Clean Water Act discharge permit · NPDES TX0114995
ALLIED PETROCHEMICAL PLANT, Alvin, TX: NPDES TX0114995 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
ALLIED PETROCHEMICAL PLANT, held by ALLIED PETROCHEMICAL, LLC, holds NPDES permit TX0114995, which discharges to Railroad Drainage Ditch;Chocolate Bayou Tidal. EPA’s file records it issued October 24, 2018 and expiring October 24, 2023. 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 | ALLIED PETROCHEMICAL PLANT |
|---|---|
| Permittee as filed | ALLIED PETROCHEMICAL, LLC |
| NPDES ID | TX0114995 |
| 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 | October 24, 2018 |
| Expiration date | October 24, 2023 |
| Address | Alvin, TX 77511 |
| Receiving water | RAILROAD DRAINAGE DITCH;CHOCOLATE BAYOU TIDAL |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 20Pollutants on file
- 20Under a numeric limit
- 20With a violation of any kind
- 8With 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 | 8 | 85 | 5 | July 31, 2024 | 1,262% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 46 | 4 | July 31, 2024 | 243% over the limit |
| Mercury, total [as Hg] | 8 | 91 | 3 | January 31, 2024 | 99,999% over the limit |
| Zinc, total [as Zn] | 8 | 86 | 2 | July 31, 2024 | 77% over the limit |
| Carbon, tot organic [TOC] | 8 | 82 | 2 | January 31, 2024 | 127% over the limit |
| Cadmium, total [as Cd] | 8 | 82 | 2 | January 31, 2024 | 233% over the limit |
| Chromium, total [as Cr] | 8 | 82 | 2 | January 31, 2024 | 233% over the limit |
| pH | 2 | 41 | 1 | January 31, 2024 | |
| Di[2-ethylhexyl] phthalate [DEHP] | 8 | 88 | 0 | ||
| n-Decane | 8 | 88 | 0 | ||
| Carbazole | 8 | 88 | 0 | ||
| Tin, total [as Sn] | 8 | 84 | 0 | ||
| Butyl benzyl phthalate | 8 | 84 | 0 | ||
| Fluoranthene | 8 | 84 | 0 | ||
| n-Octadecane | 8 | 84 | 0 | ||
| Arsenic, total [as As] | 8 | 81 | 0 | ||
| Lead, total [as Pb] | 8 | 81 | 0 | ||
| Cobalt, total [as Co] | 8 | 80 | 0 | ||
| Copper, total [as Cu] | 8 | 80 | 0 | ||
| Oil & Grease | 4 | 80 | 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 |
|---|---|---|
| January 30, 2019 | 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 TX0114995 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.