Non-Compliance
TRI Reporter
Clean Water Act
RCRA
SHINETSU SILICONES OF AMERICA - FREEPORT PLANT
Quick Summary
- •Released 2,212 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
-
5650 E HIGHWAY 332
FREEPORT, TX 77541
View on map ↗ - County
- BRAZORIA County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325199
- Inspections
- 2 · last Jul 17, 2025
- Total Penalties
- $0 · last Dec 4, 2010
- Registry ID
- 110013362770
How This Compares
#782
of 1,879 TRI reporters in TX
#6,096
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.
4
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)
-72% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 3,422 | — |
| 2016 | 2,288 | -33% |
| 2017 | 2,212 | -3% |
| 2018 | 2,524 | +14% |
| 2019 | 1,710 | -32% |
| 2020 | 1,710 | 0% |
| 2021 | 1,308 | -23% |
| 2022 | 899 | -31% |
| 2023 | 800 | -11% |
| 2024 | 957 | +20% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 500 | 500 | — | — | — | |
| Acrylonitrile | 143 | 143 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 142 | 142 | — | — | — | |
| Propylene oxide | 130 | 130 | — | — | — | ♦ Carcinogen |
| Methanol | 32 | 32 | — | — | — | |
| Chlorine | 10 | 10 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | 255 | 255 | — | — | — | |
| Hydrogen sulfide | 144 | 144 | — | — | — | |
| Acrylonitrile | 143 | 143 | — | — | — | ♦ Carcinogen |
| Propylene oxide | 130 | 130 | — | — | — | ♦ Carcinogen |
| n-Hexane | 84 | 84 | — | — | — | |
| Methanol | 44 | 44 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | 255 | 255 | — | — | — | |
| Propylene oxide | 159 | 159 | — | — | — | ♦ Carcinogen |
| n-Hexane | 154 | 154 | — | — | — | |
| Hydrogen sulfide | 146 | 146 | — | — | — | |
| Acrylonitrile | 142 | 142 | — | — | — | ♦ Carcinogen |
| Methanol | 43 | 43 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 554 | 554 | — | — | — | |
| Chlorine | 255 | 255 | — | — | — | |
| Propylene oxide | 157 | 157 | — | — | — | ♦ Carcinogen |
| Acrylonitrile | 154 | 154 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 150 | 150 | — | — | — | |
| Methanol | 38 | 38 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Propylene oxide | 500 | 500 | — | — | — | ♦ Carcinogen |
| n-Hexane | 500 | 500 | — | — | — | |
| Chlorine | 255 | 255 | — | — | — | |
| Methanol | 255 | 255 | — | — | — | |
| Acrylonitrile | 138 | 138 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 62 | 62 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 500 | 500 | — | — | — | |
| Propylene oxide | 500 | 500 | — | — | — | ♦ Carcinogen |
| Chlorine | 255 | 255 | — | — | — | |
| Methanol | 255 | 255 | — | — | — | |
| Acrylonitrile | 138 | 138 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 62 | 62 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | 1,316 | 1,316 | — | — | — | |
| n-Hexane | 500 | 500 | — | — | 8,796 | |
| Chlorine | 255 | 255 | — | — | — | |
| Propylene oxide | 159 | 159 | — | — | — | ♦ Carcinogen |
| Acrylonitrile | 154 | 154 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 140 | 140 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | 1,003 | 1,003 | — | — | — | |
| n-Hexane | 500 | 500 | — | — | 1,656 | |
| Chlorine | 255 | 255 | — | — | — | |
| Acrylonitrile | 154 | 154 | — | — | — | ♦ Carcinogen |
| Propylene oxide | 153 | 153 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 147 | 147 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | 780 | 780 | — | — | — | |
| n-Hexane | 500 | 500 | — | — | — | |
| Acrylonitrile | 500 | 500 | — | — | — | ♦ Carcinogen |
| Chlorine | 255 | 255 | — | — | — | |
| Propylene oxide | 155 | 155 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 98 | 98 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | 2,089 | 2,089 | — | — | — | |
| n-Hexane | 500 | 500 | — | — | — | |
| Chlorine | 250 | 250 | — | — | — | |
| Propylene oxide | 155 | 155 | — | — | — | ♦ Carcinogen |
| Acrylonitrile | 154 | 154 | — | — | — | ♦ Carcinogen |
| Hydrogen sulfide | 147 | 147 | — | — | — | |
| Allyl chloride | 127 | 127 | — | — | — |
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 |
|---|
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 |
|---|---|---|---|---|---|
|
PHILLIPS SERVICES
HOUSTON, TX
|
n-Hexane | — | — | — | 1,656 |
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 | Schedule Event unachieved and not reported | Jan 15, 2026 | Feb 15, 2026 | Resolved |
| cwa | Schedule Event unachieved but reported | Apr 15, 2025 | Jul 14, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Apr 15, 2025 | Jul 14, 2025 | Resolved |
| cwa | Schedule Event reported late | Apr 15, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 15, 2025 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2025 | Jul 14, 2025 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 15, 2025 | — | Open |
| cwa | Schedule Event reported late | Jan 15, 2025 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 15, 2025 | Jul 14, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 8, 2022 | Feb 21, 2023 | Resolved |
| cwa | Schedule Event unachieved but reported | Aug 8, 2022 | Feb 20, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 8, 2022 | — | Open |
| cwa | Schedule Event reported late | Aug 8, 2022 | — | Open |
| cwa | Schedule Event reported late | Oct 15, 2021 | — | Open |
| cwa | Schedule Event reported late | Oct 15, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 15, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 15, 2020 | — | Open |
| cwa | Schedule Event reported late | Apr 15, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Apr 15, 2020 | Jul 8, 2020 | Resolved |
| cwa | Schedule Event unachieved but reported | Apr 15, 2020 | Jul 8, 2020 | Resolved |
| cwa | Schedule Event reported late | Jan 15, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 15, 2020 | Jul 8, 2020 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 15, 2020 | Jul 8, 2020 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 15, 2020 | — | Open |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | May 13, 2016 | May 27, 2016 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | May 13, 2016 | May 27, 2016 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | May 13, 2016 | May 27, 2016 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 13, 2016 | May 24, 2016 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | May 13, 2016 | May 27, 2016 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | May 13, 2016 | May 27, 2016 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention | May 13, 2016 | May 24, 2016 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | May 13, 2016 | May 24, 2016 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Sep 11, 2015 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Apr 24, 2014 | — | Open |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Aug 22, 2008 | Aug 26, 2008 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Aug 22, 2008 | Aug 26, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 22, 2008 | Aug 22, 2008 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Aug 22, 2008 | Aug 26, 2008 | 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 |
|---|---|---|---|---|---|---|
| Chloroform | DMR, Limited - Numeric Violation | 0.04 kg/d | 0.03 | +52% | Aug 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 355.44 kg/d | 170.25 | +109% | Feb 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 90.98 kg/d | 64.47 | +41% | Feb 2023 | Open |
| Chloroform | DMR, Limited - Numeric Violation | 0.04 kg/d | 0.03 | +23% | Aug 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.
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXR000051029-2 · May 13, 2016
State CWA Penalty AO
Clean Water Act
· Case TX-2010-1006-IWD-E · Dec 4, 2010
$24,875
Administrative - Formal
· Case 06-2010-3580 · Jun 25, 2010
$4,260
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXR000051029-1 · Aug 22, 2008
State CWA Non Penalty AO
Clean Water Act
· Case TX-N00007875 · Jan 12, 2008
$10,650
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