Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
SI GROUP INC TX OPERATIONS
Quick Summary
- •Released 25,170 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 $219,514 in total penalties since records began.
- Address
-
702 FM 523
FREEPORT, TX 77541
View on map ↗ - County
- BRAZORIA County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325194
- Inspections
- 3 · last Jul 18, 2025
- Total Penalties
- $219,514 · last Aug 20, 2024
- Registry ID
- 110000463427
How This Compares
#314
of 1,879 TRI reporters in TX
#2,502
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
Qtrs Non-Compliant
2
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
2
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)
-80% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 21,628 | — |
| 2016 | 39,803 | +84% |
| 2017 | 25,170 | -37% |
| 2018 | 20,342 | -19% |
| 2019 | 21,788 | +7% |
| 2020 | 17,512 | -20% |
| 2021 | 8,269 | -53% |
| 2022 | 7,722 | -7% |
| 2023 | 1,666 | -78% |
| 2024 | 4,397 | +164% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Phenol | 2,206 | 2,206 | — | — | 21,857 | |
| Methanol | 1,777 | 1,503 | 274 | — | 4,147 | |
| 2,4-Dimethylphenol | 200 | 199 | 1 | — | 993 | |
| o-Cresol | 111 | 110 | 1 | — | 129 | |
| m-Cresol | 70 | 70 | — | — | 163 | |
| p-Cresol | 28 | 27 | 1 | — | 163 | |
| Toluene | 3 | 3 | — | — | 147 | |
| Nonylphenol | 2 | — | 2 | — | 113 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Phenol | 1,282 | 1,280 | 2 | — | 3,646 | |
| o-Cresol | 114 | 110 | 4 | — | 308 | |
| Methanol | 109 | 107 | 2 | — | 5,102 | |
| m-Cresol | 63 | 59 | 4 | — | — | |
| 2,4-Dimethylphenol | 59 | 55 | 4 | — | 388 | |
| p-Cresol | 26 | 22 | 4 | — | 432 | |
| Nonylphenol | 8 | — | 8 | — | 127 | |
| Toluene | 5 | 1 | 4 | — | 128 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Phenol | 4,805 | 4,803 | 2 | — | 3,646 | |
| Methanol | 2,277 | 2,275 | 2 | — | 2,401 | |
| 2,4-Dimethylphenol | 374 | 370 | 4 | — | 407 | |
| o-Cresol | 126 | 122 | 4 | — | 196 | |
| m-Cresol | 69 | 69 | — | — | — | |
| p-Cresol | 58 | 54 | 4 | — | 246 | |
| Nonylphenol | 8 | — | 8 | — | 127 | |
| Toluene | 5 | 2 | 3 | — | 1,141 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Phenol | 5,413 | 5,411 | 2 | — | 3,646 | |
| Methanol | 1,947 | 1,945 | 2 | — | 2,031 | |
| 2,4-Dimethylphenol | 511 | 508 | 3 | — | 888 | |
| p-Cresol | 148 | 145 | 3 | — | 162 | |
| o-Cresol | 128 | 125 | 3 | — | 355 | |
| m-Cresol | 98 | 98 | — | — | — | |
| Nonylphenol | 19 | 13 | 6 | — | 117 | |
| Toluene | 5 | 2 | 3 | — | 1,070 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | 7,671 | 7,669 | 2 | — | 2,722 | |
| Phenol | 7,126 | 7,124 | 2 | — | 3,646 | |
| Toluene | 1,382 | 1,380 | 3 | — | 1,335 | |
| o-Cresol | 474 | 470 | 3 | — | 355 | |
| 2,4-Dimethylphenol | 414 | 411 | 3 | — | 1,444 | |
| p-Cresol | 216 | 213 | 3 | — | 162 | |
| m-Cresol | 161 | 161 | — | — | — | |
| Nonylphenol | 69 | 63 | 6 | — | 117 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | 13,692 | 13,689 | 3 | — | 2,853 | |
| Phenol | 6,741 | 6,740 | 1 | — | 1,527 | |
| 2,4-Dimethylphenol | 605 | 596 | 9 | — | 775 | |
| m-Cresol | 477 | 477 | — | — | — | |
| Toluene | 163 | 155 | 8 | — | 1,787 | |
| Nonylphenol | 53 | 44 | 9 | — | 63 | |
| p-Cresol | 43 | 34 | 9 | — | 63 | |
| o-Cresol | 13 | 4 | 9 | — | 126 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | 9,385 | 6,498 | 2,887 | — | 3,290 | |
| Phenol | 6,011 | 6,009 | 2 | — | 11,134 | |
| Toluene | 2,228 | 2,220 | 8 | — | 1,199 | |
| Nonylphenol | 1,745 | 1,734 | 11 | — | 589 | |
| 2,4-Dimethylphenol | 576 | 565 | 11 | — | 1,813 | |
| p-Cresol | 186 | 175 | 11 | — | 706 | |
| m-Cresol | 138 | 138 | — | — | — | |
| o-Cresol | 73 | 62 | 11 | — | 593 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nonylphenol | 8,054 | 1,888 | 6,166 | — | 1,108 | |
| Phenol | 7,135 | 7,135 | — | — | 46,406 | |
| Methanol | 5,702 | 4,201 | 1,501 | — | 4,441 | |
| Toluene | 3,402 | 2,065 | 1,337 | — | 1,735 | |
| 2,4-Dimethylphenol | 426 | 386 | 40 | — | 3,760 | |
| p-Cresol | 185 | 177 | 8 | — | 690 | |
| m-Cresol | 137 | 137 | — | — | 2 | |
| o-Cresol | 129 | 121 | 8 | — | 689 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | 17,252 | 3,856 | 13,396 | — | 16,627 | |
| Nonylphenol | 9,549 | 1,884 | 7,665 | — | 1,736 | |
| Phenol | 6,639 | 6,639 | — | — | 70,332 | |
| 2,4-Dimethylphenol | 3,741 | 460 | 3,281 | — | 3,225 | |
| Toluene | 2,073 | 1,981 | 92 | — | 3,043 | |
| p-Cresol | 203 | 177 | 26 | — | 839 | |
| o-Cresol | 203 | 177 | 26 | — | 839 | |
| m-Cresol | 143 | 143 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | 8,650 | 4,476 | 4,174 | — | 13,623 | |
| Phenol | 7,611 | 7,611 | — | — | 54,705 | |
| Nonylphenol | 2,346 | 1,895 | 451 | — | 1,273 | |
| Toluene | 2,128 | 2,107 | 21 | — | 1,984 | |
| 2,4-Dimethylphenol | 478 | 432 | 46 | — | 2,560 | |
| p-Cresol | 184 | 171 | 13 | — | 1,433 | |
| m-Cresol | 142 | 142 | — | — | — | |
| o-Cresol | 89 | 76 | 13 | — | 1,433 |
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 |
|---|---|---|---|---|
| Methanol | — | — | — | 130,297 |
| m-Cresol | — | — | — | 2,963 |
| Nonylphenol | — | — | — | 113 |
| Toluene | — | — | — | 147 |
| o-Cresol | — | — | — | 5,489 |
| Phenol | — | — | — | 95,597 |
| p-Cresol | — | — | — | 243 |
| 2,4-Dimethylphenol | — | — | — | 10,963 |
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 |
|---|---|---|---|---|---|
|
CALGON CARBON CORP
HOUSTON, TX
|
2,4-Dimethylphenol | — | — | — | 993 |
|
CALGON CARBON CORP
HOUSTON, TX
|
o-Cresol | — | — | — | 129 |
|
CALGON CARBON CORP
HOUSTON, TX
|
m-Cresol | — | — | — | 163 |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Methanol | 3,150 | — | — | — |
|
CALGON CARBON CORP
HOUSTON, TX
|
Methanol | — | — | — | 997 |
|
CALGON CARBON CORP
HOUSTON, TX
|
Toluene | — | — | — | 147 |
|
CALGON CARBON CORP
HOUSTON, TX
|
Nonylphenol | — | — | — | 113 |
|
CALGON CARBON CORP
HOUSTON, TX
|
p-Cresol | — | — | — | 163 |
|
CALGON CARBON CORP
HOUSTON, TX
|
Phenol | — | — | — | 21,857 |
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 |
| cwa | Schedule Event achieved late but reported | Mar 30, 2024 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Dec 21, 2023 | Jan 12, 2024 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Dec 21, 2023 | Feb 5, 2024 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Dec 21, 2023 | Feb 29, 2024 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Dec 21, 2023 | Jan 12, 2024 | Resolved |
| rcra | Standards for Used Oil: Generators | Dec 21, 2023 | Feb 29, 2024 | Resolved |
| caa | FRV | Nov 30, 2021 | — | Open |
| caa | HPV | Dec 7, 2020 | Nov 16, 2021 | Resolved |
| caa | FRV | Aug 31, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 8, 2020 | Aug 10, 2020 | Resolved |
| cwa | Schedule Event unachieved but reported | Mar 8, 2020 | Aug 10, 2020 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 8, 2020 | — | Open |
| cwa | Schedule Event reported late | Mar 8, 2020 | — | Open |
| caa | FRV | Feb 8, 2019 | — | Open |
| caa | FRV | Oct 4, 2018 | — | Open |
| caa | FRV | Jun 27, 2017 | — | Open |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Apr 10, 2013 | Apr 24, 2013 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 10, 2013 | Apr 24, 2013 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Apr 10, 2013 | Apr 24, 2013 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention | Apr 10, 2013 | Apr 24, 2013 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Apr 10, 2013 | Apr 24, 2013 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 10, 2013 | Apr 24, 2013 | Resolved |
| rcra | Land Disposal Restrictions: General | Apr 10, 2013 | Apr 24, 2013 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Apr 10, 2013 | Apr 24, 2013 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Oct 3, 2007 | Oct 5, 2007 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 8, 1999 | — | Open |
| rcra | Standards for the Management of Specific HW and Specific Types of HW Management Facilities: Hazardous Waste Burned in Boilers and Industrial Furnaces | Jul 7, 1994 | Mar 31, 1997 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 16, 1988 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 16, 1988 | Jun 14, 1988 | 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 |
|---|---|---|---|---|---|---|
| Phenol | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.01 | +5% | Feb 2023 | Open |
| Phenol | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.01 | +15% | Oct 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 24.92 kg/d | 20.88 | +19% | Sep 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 8.31 kg/d | 7.72 | +8% | Feb 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 7.98 kg/d | 7.72 | +3% | Mar 2020 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 4.87 kg/d | 3.54 | +37% | Sep 2019 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 2.54 kg/d | 2.36 | +8% | Sep 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.11 MGD | 0.10 | +8% | Sep 2019 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 4.63 kg/d | 3.54 | +31% | Jun 2019 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.12 MGD | 0.10 | +20% | Jun 2019 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 3.45 kg/d | 2.36 | +46% | Jun 2019 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 2.59 kg/d | 2.36 | +10% | Sep 2018 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 4.00 kg/d | 3.54 | +13% | Sep 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.12 MGD | 0.10 | +20% | Sep 2018 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 3.76 kg/d | 3.54 | +6% | Jul 2018 | Open |
| Phenol | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.01 | +50% | Jul 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 37.91 kg/d | 20.88 | +82% | Jun 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 11.26 kg/d | 7.72 | +46% | Jun 2018 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 13.06 kg/d | 7.72 | +69% | May 2018 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 56.31 kg/d | 20.88 | +170% | May 2018 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.24 MGD | 0.20 | +22% | Dec 2016 | Open |
| Phenol | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.00 | +60% | Feb 2016 | Open |
| Phenol | DMR, Limited - Numeric Violation | 0.03 kg/d | 0.01 | +205% | Feb 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.21 MGD | 0.20 | +6% | May 2015 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 7.21 kg/d | 3.54 | +104% | Feb 2015 | Open |
| Flow [dry weather] | DMR, Limited - Numeric Violation | 1.46 MGD | 1.40 | +4% | Feb 2015 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 2.53 kg/d | 2.36 | +7% | Feb 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
Clean Air Act
· Case 3602956341 · Aug 20, 2024
$45,680
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD010797389-4 · Mar 7, 2024
Administrative - Formal
Clean Air Act
· Case 3602298494 · Aug 22, 2023
$155,159
Administrative - Formal
Clean Air Act
· Case 3602375096 · Nov 9, 2021
$18,675
Administrative - Formal
Clean Air Act
· Case 3601761891 · Dec 18, 2019
$13,800
Administrative - Formal
Clean Air Act
· Case 3601760679 · Dec 17, 2019
$4,612
State CWA Penalty AO
Clean Water Act
· Case TX-2018-1549-IWD-E · Sep 10, 2019
$5,050
Administrative - Formal
Clean Air Act
· Case 3601761797 · Dec 12, 2018
$39,857
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD010797389-3 · Jun 11, 2013
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD010797389-2 · Apr 10, 2013
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXD010797389-1 · Oct 3, 2007
Administrative - Formal
· Case 06-1999-0107 · Nov 24, 1998
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1999-N182 · Nov 24, 1998
Administrative - Formal
· Case 06-1997-0286 · Apr 2, 1997
$7,000
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste)
· Case RCRA-TXD010797389-002 · Mar 31, 1997
$10,000
INITIAL 3008(A) COMPLIANCE
RCRA (Hazardous Waste)
· Case RCRA-TXD010797389-001 · Mar 31, 1997
$27,800
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1995-N230 · Mar 24, 1995
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1989-N510 · Dec 29, 1988
CWA 309A AO For Compliance
Clean Water Act
· Case 06-1988-N359 · Feb 16, 1988
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