Clean Water Act discharge permit · NPDES TX0003239

LINDE, Deer Park, TX: NPDES TX0003239 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
12Pollutants under a numeric limit
5Pollutants with an effluent exceedance

LINDE, held by LINDE INC, holds NPDES permit TX0003239, which discharges to Unnamed Ditch;East Fork Of Patrick Bayou. EPA’s file records it issued July 12, 2018 and expiring July 12, 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 filed	LINDE
Permittee as filed	LINDE INC
NPDES ID	TX0003239
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 12, 2018
Expiration date	July 12, 2023
Address	Deer Park, TX 77536
Receiving water	UNNAMED DITCH;EAST FORK OF PATRICK BAYOU
Receiving water impaired	303(D) Listed
Subwatershed	Vince Bayou-Buffalo Bayou (HUC 120401040703)
SIC	2813 – Industrial Gases
Other EPA IDs (FRS)	RCRA handler TXD008073421

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

12Pollutants on file
12Under a numeric limit
11With a violation of any kind
5With 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
Copper, total [as Cu]	4	59	54	April 30, 2026	99,999% over the limit
E. coli	2	8	6	January 31, 2026	399% over the limit
Oil & Grease	2	6	4	January 31, 2022	448% over the limit
Temperature, water deg. fahrenheit	2	4	2	June 30, 2012	7% over the limit
pH	2	4	2	January 31, 2025
BOD, 5-day, 20 deg. C	2	22	0
Flow, in conduit or thru treatment plant	4	6	0
Mercury, total [as Hg]	4	6	0
Oxygen demand, chem. [high level] [COD]	2	6	0
Solids, total suspended	2	4	0
Chlorine, total residual	2	4	0
Nickel, total [as Ni]	2	0	0

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

1Single-event violations

Date	What EPA recorded	Agency
November 12, 2025	Permit Violations - Violation Specified in Comment	ST6

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.

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, TX0003239.

Start the watch

How we handle your data → Privacy

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 TX0003239 there.

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 TX0003239 held by LINDE INC for its Deer Park, TX facility, which discharges to Unnamed Ditch;East Fork Of Patrick Bayou and is listed in subwatershed HUC 120401040703. The page lists 5 pollutants under a numeric limit and 5 pollutants with an effluent exceedance, and the permit is administratively continued as a Minor Discharger class permit.