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Clean Water Act discharge permit · NPDES TX0084581

AIR PRODUCTS PASADENA PLANT, Pasadena, TX: NPDES TX0084581 discharge permit, effluent exceedances, inspections, penalties

AIR PRODUCTS PASADENA PLANT, held by AIR PRODUCTS, LLC., holds NPDES permit TX0084581, which discharges to 2 Underground Culverts,Hcfcd G-110-. EPA’s file records it issued September 2, 2011 and expiring September 1, 2016.

AIR PRODUCTS PASADENA PLANT, Pasadena, Texas: Individual permit TX0084581, held by AIR PRODUCTS, LLC.; Administratively continued (past its expiration date and still in force until reissued); issued September 2, 2011, term to September 1, 2016; discharges to 2 UNDERGROUND CULVERTS,HCFCD G-110-.

  • pH: 4 limits, 29 violations of any kind, 3 effluent exceedances, latest June 30, 2023.
  • Carbon, tot organic [TOC]: 2 limits, 13 violations of any kind, 2 effluent exceedances, latest August 31, 2021, largest 50% over the limit.
  • Flow, in conduit or thru treatment plant: 4 limits, 22 violations of any kind, 0 effluent exceedances.
  • Oil & Grease: 2 limits, 11 violations of any kind, 0 effluent exceedances.
  • January 23, 2023: Permit Violations - Violation Specified in Comment (ST6).

AIR PRODUCTS PASADENA PLANT among its neighbors

EPA’s permit file holds 301 discharge permits in the Vince Bayou-Buffalo Bayou subwatershed (HUC 120401040703), TX0084581 among them. Its county holds 4,455, 195 of them major permits; TX0084581 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 filedAIR PRODUCTS PASADENA PLANT
Permittee as filedAIR PRODUCTS, LLC.
NPDES IDTX0084581
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
IssuedSeptember 2, 2011
Expiration dateSeptember 1, 2016
AddressPasadena, TX 77506
Receiving water2 UNDERGROUND CULVERTS,HCFCD G-110-
SubwatershedVince Bayou-Buffalo Bayou (HUC 120401040703)
SIC2869 – Industrial Organic Chemicals
Other EPA IDs (FRS)RCRA handler TXD990757486; ICIS-AIR source TX0000004820100176

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
pH4293June 30, 2023
Carbon, tot organic [TOC]2132August 31, 202150% over the limit
Flow, in conduit or thru treatment plant4220
Oil & Grease2110

Inspections, violations and enforcement

DateWhat EPA recordedAgency
January 23, 2023Permit Violations - Violation Specified in CommentST6

Inspections

EPA’s inspection file holds no inspection for NPDES TX0084581.

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 TX0084581.

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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 NPDES permit TX0084581, held by AIR PRODUCTS, LLC. for the AIR PRODUCTS PASADENA PLANT in Pasadena, TX, which discharges to 2 UNDERGROUND CULVERTS,HCFCD G-110- within the Vince Bayou-Buffalo Bayou (HUC 120401040703) subwatershed. The permit is listed as a Minor discharger, administratively continued, with 2 pollutants under a numeric limit and 2 pollutants with an effluent exceedance.