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Clean Water Act discharge permit · NPDES UT0000124

WESTERN ENERGY OPERATING, LLC-USA PAN AMERICAN FACILITY, Vernal, UT: NPDES UT0000124 discharge permit, effluent exceedances, inspections, penalties

WESTERN ENERGY OPERATING, LLC-USA PAN AMERICAN FACILITY, held by Western Energy Operating, LLC-USA Pan American Facility, holds NPDES permit UT0000124, which discharges to Big Wash Trib To Green River & Colorado River. EPA’s file records it issued November 10, 2003 and expiring April 30, 2009. 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.

Identity

Facility as filedWESTERN ENERGY OPERATING, LLC-USA PAN AMERICAN FACILITY
Permittee as filedWestern Energy Operating, LLC-USA Pan American Facility
NPDES IDUT0000124
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedNovember 10, 2003
Expiration dateApril 30, 2009
Issuing agencyUtah DEQ Division of Water Quality
AddressVernal, UT 80290
Receiving waterBig Wash Trib to Green River & Colorado River
Receiving water impaired303(D) Listed
SubwatershedMantle Gulch-Ashley Creek (HUC 140600020304)

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

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
BOD, 5-day, 20 deg. C2464September 30, 200932% over the limit
Oil & Grease1242June 30, 2008500% over the limit
pH2431September 30, 2009
Oil and grease visual1221January 31, 200199,999% over the limit
Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas161September 30, 2007
Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia131June 30, 2007
Solids, total suspended2420
Flow, in conduit or thru treatment plant2420
Solids, total dissolved1210

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES UT0000124.

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, UT0000124.

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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 UT0000124 there.

Nearby on the register

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