Clean Water Act discharge permit · NPDES TX0137413

USALCO FACILITY, La Porte, TX: NPDES TX0137413 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
5Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

USALCO FACILITY, held by G2O TECHNOLOGIES INC, holds NPDES permit TX0137413, which discharges to Rr Ditch;Unnamed Trib Of San Jacinto Bay. EPA’s file records it issued July 6, 2017 and expiring October 1, 2020.

USALCO FACILITY, La Porte, Texas: Individual permit TX0137413, held by G2O TECHNOLOGIES INC; Administratively continued (past its expiration date and still in force until reissued); issued July 6, 2017, term to October 1, 2020; discharges to RR DITCH;UNNAMED TRIB OF SAN JACINTO BAY.

Solids, total suspended: 2 limits, 8 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Oil and grease, per 1000 gallons: 1 limit, 3 violations of any kind, 0 effluent exceedances.
Carbon, tot organic [TOC]: 1 limit, 3 violations of any kind, 0 effluent exceedances.

August 11, 2026: Phone Call/ EMAIL (State).
June 9, 2026: Phone Call/ EMAIL (State).
February 24, 2022: Permit Violations - Violation Specified in Comment (ST6).

USALCO FACILITY among its neighbors

EPA’s permit file holds 112 discharge permits in the Goose Creek-Frontal Galveston Bay subwatershed (HUC 120401040706), TX0137413 among them. Its county holds 4,455, 195 of them major permits; TX0137413 is a minor permit.

Other permits in the Goose Creek-Frontal Galveston Bay subwatershed (HUC 120401040706)

AIR LIQUIDE BAYTOWN ASU FACILITY, Baytown: TXR1583VZ, minor permit, discharging to BURNET BAY, permit term to March 4, 2028
AIR PRODUCTS LA PORTE PLANT, La Porte: TX0004944, minor permit, discharging to DRAINAGE DITCH;HCFCD F103-00-00;SAN JACINTO BAY, permit term to July 12, 2023
AIR PRODUCTS LA PORTE PLANT, La Porte: TXR1595PW, minor permit, permit term to March 4, 2028
AIRGAS DRY ICE FACILITY, La Porte: TX0136638, minor permit, discharging to San Jacinto Bay, permit term to March 31, 2024
BARBOURS CUT TERMINAL, La Porte: TXR05GM41, minor permit, permit term to August 13, 2026
BATTLEGROUND CHLOR ALKALI PLANT, La Porte: TX0008150, major permit, discharging to SEG 1005 SAN JACINTO RIVER BASIN, permit term to July 1, 2020
BATTLEGROUND ROAD FACILITY, La Porte: TX0077585, minor permit, discharging to DRAINAGE DITCH;TIDAL RD;TUCKER BAYO, permit term to May 1, 2013
BAYTOWN ACE INDUSTRIAL SERVICES, Baytown: TXR05FO27, minor permit, permit term to August 13, 2026
BAYTOWN CENTRAL, Baytown: TXR1557NT, minor permit, discharging to CARY BAYOU, permit term to March 4, 2028
BAYTOWN FIRE STATION NO 2, Baytown: TXR1552XS, minor permit, discharging to GOOSE CREEK TIDAL, permit term to March 4, 2028

Identity

Facility as filed	USALCO FACILITY
Permittee as filed	G2O TECHNOLOGIES INC
NPDES ID	TX0137413
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	July 6, 2017
Expiration date	October 1, 2020
Address	La Porte, TX 77571
Receiving water	RR DITCH;UNNAMED TRIB OF SAN JACINTO BAY
Subwatershed	Goose Creek-Frontal Galveston Bay (HUC 120401040706)

Effluent limits and exceedances

5Pollutants on file
5Under a numeric limit
5With 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
Solids, total suspended	2	8
pH	2	6
Flow, in conduit or thru treatment plant	2	4
Oil and grease, per 1000 gallons	1	3
Carbon, tot organic [TOC]	1	3

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TX0137413.

Inspections, violations and enforcement

1Single-event violations

Date	What EPA recorded	Agency
February 24, 2022	Permit Violations - Violation Specified in Comment	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES TX0137413.

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

Date	What EPA recorded	Agency
August 11, 2026	Phone Call/ EMAIL	State
June 9, 2026	Phone Call/ EMAIL	State

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TX0137413.

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Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES TX0137413, held by G2O TECHNOLOGIES INC for the USALCO FACILITY in La Porte, TX, which discharges to RR DITCH;UNNAMED TRIB OF SAN JACINTO BAY in the Goose Creek-Frontal Galveston Bay subwatershed (HUC 120401040706). The permit is listed as a minor discharger, administratively continued, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance. The file lists 5 pollutants on file, 5 under a numeric limit, and 5 with a violation of any kind.