Clean Water Act discharge permit · NPDES TX0004227
EXXONMOBIL OIL BEAUMONT CHEMICAL PLANT, Beaumont, TX: NPDES TX0004227 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
EXXONMOBIL OIL BEAUMONT CHEMICAL PLANT, held by EXXONMOBIL OIL CORPORATION, holds NPDES permit TX0004227, which discharges to Outfall Canal;Neches River Basin. EPA’s file records it issued September 16, 2016 and expiring August 1, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | EXXONMOBIL OIL BEAUMONT CHEMICAL PLANT |
|---|---|
| Permittee as filed | EXXONMOBIL OIL CORPORATION |
| NPDES ID | TX0004227 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 16, 2016 |
| Expiration date | August 1, 2021 |
| Address | Beaumont, TX 77704 |
| Receiving water | OUTFALL CANAL;NECHES RIVER BASIN |
| SIC | 2869 – Industrial Organic Chemicals |
| Other EPA IDs (FRS) | RCRA handler TXD000803528; ICIS-AIR source TX0000004824500009 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 9Pollutants on file
- 8Under a numeric limit
- 9With a violation of any kind
- 5With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Zinc, total [as Zn] | 1 | 15 | 10 | January 31, 2012 | 462% over the limit |
| Toluene | 1 | 13 | 10 | May 31, 2024 | 2,355% over the limit |
| Carbon, tot organic [TOC] | 1 | 4 | 1 | February 28, 2009 | 27% over the limit |
| Benzene | 1 | 4 | 1 | May 31, 2019 | 50% over the limit |
| Solids, total suspended | 0 | 1 | 1 | August 31, 2009 | 104% over the limit |
| Phenols | 1 | 6 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Oil & Grease | 1 | 2 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 14, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TX0004227 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.