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Clean Water Act discharge permit · NPDES TX0104515

BIG SPRING REFINERY, Big Spring, TX: NPDES TX0104515 discharge permit, effluent exceedances, inspections, penalties

BIG SPRING REFINERY, held by ALON USA LP, holds NPDES permit TX0104515, which discharges to I-20 Lake Beals Ck;Oilfield Waterflood Op. EPA’s file records it issued August 31, 2016 and expiring December 1, 2020. 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 filedBIG SPRING REFINERY
Permittee as filedALON USA LP
NPDES IDTX0104515
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 31, 2016
Expiration dateDecember 1, 2020
AddressBig Spring, TX 79720
Receiving waterI-20 LAKE BEALS CK;OILFIELD WATERFLOOD OP
SubwatershedSandy Hollow-Beals Creek (HUC 120800070103)
Other EPA IDs (FRS)RCRA handler TXD008013468; ICIS-AIR source TX0000004822700001

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

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
Sulfide, total [as S]74925March 31, 20251,143% over the limit
pH106921April 30, 2020
Whole effluent toxicity65217March 31, 201599,999% over the limit
Solids, total suspended74016July 31, 20261,031% over the limit
BOD, 5-day, 20 deg. C53616March 31, 2025242% over the limit
Oxygen demand, chem. [high level] [COD]73410July 31, 2026588% over the limit
Phenolics, total recoverable7339April 30, 20204,196% over the limit
Oil & Grease7337July 31, 2026460% over the limit
Phenolic compounds, total077July 31, 20263,613% over the limit
Cyanide, total [as CN]3126July 31, 2015203% over the limit
Nitrogen, ammonia total [as N]7295September 30, 2024313% over the limit
E. coli4115February 29, 2020507% over the limit
BOD, carbonaceous [5 day, 20 C]273July 31, 2015127% over the limit
Flow, in conduit or thru treatment plant10681April 30, 20114% over the limit
Chromium, hexavalent [as Cr]7240
Chromium, total [as Cr]7240
LF Pass/Fail Static Renewal 48Hr Acute Daphnia magna0140
NOEC Lethal Static Renewal 48HR Acute Daphnia magna0140
Selenium, total [as Se]1120
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas2100
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas2100
Arsenic, total [as As]0100
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas260
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas160
Chloride [as Cl]250
Sulfate, total [as SO4]250
Solids, total dissolved250
Daphnia magna survival 24 Hr Acute WET040
Oxygen, dissolved [DO]130
LC50 Pass/Fail Static 24Hr Acute D. Pulex120
Whole effluent toxicity - retest #1300
Whole effluent toxicity - retest #2300
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex200
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex200
LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex200

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

DateWhat EPA recordedAgency
May 9, 2019Permit Violations - Violation Specified in CommentST6

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.

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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 TX0104515 there.

Nearby on the register

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

What this page shows

This page is a Velarion Records entry for NPDES permit TX0104515, held by ALON USA LP for BIG SPRING REFINERY in Big Spring, TX, discharging to I-20 LAKE BEALS CK;OILFIELD WATERFLOOD OP within subwatershed HUC 120800070103. The permit is listed as administratively continued and a major discharger, with 30 pollutants under a numeric limit and 14 pollutants with an effluent exceedance.