COMPANY
DOW INC 117063457
TRIS


PARENT OWNER
THE DOW CHEMICAL COMPANY
E-GGRT


OWNER
UNION CARBIDE CORPORATION
NPDES
View
PARENT OWNER
DOW CHEMICAL 5005483
E-GGRT


MAILING ADDRESS
UNION CARBIDE CORPORATION 5005483
NPDES
View
PARENT COMPANY
THE DOW CHEMICAL COMPANY 1289008
E-GGRT


OWNER
UNION CARBIDE CORPORATION 5005483
NPDES
View
MAILING ADDRESS
UNION CARBIDE CORPORATION
NPDES
View
OPERATOR
UNION CARBIDE CORPORATION
RCRAINFO
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
RMP 32511 PETROCHEMICAL MANUFACTURING
TRIS 325199 ALL OTHER BASIC ORGANIC CHEMICAL MANUFACTURING.
RMP 325211 PLASTICS MATERIAL AND RESIN MANUFACTURING.
AIR 211111 CRUDE PETROLEUM AND NATURAL GAS EXTRACTION.
RMP 325199 ALL OTHER BASIC ORGANIC CHEMICAL MANUFACTURING.
RCRAINFO 325199 ALL OTHER BASIC ORGANIC CHEMICAL MANUFACTURING.
TRIS 325211 PLASTICS MATERIAL AND RESIN MANUFACTURING.
EIS 325199 ALL OTHER BASIC ORGANIC CHEMICAL MANUFACTURING.
AIR 486990 ALL OTHER PIPELINE TRANSPORTATION.
AIRS/AFS 211111 CRUDE PETROLEUM AND NATURAL GAS EXTRACTION.
RCRAINFO 325211 PLASTICS MATERIAL AND RESIN MANUFACTURING.
EIS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
EIS 493190 OTHER WAREHOUSING AND STORAGE.
AIRS/AFS 325110 PETROCHEMICAL MANUFACTURING.
AIR 325110 PETROCHEMICAL MANUFACTURING.
E-GGRT 325211 PLASTICS MATERIAL AND RESIN MANUFACTURING.
AIR 325199 ALL OTHER BASIC ORGANIC CHEMICAL MANUFACTURING.
AIR 493190 OTHER WAREHOUSING AND STORAGE.
E-GGRT 325199 ALL OTHER BASIC ORGANIC CHEMICAL MANUFACTURING.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
MAILING ADDRESS P.O. BOX 50 HAHNVILLE LA 70057 NPDES
OWNER/OPERATOR LA. HIGHWAYS 18 AND 3142 HAHNVILLE LA 70057 RMP
MAILING ADDRESS PO BOX 50 GARDENA CA 90247 TRIS
FACILITY MAILING ADDRESS PO BOX 50 HAHNVILLE LA 700570050 AIR
OWNER 355 HWY 3142(GATE1) HAHNVILLE LA 70057 RCRAINFO
FACILITY MAILING ADDRESS 355 LA HWY 3142 (GATE 1) HAHNVILLE LA 70057 RCRAINFO
OWNER P. O. BOX 50 HAHNVILLE LA 70057 NPDES
REGULATORY CONTACT 355 LA HWY 3142 (GATE 1) HAHNVILLE LA 70057 RCRAINFO
OPERATOR 355 LA HWY 3142 (GATE 1) HAHNVILLE LA 70057 RCRAINFO
FACILITY MAILING ADDRESS PO BOX 50 HAHNVILLE LA 700570050 AIRS/AFS

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
TECHNICAL CONTACT
DR. IMOGENE TREBLE


TSCA


TECHNICAL CONTACT
RANDALL D. RIDDICK
9857834978
TRIS


PUBLIC CONTACT
ASHLEY E MENDOZA
2253157132
TRIS


Query executed on: OCT-14-2025


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