Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
EQUISTAR CHEMICALS
Quick Summary
- •Released 35,552 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 $1,445,000 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
5761 UNDERWOOD RD
PASADENA, TX 77507
View on map ↗ - County
- HARRIS County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325199
- Inspections
- 2 · last Aug 19, 2025
- Total Penalties
- $1,445,000 · last Jan 31, 2024
- Registry ID
- 110000506079
How This Compares
#275
of 1,879 TRI reporters in TX
#2,047
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.
12
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
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.
Emissions Trend (2015–2024)
-37% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 65,783 | — |
| 2016 | 50,621 | -23% |
| 2017 | 35,552 | -30% |
| 2018 | 52,387 | +47% |
| 2019 | 4,387 | -92% |
| 2020 | 57,739 | +1216% |
| 2021 | 70,584 | +22% |
| 2022 | 94,139 | +33% |
| 2023 | 55,534 | -41% |
| 2024 | 41,359 | -26% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Silver | — | — | — | — | 0 | |
| Ethylene | 18,976 | 18,976 | — | — | — | |
| Ethylene oxide | 7,535 | 7,535 | — | — | 64,969 | ♦ Carcinogen |
| Chloroethane | 3,424 | 3,424 | — | — | 7,238 | |
| Ethylene glycol | 3,267 | 3,267 | — | — | 1,783,531 | |
| Certain glycol ethers | 2,499 | 2,499 | — | — | 306,251 | |
| Methanol | 2,299 | 2,299 | — | — | 36,406 | |
| n-Butyl alcohol | 1,271 | 1,271 | — | — | 27,468 | |
| 2-Methoxyethanol | 1,027 | 1,027 | — | — | 226 | |
| 2-Ethoxyethanol | 407 | 407 | — | — | 280 | |
| Acetaldehyde | 375 | 375 | — | — | 7,327 | ♦ Carcinogen |
| Toluene | 279 | 279 | — | — | 6,569 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Silver | — | — | — | — | — | |
| Ethylene | 24,602 | 24,602 | — | — | — | |
| Ethylene glycol | 9,829 | 9,829 | — | — | 439,697 | |
| Ethylene oxide | 7,274 | 7,274 | — | — | 33,085 | ♦ Carcinogen |
| Chloroethane | 5,646 | 5,646 | — | — | 12,720 | |
| Certain glycol ethers | 2,224 | 2,224 | — | — | 343,991 | |
| Methanol | 2,201 | 2,201 | — | — | 7,677 | |
| Acetaldehyde | 1,213 | 1,213 | — | — | 829 | ♦ Carcinogen |
| 2-Methoxyethanol | 995 | 995 | — | — | 428 | |
| n-Butyl alcohol | 958 | 958 | — | — | 231,205 | |
| 2-Ethoxyethanol | 552 | 552 | — | — | 9 | |
| Toluene | 40 | 40 | — | — | 25,348 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 68,487 | 68,487 | — | — | — | |
| Ethylene oxide | 9,053 | 9,053 | — | — | 37,060 | ♦ Carcinogen |
| Ethylene glycol | 6,505 | 6,505 | — | — | 1,874,669 | |
| Certain glycol ethers | 3,086 | 3,086 | — | — | 214,151 | |
| Methanol | 1,859 | 1,859 | — | — | 13,671 | |
| Acetaldehyde | 1,535 | 1,535 | — | — | 38,454 | ♦ Carcinogen |
| 2-Methoxyethanol | 1,520 | 1,520 | — | — | 344 | |
| n-Butyl alcohol | 838 | 838 | — | — | 11,452 | |
| Toluene | 688 | 688 | — | — | 12,437 | |
| 2-Ethoxyethanol | 568 | 568 | — | — | 28 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 35,324 | 35,324 | — | — | — | |
| Ethylene glycol | 11,276 | 11,276 | — | — | 840,785 | |
| Ethylene oxide | 10,623 | 10,623 | — | — | 2,384 | ♦ Carcinogen |
| Certain glycol ethers | 5,391 | 5,391 | — | — | 574,884 | |
| Toluene | 2,517 | 2,517 | — | — | 14,027 | |
| 2-Methoxyethanol | 1,385 | 1,385 | — | — | 283 | |
| Methanol | 1,338 | 1,338 | — | — | 11,292 | |
| Acetaldehyde | 1,262 | 1,262 | — | — | 12,528 | ♦ Carcinogen |
| n-Butyl alcohol | 890 | 890 | — | — | 56,099 | |
| 2-Ethoxyethanol | 578 | 578 | — | — | 300 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 33,001 | 33,001 | — | — | — | |
| Ethylene oxide | 9,527 | 9,527 | — | — | 2,914 | ♦ Carcinogen |
| Ethylene glycol | 6,474 | 6,474 | — | — | 944,311 | |
| Toluene | 2,083 | 2,083 | — | — | 4,256 | |
| Certain glycol ethers | 1,949 | 1,949 | — | — | 340,461 | |
| Acetaldehyde | 1,603 | 1,603 | — | — | 36,410 | ♦ Carcinogen |
| Methanol | 1,077 | 1,077 | — | — | 16,660 | |
| 2-Methoxyethanol | 988 | 988 | — | — | 3,813 | |
| n-Butyl alcohol | 520 | 520 | — | — | 6,208 | |
| 2-Ethoxyethanol | 517 | 517 | — | — | 1,235 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Acetaldehyde | 3,399 | 3,399 | — | — | 28,727 | ♦ Carcinogen |
| n-Butyl alcohol | 988 | 988 | — | — | 77,559 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 17,065 | 17,065 | — | — | — | |
| Ethylene oxide | 15,348 | 15,348 | — | — | 5,135 | ♦ Carcinogen |
| Acetaldehyde | 7,277 | 7,277 | — | — | 29,647 | ♦ Carcinogen |
| Certain glycol ethers | 4,222 | 4,222 | — | — | 624,224 | |
| Ethylene glycol | 4,198 | 4,198 | — | — | 370,304 | |
| Methanol | 1,779 | 1,779 | — | — | 8,716 | |
| n-Butyl alcohol | 922 | 922 | — | — | 51,012 | |
| 2-Methoxyethanol | 922 | 922 | — | — | 20,470 | |
| 2-Ethoxyethanol | 591 | 591 | — | — | 12 | |
| Toluene | 63 | 63 | — | — | 16,467 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 16,949 | 16,949 | — | — | — | |
| Ethylene oxide | 5,824 | 5,824 | — | — | 3,181 | ♦ Carcinogen |
| Certain glycol ethers | 4,116 | 4,116 | — | — | 566,656 | |
| Ethylene glycol | 3,301 | 3,301 | — | — | 683,454 | |
| Methanol | 1,588 | 1,588 | — | — | 2,755 | |
| n-Butyl alcohol | 1,567 | 1,567 | — | — | 30,009 | |
| 2-Ethoxyethanol | 810 | 810 | — | — | 962 | |
| Acetaldehyde | 538 | 538 | — | — | 22,868 | ♦ Carcinogen |
| 2-Methoxyethanol | 449 | 449 | — | — | 962 | |
| Toluene | 410 | 410 | — | — | 23,799 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 32,233 | 32,233 | — | — | — | |
| Ethylene oxide | 6,578 | 6,578 | — | — | 717 | ♦ Carcinogen |
| Certain glycol ethers | 3,072 | 3,072 | — | — | 631,849 | |
| Ethylene glycol | 2,939 | 2,939 | — | — | 317,320 | |
| Acetaldehyde | 2,374 | 2,374 | — | — | 20,710 | ♦ Carcinogen |
| Methanol | 1,223 | 1,223 | — | — | 19,296 | |
| n-Butyl alcohol | 1,058 | 1,058 | — | — | 22,764 | |
| 2-Methoxyethanol | 484 | 484 | — | — | 839 | |
| 2-Ethoxyethanol | 373 | 373 | — | — | 3,477 | |
| Toluene | 287 | 287 | — | — | 30,218 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 29,337 | 29,337 | — | — | — | |
| Ethylene glycol | 11,493 | 11,493 | — | — | 869,027 | |
| Ethylene oxide | 11,195 | 11,195 | — | — | 17,143 | ♦ Carcinogen |
| Acetaldehyde | 5,032 | 5,032 | — | — | 34,317 | ♦ Carcinogen |
| Certain glycol ethers | 3,523 | 3,523 | — | — | 993,136 | |
| n-Butyl alcohol | 1,703 | 1,703 | — | — | 119,717 | |
| 2-Methoxyethanol | 1,535 | 1,535 | — | — | 8,945 | |
| Methanol | 1,413 | 1,413 | — | — | 47,358 | |
| Toluene | 282 | 282 | — | — | 32,490 | |
| 2-Ethoxyethanol | 270 | 270 | — | — | 10,842 |
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 |
|---|---|---|---|---|
| Ethylene glycol | — | — | — | 1,640,849 |
| Ethylene oxide | — | — | — | 162,241 |
| Certain glycol ethers | — | — | 186,200 | 110,447 |
| 2-Methoxyethanol | — | — | — | 208 |
| Toluene | — | — | 19 | 4,978 |
| Ethylene | — | — | 482,634 | 2,143,241 |
| n-Butyl alcohol | — | — | — | 25,271 |
| Methanol | — | — | — | 33,494 |
| Acetaldehyde | — | — | — | 6,668 |
| 2-Ethoxyethanol | — | — | — | 258 |
| Chloroethane | — | — | 600 | 1,013 |
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 |
|---|---|---|---|---|---|
|
CHEMICAL RECLAMATION SERVICES AVALON FACILITY
AVALON, TX
|
Toluene | — | — | 19 | — |
|
CHEMICAL RECLAMATION SERVICES AVALON FACILITY
AVALON, TX
|
Certain glycol ethers | — | — | 186,200 | — |
|
BLUE RIDGE LANDFILL
FRESNO, TX
|
Silver | 0 | — | — | — |
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 |
|---|---|---|
| n-Butyl alcohol | 27,468 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
| Acetaldehyde | 7,327 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
| Ethylene glycol | 1,783,531 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
| 2-Ethoxyethanol | 280 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
| Ethylene oxide | 64,969 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
| Methanol | 36,406 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
| Certain glycol ethers | 120,051 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
| 2-Methoxyethanol | 226 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
| Chloroethane | 7,238 | GULF COAST WASTE DISPOSAL AUTHORITY - BAYPORT, PASADENA |
| Toluene | 6,550 | 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 | Linked to Viol. Below | — | — | Open |
| caa | FRV | Apr 11, 2023 | — | Open |
| caa | FRV | Feb 8, 2023 | — | Open |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Sep 29, 2021 | Sep 30, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Sep 29, 2021 | Sep 30, 2021 | Resolved |
| caa | HPV | May 17, 2019 | Jan 31, 2024 | Resolved |
| caa | FRV | May 3, 2018 | — | Open |
| caa | HPV | May 16, 2017 | Aug 5, 2019 | Resolved |
| caa | FRV | Nov 22, 2016 | — | Open |
| caa | FRV | Aug 16, 2016 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jun 18, 2015 | Jun 25, 2015 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jun 18, 2015 | Sep 2, 2015 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 18, 2015 | Jun 25, 2015 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Jun 18, 2015 | Jun 25, 2015 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Jun 18, 2015 | Sep 2, 2015 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Jun 18, 2015 | Sep 2, 2015 | Resolved |
| rcra | Land Disposal Restrictions: Prohibitions on Storage | May 10, 2011 | Jun 18, 2011 | Resolved |
| rcra | Standards for Used Oil: Generators | May 10, 2011 | May 10, 2011 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | May 10, 2011 | Jul 18, 2011 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | May 10, 2011 | Jul 18, 2011 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 10, 2011 | Jun 18, 2011 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 25, 2004 | Jun 9, 2004 | Resolved |
| rcra | Land Disposal Restrictions: General | May 25, 2004 | May 25, 2004 | Resolved |
| rcra | Land Disposal Restrictions: Prohibitions on Storage | May 25, 2004 | Jun 9, 2004 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | May 25, 2004 | Jun 25, 2004 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | May 25, 2004 | Jun 25, 2004 | 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 |
|---|---|---|---|---|---|---|
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 77.10 mg/L | 75.00 | +3% | Sep 2019 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 76.20 mg/L | 75.00 | +2% | Dec 2016 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 111.00 mg/L | 75.00 | +48% | Jun 2016 | 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
Clean Air Act
· Case 3603643548 · Feb 4, 2026
Judicial
Clean Air Act
· Case 3602029465 · Jan 31, 2024
$1,445,000
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD982306144-5 · Oct 27, 2021
Administrative - Formal
Clean Air Act
· Case 3601760733 · Jun 18, 2019
$41,076
Administrative - Formal
Clean Air Act
· Case 3601761224 · Jan 15, 2019
$4,688
Administrative - Formal
Clean Air Act
· Case 3601761367 · Apr 11, 2017
$6,440
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD982306144-4 · Aug 12, 2015
Administrative - Formal
· Case 06-2012-3320 · Aug 7, 2012
$45,000
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD982306144-3 · Aug 1, 2011
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD982306144-2 · Jun 20, 2011
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD982306144-1 · May 25, 2004
Administrative - Formal
· Case 06-2000-0881 · Jun 30, 2000
$4,300
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