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Clean Water Act discharge permit · NPDES TX0113450

ETHYL PLANT, Pasadena, TX: NPDES TX0113450 discharge permit, effluent exceedances, inspections, penalties

ETHYL PLANT, held by ETHYL CORPORATION, holds NPDES permit TX0113450, which discharges to Houston Ship Channel. EPA’s file records it issued August 13, 2018 and expiring August 13, 2023.

ETHYL PLANT, Pasadena, Texas: Individual permit TX0113450, held by ETHYL CORPORATION; Administratively continued (past its expiration date and still in force until reissued); issued August 13, 2018, term to August 13, 2023; discharges to HOUSTON SHIP CHANNEL.

  • Oil & Grease: 1 limit, 7 violations of any kind, 4 effluent exceedances, latest May 31, 2013, largest 253% over the limit.
  • pH: 2 limits, 9 violations of any kind, 3 effluent exceedances, latest May 31, 2021.
  • Carbon, tot organic [TOC]: 1 limit, 4 violations of any kind, 1 effluent exceedance, latest May 31, 2008, largest 6% over the limit.
  • Flow, in conduit or thru treatment plant: 1 limit, 2 violations of any kind, 0 effluent exceedances.

ETHYL PLANT among its neighbors

EPA’s permit file holds 301 discharge permits in the Vince Bayou-Buffalo Bayou subwatershed (HUC 120401040703), TX0113450 among them. Its county holds 4,455, 195 of them major permits; TX0113450 is a minor permit.

Other permits in the Vince Bayou-Buffalo Bayou subwatershed (HUC 120401040703)

  • 019-HOU3-22 HOUSTON CONCRETE SILOS, Houston: TXR1594NZ, minor permit, discharging to HOUSTON SHIP CHANNEL/BUFFALO BAYOU TIDAL, permit term to March 4, 2028
  • 1111 FANNIN, Houston: TXR1556LZ, minor permit, permit term to March 4, 2028
  • 225 RAIL YARD, Pasadena: TXR15425W, minor permit, discharging to HOUSTON SHIP CHANNEL/BUFFALO BAYOU TIDAL, permit term to March 4, 2023
  • 500 MAYO SHELL ROAD, Galena Park: TXR05GS62, minor permit, permit term to August 13, 2026
  • 69TH ST WWTP, Houston: TX0096172, major permit, discharging to Buffalo Bayou, permit term to September 1, 2002
  • 8815 MISSISSIPPI, Houston: TXR05GD86, minor permit, permit term to August 13, 2026
  • 8825 MISSISSIPPI STREET, Houston: TXR05GE47, minor permit, permit term to August 13, 2026
  • A AND A METALS, Houston: TXRNEBJ94, minor permit, permit term to August 13, 2026
  • AEI RED BLUFF, Pasadena: TXRNECR17, minor permit, permit term to August 13, 2026
  • AES DEEPWATER COGENERATION PLA, Pasadena: TX0128830, minor permit, discharging to UNNAMED DITCH, VINCE BAYOU TIDAL PO, permit term to September 1, 2017

Identity

Facility as filedETHYL PLANT
Permittee as filedETHYL CORPORATION
NPDES IDTX0113450
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 13, 2018
Expiration dateAugust 13, 2023
AddressPasadena, TX 77503
Receiving waterHOUSTON SHIP CHANNEL
Receiving water impaired303(D) Listed
SubwatershedVince Bayou-Buffalo Bayou (HUC 120401040703)
SIC2869 – Industrial Organic Chemicals
Other EPA IDs (FRS)RCRA handler TXD008096158; ICIS-AIR source TX0000004820101434

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Oil & Grease174May 31, 2013253% over the limit
pH293May 31, 2021
Carbon, tot organic [TOC]141May 31, 20086% over the limit
Flow, in conduit or thru treatment plant120

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0113450.

Inspections

EPA’s inspection file holds no inspection for NPDES TX0113450.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TX0113450.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES TX0113450 for ETHYL PLANT in Pasadena, TX, held by ETHYL CORPORATION and discharging to Houston Ship Channel. The permit is listed as administratively continued and a minor discharger, with 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance. The permit's issue date was August 13, 2018 and its expiration date was August 13, 2023.