Clean Water Act discharge permit · NPDES TXR05FR67

EQUISTAR MATAGORDA PLANT, Bay City, TX: NPDES TXR05FR67 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
12Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

EQUISTAR MATAGORDA PLANT, held by Equistar Chemicals, LP, holds NPDES permit TXR05FR67. EPA’s file records it issued May 20, 2022 and expiring August 13, 2026.

EQUISTAR MATAGORDA PLANT, Bay City, Texas: Coverage under a general permit TXR05FR67, held by Equistar Chemicals, LP; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued May 20, 2022, term to August 13, 2026.

Zinc, total [as Zn]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Arsenic, total [as As]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Barium, total [as Ba]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Cadmium, total [as Cd]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Chromium, total [as Cr]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Copper, total [as Cu]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Lead, total [as Pb]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Manganese, total [as Mn]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Nickel, total [as Ni]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Silver, total [as Ag]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Selenium, total [as Se]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Mercury, total [as Hg]: 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; 3,203 were issued before TXR05FR67. Equistar Chemicals, LP holds 5 permits in Texas.

Other permits held by Equistar Chemicals, LP

EQUISTAR CHEMICALS MANSFIELD, Mansfield: TXR05EW40, issued September 23, 2021
LYONDELLBASELL BAYPORT POLYMERS, Pasadena: TXR05FB62, issued October 13, 2021
EQUISTAR CHEMICALS LA PORTE COMPLEX, La Porte: TXR15900L, issued May 1, 2018
EQUISTAR CHEMICALS FORMER CRAY VALLEY PROPERTY, Houston: TXRNECE86, issued September 14, 2023

Coverages issued nearest TXR05FR67

May 18, 2022: YI FENG LU, Houston, TXRNEBW91, held by East Signs Houston L.L.C.
May 19, 2022: J & M AUTO RECYCLING, Laredo, TXR05FR64, held by J & M Auto Recycling
May 19, 2022: ACE AUTO RECYCLERS, Fort Worth, TXR05FR65, held by Parwana, Inc.
May 19, 2022: STARK JONES CREEK PIT, Brazoria, TXR05FR66, held by Southern Gulf Solutions, L.L.C.
May 19, 2022: DFW REMODELING QAND CONSTRUCTION, Garland, TXRNEBW92, held by Dfw R And C LLC
May 20, 2022: JB STONE QUARRY, Geogetown, TXR05FR68, held by ESPINOZA, BERNARDO
May 20, 2022: PAPPYS SAND & GRAVEL, Scurry, TXR05FR69, held by Pappy's Sand & Gravel, Inc.
May 20, 2022: MARFIELD, Carrollton, TXRNEBW94, held by MARFIELD, INC.
May 20, 2022: TEXAS C&M RECYCLING, Houston, TXRNEBW95, held by Jose Villatoro
May 23, 2022: IMPERIAL GROUP MANUFACTURING, Decatur, TXR05FR70, held by Imperial Group Manufacturing, Inc.

EQUISTAR MATAGORDA PLANT among its neighbors

EPA’s permit file holds 12 discharge permits in the Colorado River-Gulf of Mexico subwatershed (HUC 120903020207), TXR05FR67 among them.

Other permits in the Colorado River-Gulf of Mexico subwatershed (HUC 120903020207)

AUSTIN COLONY SUBDIVISION WWTP, Matagorda: TX0135810, minor permit, permit term to December 1, 2019
BAY CITY LMA, Bay City: TX0140520, minor permit, discharging to Colorado River Tidal, permit term to May 24, 2026
BAY CITY LMA, Bay City: TXR05EZ46, minor permit, permit term to August 13, 2026
DUFFY BESS AND SUBSTATION, Bay City: TXR1593WQ, minor permit, discharging to WILSON CREEK, permit term to March 4, 2028
DUFFY BESS AND SUBSTATION ACCESS ROAD, Bay City: TXR1501WK, minor permit, discharging to WILSON CREEK, permit term to March 4, 2028
MATAGORDA BAY NATURE PARK AND PRESERVE WWTP, Matagorda: TX0125521, minor permit, discharging to OLD COLORADO RIVER CHANNEL, GULF OF MEXICO, permit term to March 17, 2025
OQ CHEMICALS, Bay City: TXR05V929, minor permit, permit term to August 13, 2026
OXEA BAY CITY PLANT, Bay City: TX0006017, major permit, discharging to UNDERGROUND PIPE COLORADO RIVER, permit term to December 1, 2019
ROEHM AMERICA BAY CITY SITE, Bay City: TXR1526LZ, minor permit, discharging to COLORADO RIVER TIDAL, permit term to March 5, 2023
SOUTH TEXAS PRJOECT ELECTRIC GENERATING STATION, Bay City: TX0064947, major permit, discharging to COLORADO RIVER;PLANT AREA DRAINAGE DITCH, permit term to February 21, 2025

What the register holds for EQUISTAR MATAGORDA PLANT: its NPDES ID, its permit type and status, its dates, its address in Bay City, Texas, and 12 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR05FR67.

Identity

Facility as filed	EQUISTAR MATAGORDA PLANT
Permittee as filed	Equistar Chemicals, LP
NPDES ID	TXR05FR67
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	May 20, 2022
Expiration date	August 13, 2026
Address	Bay City, TX 77414
Subwatershed	Colorado River-Gulf of Mexico (HUC 120903020207)

Effluent limits and exceedances

12Pollutants on file
12Under 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
Zinc, total [as Zn]	4	0	0
Arsenic, total [as As]	2	0	0
Barium, total [as Ba]	2	0	0
Cadmium, total [as Cd]	2	0	0
Chromium, total [as Cr]	2	0	0
Copper, total [as Cu]	2	0	0
Lead, total [as Pb]	2	0	0
Manganese, total [as Mn]	2	0	0
Nickel, total [as Ni]	2	0	0
Silver, total [as Ag]	2	0	0
Selenium, total [as Se]	2	0	0
Mercury, total [as Hg]	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXR05FR67.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR05FR67.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR05FR67.

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 TXR05FR67.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit TXR05FR67 for EQUISTAR MATAGORDA PLANT in Bay City, TX, held by Equistar Chemicals, LP, under an industrial stormwater program and listed as administratively continued. The page lists 12 pollutants under a numeric limit and records no effluent exceedance or violation for this permit.