Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
PURITY ISOBUTYLENE PLANT AND PASADENA TERMINAL
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $110,316 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
1500 NORTH SOUTH ST
PASADENA, TX 77503
View on map ↗ - County
- HARRIS County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325110
- Inspections
- 3 · last Oct 8, 2025
- Total Penalties
- $110,316 · last Aug 5, 2024
- Registry ID
- 110060340162
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.
1
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
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)
-99% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 4,677 | — |
| 2016 | 4,470 | -4% |
| 2017 | 0 | -100% |
| 2018 | 0 | — |
| 2020 | 0 | — |
| 2021 | 161 | — |
| 2022 | 118 | -27% |
| 2023 | 127 | +8% |
| 2024 | 31 | -75% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Dicyclopentadiene | — | — | — | — | — | |
| Xylene (mixed isomers) | 31 | 31 | — | — | 4 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Dicyclopentadiene | — | — | — | — | — | |
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Xylene (mixed isomers) | 127 | 127 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Dicyclopentadiene | — | — | — | — | — | |
| Xylene (mixed isomers) | 118 | 118 | — | — | 3 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Dicyclopentadiene | — | — | — | — | — | |
| Toluene | — | — | — | — | — | |
| Xylene (mixed isomers) | 161 | 161 | — | — | 0 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | — | — | — | — | — | |
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Dicyclopentadiene | — | — | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Dicyclopentadiene | — | — | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Dicyclopentadiene | — | — | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 1,935 | 1,935 | — | — | — | |
| Ammonia | 1,344 | 1,344 | — | — | — | |
| Xylene (mixed isomers) | 378 | 378 | — | — | — | |
| Toluene | 272 | 272 | — | — | — | |
| Propylene | 179 | 179 | — | — | — | |
| Benzene | 109 | 109 | — | — | — | ♦ Carcinogen |
| Ethylbenzene | 108 | 108 | — | — | — | ♦ Carcinogen |
| Cyclohexane | 108 | 108 | — | — | — | |
| 1,3-Butadiene | 36 | 36 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 2,027 | 2,027 | — | — | — | |
| Ammonia | 1,316 | 1,316 | — | — | — | |
| Xylene (mixed isomers) | 519 | 519 | — | — | — | |
| Toluene | 371 | 371 | — | — | — | |
| Ethylbenzene | 148 | 148 | — | — | — | ♦ Carcinogen |
| Benzene | 148 | 148 | — | — | — | ♦ Carcinogen |
| Cyclohexane | 148 | 148 | — | — | — |
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 |
|---|---|---|---|---|
| Xylene (mixed isomers) | — | — | — | 4 |
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 |
|---|---|---|---|---|---|
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Xylene (mixed isomers) | — | — | — | 4 |
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 | FRV | May 18, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 15, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Aug 16, 2022 | Jul 20, 2023 | Resolved |
| cwa | Schedule Event unachieved but reported | Aug 16, 2022 | Jul 20, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 16, 2022 | — | Open |
| cwa | Schedule Event reported late | Aug 16, 2022 | — | Open |
| caa | FRV | Feb 7, 2019 | — | Open |
| caa | FRV | Sep 28, 2017 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jan 9, 2007 | Jan 9, 2007 | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 160.00 mg/L | 100.00 | +60% | Nov 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 32.30 mg/L | 30.00 | +8% | Nov 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 37.90 mg/L | 30.00 | +26% | Jun 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.80 mg/L | 30.00 | +6% | May 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 45.10 mg/L | 30.00 | +50% | Apr 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 54.02 mg/L | 30.00 | +80% | Jan 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 236.00 mg/L | 100.00 | +136% | Jan 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 152.90 mg/L | 100.00 | +53% | Jan 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.66 mg/L | 30.00 | +12% | Jan 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 124.60 mg/L | 100.00 | +25% | Aug 2022 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 42.20 mg/L | 20.00 | +111% | Dec 2021 | Resolved |
| Oil & Grease | DMR, Limited - Numeric Violation | 18.26 mg/L | 15.00 | +22% | Dec 2021 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 25.00 mg/L | 15.00 | +67% | Sep 2021 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 45.00 mg/L | 20.00 | +125% | Sep 2021 | Resolved |
| Oil & Grease | DMR, Limited - Numeric Violation | 21.90 mg/L | 20.00 | +10% | Jul 2021 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.10 mg/L | 0.10 | +2,000% | Mar 2021 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.22 mg/L | 0.10 | +120% | Oct 2020 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.16 mg/L | 0.10 | +60% | Sep 2020 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.11 mg/L | 0.10 | +10% | Dec 2019 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.12 mg/L | 0.10 | +20% | Nov 2019 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.29 mg/L | 0.10 | +190% | Oct 2019 | Resolved |
| Oil & Grease | DMR, Limited - Numeric Violation | 32.50 mg/L | 20.00 | +63% | Apr 2019 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 23.80 mg/L | 20.00 | +19% | Aug 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 112.00 mg/L | 100.00 | +12% | Jun 2016 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 42.40 mg/L | 20.00 | +112% | Feb 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 111.00 mg/L | 100.00 | +11% | Nov 2015 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 44.80 mg/L | 20.00 | +124% | 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 3603643560 · Aug 5, 2024
$95,528
State CWA Penalty AO
Clean Water Act
· Case TX-2020-0764-IWD-E · Apr 8, 2022
$14,788
Administrative - Formal
Clean Air Act
· Case 3601832648 · Jan 14, 2020
$4,800
Administrative - Formal
Clean Air Act
· Case 3601760789 · Oct 25, 2019
$49,087
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXR000012856-1 · Feb 22, 2007
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