LYONDELL CHEMICAL - BAYPORT PLANT
Quick Summary
- •Released 226,536 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 $139,024 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
10801 CHOATE RD
PASADENA, TX 77507
View on map ↗ - County
- HARRIS County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325199
- Inspections
- 5 · last Sep 4, 2025
- Total Penalties
- $139,024 · last Dec 18, 2024
- Registry ID
- 110000463007
How This Compares
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.
Qtrs Non-Compliant
Qtrs Non-Compliant
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.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 141,500 | — |
| 2016 | 277,732 | +96% |
| 2017 | 226,536 | -18% |
| 2018 | 246,097 | +9% |
| 2019 | 16,630 | -93% |
| 2020 | 267,082 | +1506% |
| 2021 | 112,983 | -58% |
| 2022 | 238,075 | +111% |
| 2023 | 182,262 | -23% |
| 2024 | 273,740 | +50% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | — | — | — | — | 2,400 | ♦ Carcinogen |
| Propylene | 133,650 | 133,650 | — | — | 660 | |
| tert-Butyl alcohol | 100,711 | 100,711 | — | — | 2,046,237 | |
| Ethylene | 15,549 | 15,549 | — | — | — | |
| Propylene oxide | 15,147 | 15,147 | — | — | 202,184 | ♦ Carcinogen |
| Methanol | 5,569 | 5,569 | — | — | 2,001,161 | |
| Molybdenum trioxide | 3,114 | 3,114 | — | — | 36,330 | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| tert-Butyl alcohol | 75,187 | 75,187 | — | — | 1,040,766 | |
| Propylene oxide | 34,081 | 34,081 | — | — | 122,828 | ♦ Carcinogen |
| Propylene | 30,431 | 30,431 | — | — | 241 | |
| Ethylene | 19,190 | 19,190 | — | — | — | |
| Methanol | 18,821 | 18,821 | — | — | 1,579,220 | |
| Molybdenum trioxide | 4,552 | 4,552 | — | — | 14,890 | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Propylene | 136,566 | 136,566 | — | — | 480 | |
| tert-Butyl alcohol | 54,597 | 54,597 | — | — | 698,126 | |
| Propylene oxide | 20,297 | 20,297 | — | — | 21,858 | ♦ Carcinogen |
| Ethylene | 19,697 | 19,697 | — | — | — | |
| Molybdenum trioxide | 4,216 | 4,216 | — | — | 3,049 | ♦ Carcinogen |
| Methanol | 2,684 | 2,684 | — | — | 2,023,580 | |
| Acetaldehyde | 18 | 18 | — | — | 9,729 | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| tert-Butyl alcohol | 48,057 | 48,057 | — | — | 369,382 | |
| Propylene | 27,312 | 27,312 | — | — | 1 | |
| Ethylene | 16,182 | 16,182 | — | — | — | |
| Propylene oxide | 16,152 | 16,152 | — | — | 105,003 | ♦ Carcinogen |
| Methanol | 3,483 | 3,483 | — | — | 956,494 | |
| Molybdenum trioxide | 1,785 | 1,785 | — | — | 13,386 | ♦ Carcinogen |
| Acetaldehyde | 12 | 12 | — | — | 11,504 | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Propylene | 201,346 | 201,346 | — | — | — | |
| tert-Butyl alcohol | 31,234 | 31,234 | — | — | 213,014 | |
| Ethylene | 18,521 | 18,521 | — | — | — | |
| Propylene oxide | 9,811 | 9,811 | — | — | 247,642 | ♦ Carcinogen |
| Methanol | 3,094 | 3,094 | — | — | 796,795 | |
| Molybdenum trioxide | 2,861 | 2,861 | — | — | 7,419 | ♦ Carcinogen |
| Formic acid | 208 | 208 | — | — | — | |
| Acetaldehyde | 7 | 7 | — | — | 14,593 | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | 14,426 | 14,426 | — | — | 1,434,034 | |
| Molybdenum trioxide | 1,850 | 1,850 | — | — | 8,530 | ♦ Carcinogen |
| Formic acid | 341 | 341 | — | — | — | |
| Acetaldehyde | 13 | 13 | — | — | 17,599 | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Propylene | 153,910 | 153,910 | — | — | — | |
| tert-Butyl alcohol | 51,238 | 51,238 | — | — | 620,933 | |
| Propylene oxide | 19,216 | 19,216 | — | — | 179,298 | ♦ Carcinogen |
| Ethylene | 16,638 | 16,638 | — | — | — | |
| Methanol | 3,079 | 3,079 | — | — | 1,774,199 | |
| Molybdenum trioxide | 1,691 | 1,691 | — | — | 8,536 | ♦ Carcinogen |
| Formic acid | 315 | 315 | — | — | — | |
| Acetaldehyde | 10 | 10 | — | — | 16,210 | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Propylene | 132,856 | 132,856 | — | — | — | |
| tert-Butyl alcohol | 56,284 | 56,284 | — | — | 287,980 | |
| Propylene oxide | 17,883 | 17,883 | — | — | 111,480 | ♦ Carcinogen |
| Ethylene | 13,991 | 13,991 | — | — | — | |
| Methanol | 2,775 | 2,775 | — | — | 1,049,227 | |
| Molybdenum trioxide | 1,548 | 1,548 | — | — | 11,618 | ♦ Carcinogen |
| Formic acid | 1,177 | 1,177 | — | — | 248 | |
| Acetaldehyde | 22 | 22 | — | — | 9,871 | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Propylene | 138,852 | 138,852 | — | — | — | |
| tert-Butyl alcohol | 97,154 | 97,154 | — | — | 289,773 | |
| Propylene oxide | 22,923 | 22,923 | — | — | 115,745 | ♦ Carcinogen |
| Ethylene | 10,574 | 10,574 | — | — | — | |
| Methanol | 6,128 | 6,128 | — | — | 557,229 | |
| Molybdenum trioxide | 1,650 | 1,650 | — | — | 3,190 | ♦ Carcinogen |
| Formic acid | 333 | 333 | — | — | — | |
| Acetaldehyde | 118 | 118 | — | — | 8,436 | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| tert-Butyl alcohol | 91,233 | 91,233 | — | — | 274,306 | |
| Propylene oxide | 16,376 | 16,376 | — | — | 33,249 | ♦ Carcinogen |
| Propylene | 15,296 | 15,296 | — | — | — | |
| Ethylene | 10,229 | 10,229 | — | — | — | |
| Methanol | 6,040 | 6,040 | — | — | 804,058 | |
| Molybdenum trioxide | 1,934 | 1,934 | — | — | 49,967 | ♦ Carcinogen |
| Acetaldehyde | 252 | 252 | — | — | 23 | ♦ Carcinogen |
| Formic acid | 140 | 140 | — | — | — |
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 |
|---|---|---|---|---|
| Molybdenum trioxide | — | — | — | 346,131 |
| Lead | — | 2,400 | — | — |
| tert-Butyl alcohol | — | — | — | 1,961,088 |
| Ethylene | — | — | — | 1,267,352 |
| Propylene oxide | — | — | — | 323,016 |
| Methanol | — | — | — | 1,862,896 |
| Propylene | — | — | — | 1,294,227 |
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 |
|---|---|---|---|---|---|
|
CLEAN HARBORS LAPORTE
LA PORTE, TX
|
Propylene | 660 | — | — | — |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
tert-Butyl alcohol | — | — | — | 45,581 |
|
CHEMICAL RECLAMATION SERVICES AVALON FACILITY
AVALON, TX
|
tert-Butyl alcohol | — | — | — | 1,080,778 |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Propylene oxide | — | — | — | 1,944 |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Molybdenum trioxide | — | — | — | 36,330 |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Lead | — | 1,868 | — | — |
|
CLEAN HARBORS ENVIRONMENTAL SERVICES
LA PORTE, TX
|
Lead | — | 521 | — | — |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Lead | — | 11 | — | — |
|
CHEMICAL RECLAMATION SERVICES AVALON FACILITY
AVALON, TX
|
Methanol | — | — | — | 270,195 |
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 |
|---|---|---|
| Methanol | 1,730,966 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
| Propylene | 413 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
| tert-Butyl alcohol | 919,878 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
| Propylene oxide | 200,240 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
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 |
|---|---|---|---|---|
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | FRV | Sep 19, 2025 | — | Open |
| caa | FRV | Jun 10, 2025 | — | Open |
| caa | FRV | Apr 18, 2025 | — | Open |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Nov 5, 2024 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Nov 5, 2024 | Dec 16, 2024 | Resolved |
| caa | FRV | Jun 28, 2024 | — | Open |
| caa | FRV | May 12, 2023 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Feb 15, 2023 | Mar 29, 2023 | Resolved |
| caa | FRV | Mar 11, 2021 | — | Open |
| caa | FRV | Oct 16, 2020 | — | Open |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Feb 27, 2019 | May 2, 2019 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Feb 27, 2019 | Mar 18, 2019 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Air Emission Standards for Equipment Leaks | Feb 27, 2019 | Mar 18, 2019 | Resolved |
| caa | FRV | Mar 29, 2018 | — | Open |
| caa | FRV | Jan 22, 2018 | — | Open |
| caa | FRV | Jul 17, 2017 | — | Open |
| rcra | Land Disposal Restrictions: Prohibitions on Storage | Nov 10, 2016 | Feb 7, 2017 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Nov 10, 2016 | Feb 7, 2017 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Nov 10, 2016 | Feb 7, 2017 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Nov 10, 2016 | Feb 7, 2017 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Nov 10, 2016 | Feb 7, 2017 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Tank Systems | Nov 10, 2016 | Feb 7, 2017 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Oct 2, 2014 | Jan 20, 2015 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jan 31, 2013 | Feb 20, 2013 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jan 31, 2013 | Jan 31, 2013 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Jan 31, 2013 | Jan 31, 2013 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | May 5, 2010 | Jul 2, 2010 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 5, 2010 | Sep 13, 2010 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | May 5, 2010 | Sep 13, 2010 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | May 5, 2010 | Jun 18, 2010 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Dec 13, 2005 | Jan 9, 2006 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Dec 13, 2005 | Jan 9, 2006 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Dec 13, 2005 | Jan 9, 2006 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Dec 13, 2005 | Jan 9, 2006 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jun 16, 2003 | Jun 25, 2003 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 1988 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 1988 | Apr 30, 1988 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 1987 | Mar 31, 1988 | Resolved |
| cwa | Schedule Event achieved late but reported | Dec 31, 1987 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 31, 1987 | — | Open |
| cwa | Schedule Event achieved late but reported | May 31, 1987 | — | Open |
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 |
|---|---|---|---|---|---|---|
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 126.20 mg/L | 55.00 | +129% | Apr 2020 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.22 mg/L | 0.17 | +26% | Aug 2017 | Resolved |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.21 mg/L | 0.17 | +24% | Jun 2017 | Resolved |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.22 mg/L | 0.17 | +26% | Dec 2016 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 151.40 mg/L | 55.00 | +175% | May 2015 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.31 mg/L | 0.17 | +79% | May 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.