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Clean Water Act discharge permit · NPDES TX0101109

OIL STATES INDUSTRIES WWTP, Houston, TX: NPDES TX0101109 discharge permit, effluent exceedances, inspections, penalties

OIL STATES INDUSTRIES WWTP, held by OIL STATES INDUSTRIES INC, holds NPDES permit TX0101109, which discharges to Houston Ship Channel Tidal. EPA’s file records it issued July 13, 2018 and expiring July 13, 2023. 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.

Identity

Facility as filedOIL STATES INDUSTRIES WWTP
Permittee as filedOIL STATES INDUSTRIES INC
NPDES IDTX0101109
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
IssuedJuly 13, 2018
Expiration dateJuly 13, 2023
AddressHouston, TX 77015
Receiving waterHOUSTON SHIP CHANNEL TIDAL
Receiving water impaired303(D) Listed
SubwatershedVince Bayou-Buffalo Bayou (HUC 120401040703)
SIC3511 – Turbines And Turbine Generator Sets
Other EPA IDs (FRS)RCRA handler TXD987989159

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

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
Solids, total suspended323216July 31, 2024121% over the limit
Enterococci242January 31, 2024114% over the limit
Flow, in conduit or thru treatment plant21071August 31, 200840% over the limit
BOD, carbonaceous [5 day, 20 C]32180
Nitrogen, ammonia total [as N]31620
pH31090
Chlorine, total residual21080
Oxygen, dissolved [DO]1540
Arsenic, dry weight550
Chromium, sludge, total, dry weight [as Cr]550
Selenium, dry weight330
Copper, dry weight330
Cadmium, dry weight330
Molybdenum, sludge, total, dry weight [as Mo]330
Zinc, sludge, total, dry weight [as Zn]330
Lead, sludge, total, dry weight [as Pb]330
Nickel, sludge, total, dry weight [as Ni]330
Mercury, sludge, total, dry weight [as Hg]330
Polychlorinated biphenyls [PCBs]130
Toxicity characteristic leaching procedure130
Ann. amt sludge disposed by other method130
Annual amt of sludge incinerated130
Annual sludge production, total130
Annual amount of sludge land applied130
Annual amt. sludge disposed surface unit130
Annual amt sludge disposed in landfill130
Annual amt sludge transported interstate130
Nickel, total [as Ni]220
Level of pathogen requirements achieved220
Description of pathogen option used220
Vector attraction reduction alternative used220
Fecal coliform110
Unit w/liner/leachate collection system110
Compliance w/part 258 sludge requirement110
Boundary areas110
Salmonella110
Pollutant table from 503.13110
Annual whole sludge application rate100

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 TX0101109.

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 TX0101109 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 Clean Water Act discharge permit NPDES TX0101109 for the OIL STATES INDUSTRIES WWTP in Houston, TX, held by OIL STATES INDUSTRIES INC, which discharges to Houston Ship Channel Tidal and sits in the Vince Bayou-Buffalo Bayou (HUC 120401040703) subwatershed. The figures listed are 38 for the discharger class, 3 pollutants under a numeric limit, and 3 pollutants with an effluent exceedance, with the permit shown as administratively continued.