EmissionsLookup
Non-Compliance TRI Reporter Clean Air Act Clean Water Act RCRA

UNION CARBIDE CORP -SO CHARLESTON FAC.

Quick Summary

  • •Released 27,661 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
  • •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
  • •Assessed $0 in total penalties since records began.
  • •Reports releases of chemicals classified as known or probable carcinogens.
Address
437 MACCORKLE AVE
SOUTH CHARLESTON, WV 25303
View on map ↗
County
KANAWHA County
Industry
Manufacturing
NAICS (North American Industry Classification)
325199
Inspections
8 · last Sep 18, 2025
Total Penalties
$0 · last Jun 27, 2012
Registry ID
110000745114

How This Compares

#41 of 158 TRI reporters in WV
#2,361 of 16,877 TRI reporters in Manufacturing

Ranked by most recent year's total TRI releases.

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

0
Air (CAA)
Qtrs Non-Compliant
12
Water (CWA)
Qtrs Non-Compliant
1
Hazardous Waste (RCRA)
Qtrs Non-Compliant

TRI Toxic Chemical Releases

Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.

Emissions Trend (2015–2024) -38% overall
Year Total Releases (lbs) vs Prior Year
2015 32,414 —
2016 32,088 -1%
2017 27,661 -14%
2018 27,145 -2%
2019 8,418 -69%
2020 32,699 +288%
2021 46,323 +42%
2022 35,033 -24%
2023 21,606 -38%
2024 20,185 -7%

2024

Chemical Total (lbs) Air Water Land Off-Site
Ammonia — — — — 34
Acrylic acid — — — — —
Sodium nitrite — — — — 79
n-Butyl alcohol 12,212 12,212 — — 47,154
Propylene oxide 3,609 3,609 — — 1 ♦ Carcinogen
Allyl alcohol 2,618 2,618 — — —
Benzyl chloride 943 943 — — 3,571
Ethylene glycol 332 332 — — 25,329
Ethylene oxide 286 286 — — 92 ♦ Carcinogen
Certain glycol ethers 102 102 — — 12,698
Cresol (mixed isomers) 83 83 — — 5,092

2023

Chemical Total (lbs) Air Water Land Off-Site
Acrylic acid — — — — —
Sodium nitrite — — — — 38
Ammonia — — — — —
n-Butyl alcohol 14,377 14,377 — — 47,004
Propylene oxide 3,147 3,147 — — — ♦ Carcinogen
Allyl alcohol 2,658 2,658 — — —
Benzyl chloride 829 829 — — 2,574
Ethylene glycol 251 251 — — 621
Ethylene oxide 194 194 — — 45 ♦ Carcinogen
Certain glycol ethers 80 80 — — 110
Cresol (mixed isomers) 70 70 — — 490

2022

Chemical Total (lbs) Air Water Land Off-Site
Acrylic acid — — — — —
Sodium nitrite — — — — 109
n-Butyl alcohol 15,499 15,499 — — 53,482
Nonylphenol Ethoxylates 7,205 7,205 — — 1,629
Propylene oxide 3,589 3,589 — — 246 ♦ Carcinogen
Allyl alcohol 2,934 2,934 — — —
Certain glycol ethers 2,164 2,164 — — 95
Benzyl chloride 1,797 1,797 — — 2,910
Ammonia 1,328 1,328 — — 87
Ethylene oxide 241 241 — — 47 ♦ Carcinogen
Ethylene glycol 194 194 — — 369
Cresol (mixed isomers) 82 82 — — 27

2021

Chemical Total (lbs) Air Water Land Off-Site
Sodium nitrite — — — — 237
Acrylic acid — — — — —
n-Butyl alcohol 24,021 24,021 — — 137,291
Nonylphenol Ethoxylates 8,881 8,881 — — 40
Propylene oxide 3,530 3,530 — — 110 ♦ Carcinogen
Allyl alcohol 2,942 2,942 — — —
Certain glycol ethers 2,156 2,156 — — 227
Ammonia 2,101 2,101 — — 751
Benzyl chloride 1,894 1,894 — — 3,846
Ethylene glycol 451 451 — — 1,164
Ethylene oxide 250 250 — — 289 ♦ Carcinogen
Cresol (mixed isomers) 97 97 — — 5,127

2020

Chemical Total (lbs) Air Water Land Off-Site
Sodium nitrite — — — — 2,873
Acrylic acid — — — — —
n-Butyl alcohol 13,424 13,424 — — 36,043
Nonylphenol Ethoxylates 7,386 7,386 — — 875
Allyl alcohol 3,000 3,000 — — —
Propylene oxide 2,879 2,879 — — — ♦ Carcinogen
Certain glycol ethers 2,194 2,194 — — 8,791
Benzyl chloride 2,074 2,074 — — 3,356
Ammonia 1,115 1,115 — — 99
Ethylene oxide 331 331 — — 72 ♦ Carcinogen
Ethylene glycol 197 197 — — 2,996
Cresol (mixed isomers) 99 99 — — 5,266

2019

Chemical Total (lbs) Air Water Land Off-Site
Propylene oxide 5,365 5,365 — — — ♦ Carcinogen
Certain glycol ethers 2,182 2,182 — — 34,210
Ethylene oxide 756 756 — — — ♦ Carcinogen
Cresol (mixed isomers) 115 115 — — 4,826

2018

Chemical Total (lbs) Air Water Land Off-Site
Sodium nitrite — — — — 378
Acrylic acid — — — — —
n-Butyl alcohol 11,038 11,038 — — 14,479
Propylene oxide 5,693 5,693 — — — ♦ Carcinogen
Allyl alcohol 2,796 2,796 — — —
Certain glycol ethers 2,305 2,305 — — 843
Ammonia 2,162 2,162 — — 8,881
Benzyl chloride 1,971 1,971 — — —
Ethylene oxide 776 776 — — — ♦ Carcinogen
Ethylene glycol 272 272 — — 3,886
Cresol (mixed isomers) 132 132 — — 4,291

2017

Chemical Total (lbs) Air Water Land Off-Site
Acrylic acid — — — — —
Sodium nitrite — — — — 4,262
Nonylphenol — — — — —
n-Butyl alcohol 10,564 10,564 — — 12,928
Propylene oxide 5,826 5,826 — — — ♦ Carcinogen
Allyl alcohol 3,495 3,495 — — —
Certain glycol ethers 2,296 2,296 — — 733
Ammonia 2,226 2,226 — — 7,512
Benzyl chloride 1,961 1,961 — — —
Ethylene oxide 710 710 — — — ♦ Carcinogen
Cresol (mixed isomers) 330 330 — — 15,200
Ethylene glycol 253 253 — — 3,300

2016

Chemical Total (lbs) Air Water Land Off-Site
Acrylic acid — — — — —
Sodium nitrite — — — — 7,606
Nonylphenol — — — — —
n-Butyl alcohol 10,482 10,482 — — 12,536
Propylene oxide 5,666 5,666 — — — ♦ Carcinogen
Benzyl chloride 5,245 5,245 — — 853
Allyl alcohol 3,322 3,322 — — —
Ammonia 2,953 2,953 — — 23,863
Certain glycol ethers 2,270 2,270 — — 38,646
Ethylene oxide 1,385 1,385 — — — ♦ Carcinogen
Ethylene glycol 600 600 — — 6,009
Cresol (mixed isomers) 165 165 — — 15,265

2015

Chemical Total (lbs) Air Water Land Off-Site
Acrylic acid — — — — —
Nonylphenol — — — — —
n-Butyl alcohol 10,937 10,937 — — 12,065
Propylene oxide 6,305 6,305 — — 1 ♦ Carcinogen
Benzyl chloride 5,127 5,127 — — 824
Allyl alcohol 2,862 2,862 — — 115
Ammonia 2,494 2,494 — — 16,618
Certain glycol ethers 2,421 2,421 — — 42,909
Ethylene oxide 1,397 1,397 — — — ♦ Carcinogen
Ethylene glycol 705 705 — — 40,286
Cresol (mixed isomers) 165 165 — — 4,506
Sodium nitrite 1 1 — — 3,522

Waste Management & Recycling

How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.

Chemical Released Recycled Energy Recovery Treated
Certain glycol ethers — — — 12,097
Benzyl chloride — — — 2,613
Ethylene glycol — — 19 1,246
Ethylene oxide — — 2 132
Cresol (mixed isomers) — — — 4,574
n-Butyl alcohol — — 243 43,159
Propylene oxide — — 787 26
Ammonia — — — 34

Off-Site Transfer Destinations

Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.

Destination Chemical Disposal Recycling Energy Rec. Treatment
VEOLIA ES - WEST CARROLLTON_OH
WEST CARROLLTON, OH
Propylene oxide — — — —
VEOLIA ES TECHNICAL SOLUTIONS LLC - PORT ARTHUR_TX
BEAUMONT, TX
Propylene oxide — — — —
MIDLAND_THE DOW CHEMICAL COMPANY
MIDLAND, MI
Propylene oxide — — — —
VEOLIA ES - WEST CARROLLTON_OH
WEST CARROLLTON, OH
Cresol (mixed isomers) — — — —
VEOLIA ES TECHNICAL SOLUTIONS LLC - PORT ARTHUR_TX
BEAUMONT, TX
Cresol (mixed isomers) — — — —
WASTE MANAGEMENT DISPOSAL SERVICES INC - HURRICANE_WV
HURRICANE, WV
Cresol (mixed isomers) 112 — — —
NORTHWESTERN LANDFILL - PARKERSBURG_WV
PARKERSBURG, WV
Cresol (mixed isomers) 5 — — —
CLEAN HARBORS ARAGONITE LLC - ARAGONITE_UT
ARAGONITE, UT
Ethylene oxide — — — —
VEOLIA ES - SAUGET_IL
SAUGET, IL
Ethylene oxide — — — —
VEOLIA ES - WEST CARROLLTON_OH
WEST CARROLLTON, OH
Ethylene oxide — — — —
VEOLIA ES TECHNICAL SOLUTIONS LLC - PORT ARTHUR_TX
BEAUMONT, TX
Ethylene oxide — — — —
MIDLAND_THE DOW CHEMICAL COMPANY
MIDLAND, MI
Ethylene oxide — — — —
VEOLIA ES - WEST CARROLLTON_OH
WEST CARROLLTON, OH
Certain glycol ethers — — — 147
PETRO CHEMICAL PROCESSING GROUP OF NORTRU INC - DETROIT_MI
DETROIT, MI
Certain glycol ethers — — — 55
MIDLAND_THE DOW CHEMICAL COMPANY
MIDLAND, MI
Certain glycol ethers — — — 4,985
CLEAN HARBORS ARAGONITE LLC - ARAGONITE_UT
ARAGONITE, UT
Ethylene glycol — — — —
VEOLIA ES - WEST CARROLLTON_OH
WEST CARROLLTON, OH
Ethylene glycol — — — 2
VEOLIA ES TECHNICAL SOLUTIONS LLC - PORT ARTHUR_TX
BEAUMONT, TX
Ethylene glycol — — — 9
MIDLAND_THE DOW CHEMICAL COMPANY
MIDLAND, MI
Ethylene glycol — — — 4
VALICOR OIL SERVICES LLC - MIDDLETOWN_OH
MIDDLETOWN, OH
Ethylene glycol 23,957 — — —
PETRO CHEMICAL PROCESSING GROUP OF NORTRU INC - DETROIT_MI
DETROIT, MI
n-Butyl alcohol — — 64 —
VEOLIA ES - WEST CARROLLTON_OH
WEST CARROLLTON, OH
n-Butyl alcohol — — — —
WASTE MANAGEMENT DISPOSAL SERVICES INC - HURRICANE_WV
HURRICANE, WV
n-Butyl alcohol — — — —
MIDLAND_THE DOW CHEMICAL COMPANY
MIDLAND, MI
n-Butyl alcohol — — — 5
NORTHWESTERN LANDFILL - PARKERSBURG_WV
PARKERSBURG, WV
n-Butyl alcohol — — — —
VEOLIA ES - WEST CARROLLTON_OH
WEST CARROLLTON, OH
Benzyl chloride — — — 1
VEOLIA ES - WEST CARROLLTON_OH
WEST CARROLLTON, OH
Ammonia — — — —
VEOLIA ES TECHNICAL SOLUTIONS LLC - PORT ARTHUR_TX
BEAUMONT, TX
Ammonia — — — —
MIDLAND_THE DOW CHEMICAL COMPANY
MIDLAND, MI
Ammonia — — — 34
VEOLIA ES - WEST CARROLLTON_OH
WEST CARROLLTON, OH
Allyl alcohol — — — —

Transfers to Publicly-Owned Treatment Works (POTWs)

Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.

Chemical Transferred (lbs) POTW
Sodium nitrite 79 SOUTH CHARLESTON SEWAGE TREATMENT COMPANY - SOUTH CHARLESTO, SOUTH CHARLESTON
Propylene oxide — SOUTH CHARLESTON SEWAGE TREATMENT COMPANY - SOUTH CHARLESTO, SOUTH CHARLESTON
Ethylene oxide 90 SOUTH CHARLESTON SEWAGE TREATMENT COMPANY - SOUTH CHARLESTO, SOUTH CHARLESTON
Allyl alcohol — SOUTH CHARLESTON SEWAGE TREATMENT COMPANY - SOUTH CHARLESTO, SOUTH CHARLESTON
Ethylene glycol 1,338 SOUTH CHARLESTON SEWAGE TREATMENT COMPANY - SOUTH CHARLESTO, SOUTH CHARLESTON
Cresol (mixed isomers) 4,972 SOUTH CHARLESTON SEWAGE TREATMENT COMPANY - SOUTH CHARLESTO, SOUTH CHARLESTON
Benzyl chloride 3,570 SOUTH CHARLESTON SEWAGE TREATMENT COMPANY - SOUTH CHARLESTO, SOUTH CHARLESTON
Ammonia — SOUTH CHARLESTON SEWAGE TREATMENT COMPANY - SOUTH CHARLESTO, SOUTH CHARLESTON
Certain glycol ethers 7,511 SOUTH CHARLESTON SEWAGE TREATMENT COMPANY - SOUTH CHARLESTO, SOUTH CHARLESTON
n-Butyl alcohol 46,905 SOUTH CHARLESTON SEWAGE TREATMENT COMPANY - SOUTH CHARLESTO, SOUTH CHARLESTON

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program Type Violation Date Return to Compliance Status
cwa Management Practice Violations - Best Management Practice Deficiencies Sep 18, 2025 — Open
cwa Management Practice Violations - Violation of a milestone in an order Sep 18, 2025 — Open
rcra Standards Applicable to Generators of HW: General Aug 19, 2025 Aug 19, 2025 Resolved
cwa Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) Jul 27, 2023 — Open
cwa Effluent Violations - Narrative Effluent Violation Jul 27, 2023 — Open
cwa Management Practice Violations - Violation of a milestone in an order Jul 27, 2023 — Open
cwa Monitoring Violations - Analysis not Conducted May 4, 2021 — Open
rcra Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators Oct 21, 2019 Dec 4, 2019 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures May 12, 2015 May 18, 2015 Resolved
cwa Schedule Event unachieved and not reported Nov 15, 2012 Feb 14, 2013 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers Sep 20, 2011 Sep 20, 2011 Resolved
rcra Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems Sep 20, 2011 Nov 14, 2011 Resolved
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Sep 12, 2007 Sep 12, 2007 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Sep 12, 2007 Sep 13, 2007 Resolved
rcra Standards Applicable to Generators of HW: General Sep 12, 2007 Sep 13, 2007 Resolved
rcra Standards Applicable to Generators of HW: General Sep 7, 2005 Sep 23, 2005 Resolved
rcra Standards for Used Oi:l Processors and Re-Refiners Jul 30, 1998 Jun 21, 2000 Resolved
rcra Standards Applicable to Generators of HW: General Jul 30, 1998 Jun 21, 2000 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Jul 30, 1998 Jun 21, 2000 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Facility Standards Jul 30, 1998 Jun 21, 2000 Resolved
rcra Standards for Owners and Operators of HW TSDs: Tank Systems Jul 30, 1998 Jun 21, 2000 Resolved
rcra Standards for Owners and Operators of HW TSDs: Waste Piles Jul 30, 1998 Jun 21, 2000 Resolved
rcra Land Disposal Restrictions: General Jul 30, 1998 Jun 21, 2000 Resolved
rcra Standards for the Management of Specific HW and Specific Types of HW Management Facilities: Hazardous Waste Burned in Boilers and Industrial Furnaces Mar 14, 1995 Apr 29, 1996 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Feb 16, 1994 Sep 22, 1994 Resolved
rcra Standards Applicable to Generators of HW: General Feb 16, 1994 Sep 22, 1994 Resolved
rcra Standards for the Management of Specific HW and Specific Types of HW Management Facilities: Hazardous Waste Burned in Boilers and Industrial Furnaces Aug 27, 1993 Sep 1, 1993 Resolved
rcra Standards for the Management of Specific HW and Specific Types of HW Management Facilities: Hazardous Waste Burned in Boilers and Industrial Furnaces Dec 2, 1992 May 12, 1995 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Jul 17, 1992 Sep 9, 1992 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Jul 24, 1991 Jul 15, 1993 Resolved
rcra Land Disposal Restrictions: General Jul 24, 1991 Jul 17, 1992 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Sep 13, 1989 Oct 10, 1989 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Jul 29, 1988 Oct 10, 1988 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Apr 30, 1987 May 13, 1987 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Apr 22, 1987 May 13, 1987 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Jan 23, 1987 May 13, 1987 Resolved
rcra Standards for Owners and Operators of HW TSDs: General Apr 5, 1985 May 13, 1987 Resolved

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant Violation Reported Limit Exceedance Period Status
Coliform, fecal general DMR, Limited - Numeric Violation 411.00 MPN/100mL 200.00 +106% Oct 2025 Open
Coliform, fecal general DMR, Limited - Numeric Violation 411.00 MPN/100mL 400.00 +3% Oct 2025 Open
Iron, total recoverable DMR, Limited - Numeric Violation 14.20 mg/L 11.40 +25% Mar 2024 Open
Coliform, fecal general DMR, Limited - Numeric Violation 2,420.00 MPN/100mL 200.00 +1,110% Dec 2023 Open
Iron, total recoverable DMR, Limited - Numeric Violation 12.60 mg/L 11.40 +11% Dec 2023 Open
Coliform, fecal general DMR, Limited - Numeric Violation 2,420.00 MPN/100mL 400.00 +505% Dec 2023 Open
Coliform, fecal general DMR, Limited - Numeric Violation 489.00 MPN/100mL 400.00 +22% Jul 2023 Open
Temp. diff. between samp. & upstrm deg. F DMR, Limited - Numeric Violation 21.00 deg F 15.00 +40% May 2023 Open
Coliform, fecal general DMR, Limited - Numeric Violation 2,420.00 MPN/100mL 400.00 +505% Nov 2022 Open
Coliform, fecal general DMR, Limited - Numeric Violation 2,420.00 MPN/100mL 200.00 +1,110% Nov 2022 Open
Temp. diff. between samp. & upstrm deg. F DMR, Limited - Numeric Violation 17.00 deg F 15.00 +13% Nov 2021 Open
Temperature, water deg. fahrenheit DMR, Limited - Numeric Violation 19.00 deg F 15.00 +27% May 2020 Open
Chlorine, total residual DMR, Limited - Numeric Violation 0.12 mg/L 0.03 +329% Apr 2017 Open
Chlorine, total residual DMR, Limited - Numeric Violation 0.12 mg/L 0.06 +111% Apr 2017 Open
Temperature, water deg. fahrenheit DMR, Limited - Numeric Violation 15.70 deg F 15.00 +5% Jan 2017 Open
Chlorine, total residual DMR, Limited - Numeric Violation 0.22 mg/L 0.03 +686% Apr 2015 Resolved
Chlorine, total residual DMR, Limited - Numeric Violation 0.22 mg/L 0.06 +286% Apr 2015 Open
Temperature, water deg. fahrenheit DMR, Limited - Numeric Violation 44.30 deg F 15.00 +195% Jan 2015 Open

Enforcement Actions

Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.

Administrative - Formal
· Case 03-1981-0222
State CWA Non Penalty AO
Clean Water Act · Case WV-9863 · Sep 1, 2020
State Administrative Order of Consent
Clean Water Act · Case WV-8192 · Oct 28, 2014
State CWA Non Penalty AO
Clean Water Act · Case WV-7872 · Jun 28, 2013
Administrative - Formal
· Case 03-2012-0179 · Jun 27, 2012
$24,183
State CWA Non Penalty AO
Clean Water Act · Case WV-7584 · Apr 6, 2012
Administrative - Formal
· Case 03-2005-0176 · May 25, 2005
$16,600
Administrative - Formal
· Case 03-1994-0108 · May 16, 1995
$195,000
Administrative - Formal
· Case 03-1994-0088 · Jan 10, 1995
$36,666
Administrative - Formal
· Case 03-1993-0481 · Jan 10, 1995
$29,000
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste) · Case RCRA-WVD005005483-000 · Jul 17, 1992
State CWA Non Penalty AO
Clean Water Act · Case WV-N00000075 · Oct 26, 1989
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-WVD005005483-004 · Sep 25, 1989
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-WVD005005483-002 · Sep 20, 1988
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-WVD005005483-001 · May 13, 1987
Administrative - Formal
· Case 03-1985-0158 · Apr 26, 1984
$3,000
Administrative - Formal
· Case 03-1986-0046 · Apr 25, 1984
$10,000
Judicial
· Case 03-1980-0035 · Jan 5, 1984

Other facilities in KANAWHA County, WV

All facilities in WV →