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Clean Water Act discharge permit · NPDES TX0006084

DEER PARK FACILITY, Deer Park, TX: NPDES TX0006084 discharge permit, effluent exceedances, inspections, penalties

DEER PARK FACILITY, held by ROHM & HAAS TEXAS, INCORPORATE, holds NPDES permit TX0006084, which discharges to Houston Ship Channel;Tucker Bayou. EPA’s file records it issued January 19, 2018 and expiring January 19, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedDEER PARK FACILITY
Permittee as filedROHM & HAAS TEXAS, INCORPORATE
NPDES IDTX0006084
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 19, 2018
Expiration dateJanuary 19, 2021
AddressDeer Park, TX 77536
Receiving waterHOUSTON SHIP CHANNEL;TUCKER BAYOU
Receiving water impaired303(D) Listed
SubwatershedVince Bayou-Buffalo Bayou (HUC 120401040703)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

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; the 60 with the most exceedances of 98 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
BOD, 5-day, 20 deg. C75815July 31, 2025137% over the limit
pH126012January 31, 2024
Cyanide, free [amenable to chlorination]113110February 28, 2021454% over the limit
Copper, total [as Cu]8748July 31, 2024212% over the limit
Nitrogen, ammonia total [as N]7427July 31, 200552% over the limit
Zinc, total [as Zn]8416April 30, 201653% over the limit
Flow, in conduit or thru treatment plant9423July 31, 202555% over the limit
Solids, total suspended7353May 31, 200423% over the limit
Enterococci833October 31, 2025384% over the limit
Carbon, tot organic [TOC]3172January 31, 201088% over the limit
pH range excursions, > 60 minutes3152August 31, 20172,147,483,650% over the limit
Nickel, total [as Ni]8381February 29, 202095% over the limit
Cyanide, free [as free]0151June 30, 202517% over the limit
Temperature, water deg. fahrenheit041July 31, 20103% over the limit
Oxygen demand, chem. [high level] [COD]7360
Cyanide, total [as CN]5260
Oil & Grease4200
Pyrene6150
pH range excursions, monthly total accum3150
Hexachlorobenzene11140
Benzo[a]pyrene11130
Phenanthrene9130
Benzo[a]anthracene8130
Carbon tetrachloride6130
1,2-Dichloroethane6130
Chloroform6130
Toluene6130
Benzene6130
Acenaphthylene6130
Acenaphthene6130
Acrylonitrile6130
Anthracene6130
Benzo[b]fluoranthene6130
Benzo[k]fluoranthene6130
Chlorobenzene6130
Chrysene6130
Diethyl phthalate6130
Dimethyl phthalate6130
Ethylbenzene6130
Fluoranthene6130
Fluorene6130
Hexachlorobutadiene6130
Hexachloroethane6130
Methyl chloride [Chloromethane]6130
Methylene chloride6130
Nitrobenzene6130
Tetrachloroethylene6130
1,1-Dichloroethane6130
1,1-Dichloroethylene6130
1,1,1-Trichloroethane6130
1,1,2-Trichloroethane6130
1,2-Dichlorobenzene6130
1,2-Dichloropropane6130
trans-1,2-Dichloroethylene6130
1,2,4-Trichlorobenzene6130
1,3-Dichlorobenzene6130
1,4-Dichlorobenzene6130
2-Chlorophenol6130
2-Nitrophenol6130
2,4-Dichlorophenol6130

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

DateWhat EPA recordedAgency
February 15, 2022Permit Violations - Violation Specified in CommentST6

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 TX0006084 there.

Nearby on the register

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