Clean Water Act discharge permit · NPDES TXG113457
PORT ARTHUR PORTABLE READY-MIX AND SLURRY PLANTS, Port Arthur, TX: NPDES TXG113457 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
PORT ARTHUR PORTABLE READY-MIX AND SLURRY PLANTS, held by Holcim - SOR, Inc., holds NPDES permit TXG113457. EPA’s file records it issued September 8, 2023 and expiring November 6, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PORT ARTHUR PORTABLE READY-MIX AND SLURRY PLANTS |
|---|---|
| Permittee as filed | Holcim - SOR, Inc. |
| NPDES ID | TXG113457 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 8, 2023 |
| Expiration date | November 6, 2026 |
| Address | Port Arthur, TX 77642 |
| Subwatershed | Salt Bayou (HUC 120402010300) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 20Pollutants on file
- 20Under a numeric limit
- 4With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 3 | 11 | 1 | August 31, 2024 | 203% over the limit |
| pH | 6 | 20 | 0 | ||
| Oil & Grease | 3 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 3 | 10 | 0 | ||
| Arsenic, total [as As] | 3 | 0 | 0 | ||
| Barium, total [as Ba] | 3 | 0 | 0 | ||
| Cadmium, total [as Cd] | 3 | 0 | 0 | ||
| Chromium, total [as Cr] | 3 | 0 | 0 | ||
| Copper, total [as Cu] | 3 | 0 | 0 | ||
| Lead, total [as Pb] | 3 | 0 | 0 | ||
| Manganese, total [as Mn] | 3 | 0 | 0 | ||
| Nickel, total [as Ni] | 3 | 0 | 0 | ||
| Silver, total [as Ag] | 3 | 0 | 0 | ||
| Zinc, total [as Zn] | 3 | 0 | 0 | ||
| Selenium, total [as Se] | 3 | 0 | 0 | ||
| Whole effluent toxicity - retest #1 | 3 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 3 | 0 | 0 | ||
| Mercury, total [as Hg] | 3 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 3 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 3 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG113457.
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.
Watch this permit
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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 TXG113457 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.