Clean Water Act discharge permit · NPDES TXR05EW04

WARREN GULF COAST, Houston, TX: NPDES TXR05EW04 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
13Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

WARREN GULF COAST, held by Highline Aftermarket Acquisition, LLC, holds NPDES permit TXR05EW04. EPA’s file records it issued September 19, 2021 and expiring August 13, 2026.

WARREN GULF COAST, Houston, Texas: Coverage under a general permit TXR05EW04, held by Highline Aftermarket Acquisition, LLC; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued September 19, 2021, term to August 13, 2026; Petroleum Lubricating Oil and Grease Manufacturing.

Arsenic, total [as As]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Barium, total [as Ba]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Cadmium, total [as Cd]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Chromium, total [as Cr]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Copper, total [as Cu]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Lead, total [as Pb]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Manganese, total [as Mn]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Nickel, total [as Ni]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Silver, total [as Ag]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Zinc, total [as Zn]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Selenium, total [as Se]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Mercury, total [as Hg]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
E. coli: 2 limits, 0 violations of any kind, 0 effluent exceedances.

Texas holds 8,480 Industrial stormwater coverages of this permit type in EPA’s file; 864 were issued before TXR05EW04.

Coverages issued nearest TXR05EW04

September 17, 2021: CITY OF JARRELL, Jarrell, TXR05EZ98, held by City of Jarrell
September 17, 2021: PLAINS CREAMERY, Amarillo, TXRNEBP39, held by Plains Dairy, L.L.C.
September 17, 2021: GROWTH HOLDINGS DBA SIGNATURE MILLWORK, Dallas, TXRNEBP40, held by Growth Holdings, LLC
September 17, 2021: ZYKLUS HEAT TRANSFER, Jacksonville, TXRNEBP41, held by Zyklus Heat Transfer, Inc.
September 17, 2021: MF PROFESSIONAL METAL FINISHING, Houston, TXRNEW374, held by AGUILAR, MIGUEL A. DBA M.F. PROFESSIONAL METAL FINISHING CO.
September 19, 2021: TOWER SEMICONDUCTOR SAN ANTONIO, San Antonio, TXR05EZ99, held by Tower Semiconductor San Antonio, Inc.
September 20, 2021: THRASHER SAND AND GRAVEL, Lubbock, TXR05EP47, held by Thrasher, Inc.
September 20, 2021: MONTERREY CAR & TRUCK AUTO SALVAGE, Houston, TXR05FA03, held by 1963 Mctap LLC Dba Monterrey Car & Truck Auto Salvage
September 20, 2021: KONE, Allen, TXRNEAI85, held by Kone Inc.
September 20, 2021: LEAR GRAND PRAIRIE, Grand Prairie, TXRNEBI69, held by Lear Corporation

WARREN GULF COAST among its neighbors

EPA’s permit file holds 181 discharge permits in the Upper Greens Bayou subwatershed (HUC 120401040603), TXR05EW04 among them. Its county holds 4,455, 195 of them major permits; TXR05EW04 is a minor permit.

Other permits in the Upper Greens Bayou subwatershed (HUC 120401040603)

3S-SUPERIOR SEALING SERVICES, Houston: TXRNECF70, minor permit, permit term to August 13, 2026
6410 WINFIELD RD, Houston: TXR1550VH, minor permit, discharging to GREENS BAYOU, permit term to March 4, 2028
7515 RANKIN RD, Humble: TXR1506YI, minor permit, discharging to HALLS BAYOU, permit term to March 4, 2028
ACC HOU - PINAFORE, Houston: TXR05GR38, minor permit, permit term to August 13, 2026
ACCUWELD, Houston: TXRNEBO60, minor permit, permit term to August 13, 2026
AIRTEX CBP, Houston: TXG111552, minor permit, discharging to GREENS BAYOU, permit term to November 7, 2021
ALD WEST II, Houston: TXR1559YE, minor permit, discharging to HOODS BAYOU, permit term to March 4, 2028
ALDINE FOREST WWTP, Houston: TX0069582, minor permit, discharging to HCFCD P138-00-00;GREENS BAYOU ABOVE TIDAL, permit term to December 1, 2022
ALDINE ISD CHRISMAN RD WTP, Houston: TX0094188, minor permit, discharging to HARRIS COUNTY CDC P138-00-00;GREENS BAYOU, permit term to December 1, 2022
ALDINE JUNIOR HIGH SCHOOL WWTP, Houston: TX0078808, minor permit, discharging to SAN JACINTO RIVER BASIN, permit term to December 1, 2014

What the register holds for WARREN GULF COAST: its NPDES ID, its permit type and status, its dates, its address in Houston, Texas, and 13 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR05EW04.

Identity

Facility as filed	WARREN GULF COAST
Permittee as filed	Highline Aftermarket Acquisition, LLC
NPDES ID	TXR05EW04
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	September 19, 2021
Expiration date	August 13, 2026
Address	Houston, TX 77073
Subwatershed	Upper Greens Bayou (HUC 120401040603)
NAICS	324191 – Petroleum Lubricating Oil and Grease Manufacturing
SIC	2992 – Lubricating Oils And Greases

Effluent limits and exceedances

13Pollutants on file
13Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Arsenic, total [as As]	3	0	0
Barium, total [as Ba]	3	0	0
Cadmium, total [as Cd]	3	0	0
Chromium, total [as Cr]	3	0	0
Copper, total [as Cu]	3	0	0
Lead, total [as Pb]	3	0	0
Manganese, total [as Mn]	3	0	0
Nickel, total [as Ni]	3	0	0
Silver, total [as Ag]	3	0	0
Zinc, total [as Zn]	3	0	0
Selenium, total [as Se]	3	0	0
Mercury, total [as Hg]	3	0	0
E. coli	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXR05EW04.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR05EW04.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR05EW04.

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 TXR05EW04.

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Nearby on the register

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

This public-records page covers the Clean Water Act NPDES discharge permit TXR05EW04 for WARREN GULF COAST in Houston, Texas, held by Highline Aftermarket Acquisition, LLC, under an industrial stormwater program. The permit is listed as administratively continued, with 13 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.