Clean Water Act discharge permit · NPDES TXR05HC92

OFFEN PETROLEUM, Sherman, TX: NPDES TXR05HC92 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

OFFEN PETROLEUM, held by Offen Petroleum, LLC, holds NPDES permit TXR05HC92. EPA’s file records it issued August 20, 2026 and expiring August 13, 2031. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for OFFEN PETROLEUM: its NPDES ID, its permit type and status, its dates, its address in Sherman, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR05HC92.

Identity

Facility as filed	OFFEN PETROLEUM
Permittee as filed	Offen Petroleum, LLC
NPDES ID	TXR05HC92
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	August 20, 2026
Expiration date	August 13, 2031
Address	Sherman, TX 75090
Subwatershed	Post Oak Creek (HUC 111401010102)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR05HC92.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR05HC92.

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, TXR05HC92.

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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 TXR05HC92 there.

Nearby on the register

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

The OFFEN PETROLEUM storm water industrial permit in Sherman, Texas, is one of 23 such permits in Grayson County on EPA's NPDES register, and it sits in the Post Oak Creek subwatershed, which holds 62 NPDES permits including this one. Of those 23 Grayson County storm water industrial permits, 4.3% have a violation on file, and 95.7% were issued before this one, while the permit records zero pollutants under a numeric limit and zero pollutants with an effluent exceedance.