Clean Water Act discharge permit · NPDES TX0137855
BAYPORT POLYMERS, Groves, TX: NPDES TX0137855 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
BAYPORT POLYMERS, held by BAYPORT POLYMERS LLC, holds NPDES permit TX0137855, which discharges to Neches River Tidal;Basin;Jefferson Co Drainage Dis. EPA’s file records it issued June 7, 2018 and expiring June 7, 2023. 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 | BAYPORT POLYMERS |
|---|---|
| Permittee as filed | BAYPORT POLYMERS LLC |
| NPDES ID | TX0137855 |
| 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 | June 7, 2018 |
| Expiration date | June 7, 2023 |
| Address | Groves, TX 77641 |
| Receiving water | NECHES RIVER TIDAL;BASIN;JEFFERSON CO DRAINAGE DIS |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Grays Bayou-Neches River (HUC 120200030407) |
| SIC | 2869 – Industrial Organic Chemicals |
| Other EPA IDs (FRS) | RCRA handler TXR000086112; ICIS-AIR source TX0000004824500748 |
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
- 6Pollutants on file
- 6Under a numeric limit
- 3With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Chlorine, free available | 2 | 6 | 6 | August 31, 2022 | 340% over the limit |
| pH | 4 | 4 | 4 | June 30, 2025 | |
| Flow, in conduit or thru treatment plant | 6 | 17 | 1 | June 30, 2026 | 1% over the limit |
| Oil & Grease | 2 | 0 | 0 | ||
| Solids, total suspended | 1 | 0 | 0 | ||
| Carbon, tot organic [TOC] | 1 | 0 | 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 6, 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 TX0137855 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.