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Clean Water Act discharge permit · NPDES TXR05FC36

NOURYON SURFACE CHEMISTRY, Houston, TX: NPDES TXR05FC36 discharge permit, effluent exceedances, inspections, penalties

NOURYON SURFACE CHEMISTRY, held by Nouryon Surface Chemistry LLC, holds NPDES permit TXR05FC36. EPA’s file records it issued October 25, 2021 and expiring August 13, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for NOURYON SURFACE CHEMISTRY: its NPDES ID, its permit type and status, its dates, its address in Houston, Texas, and 12 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR05FC36.

Identity

Facility as filedNOURYON SURFACE CHEMISTRY
Permittee as filedNouryon Surface Chemistry LLC
NPDES IDTXR05FC36
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedOctober 25, 2021
Expiration dateAugust 13, 2026
AddressHouston, TX 77053
Receiving water impaired303(D) Listed
SubwatershedClear Creek-Frontal Galveston Bay (HUC 120402040100)
NAICS325613 – Surface Active Agent Manufacturing
SIC2869 – Industrial Organic Chemicals

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Arsenic, total [as As]100
Barium, total [as Ba]100
Cadmium, total [as Cd]100
Chromium, total [as Cr]100
Copper, total [as Cu]100
Lead, total [as Pb]100
Manganese, total [as Mn]100
Nickel, total [as Ni]100
Silver, total [as Ag]100
Zinc, total [as Zn]100
Selenium, total [as Se]100
Mercury, total [as Hg]100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXR05FC36.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR05FC36.

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 TXR05FC36 there.

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 TXR05FC36, held by Nouryon Surface Chemistry LLC for the NOURYON SURFACE CHEMISTRY facility in Houston, TX, under an industrial stormwater program with an administratively continued status. The register lists 12 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and EPA's effluent and single-event violation files show no violation for this permit.