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Alon USA LP

Petroleum Refining, major discharger, Big Spring, Texas. NPDES permit TX0104515 expired Jun 18, 2026; its limits still apply. Last 12 months: over a limit 24 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (4 values), outfall 002 form A monthly (25 values), outfall 003 form A monthly (4 values), outfall 101 form A monthly (43 values), outfall 103 form A monthly (18 values), outfall TX2 form Q quarterly (20 values), and 1 more form
Last report on file
September 2026
Oct 2024 – Sep 2025
23 values over a limit, 0 required values missing, 0 of 66 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 24 values over a limit
Period endingParameterReportedLimitOver by
July 2026Oil & Grease, daily average214 lb/d≤ 129 lb/d66%
July 2026Oil & Grease, daily maximum744 lb/d≤ 242 lb/d207%
July 2026Oxygen demand, chem. [high level] [COD], daily average5756 lb/d≤ 3084 lb/d87%
July 2026Oxygen demand, chem. [high level] [COD], daily maximum40946 lb/d≤ 5951 lb/d588%
July 2026Phenolic compounds, total, daily average26.68 lb/d≤ 2 lb/d1234%
July 2026Phenolic compounds, total, daily maximum222.8 lb/d≤ 6 lb/d3613%
July 2026Solids, total suspended, daily average929 lb/d≤ 405 lb/d129%
July 2026Solids, total suspended, daily maximum7445 lb/d≤ 658 lb/d1031%
August 2026BOD, 5-day, 20 deg. C, daily average2198 lb/d≤ 471 lb/d367%
August 2026BOD, 5-day, 20 deg. C, daily maximum9831 lb/d≤ 853 lb/d1053%
August 2026E. coli, daily average1200.5 MPN/100mL≤ 126 MPN/100mL853%
August 2026E. coli, daily maximum2400 MPN/100mL≤ 399 MPN/100mL502%
August 2026Nitrogen, ammonia total [as N], daily average292 lb/d≤ 232 lb/d26%
August 2026Oil & Grease, daily average4933 lb/d≤ 129 lb/d3724%
August 2026Oil & Grease, daily maximum30015 lb/d≤ 242 lb/d12303%
August 2026Oxygen demand, chem. [high level] [COD], daily average41753 lb/d≤ 3084 lb/d1254%
August 2026Oxygen demand, chem. [high level] [COD], daily maximum301780 lb/d≤ 5951 lb/d4971%
August 2026Phenolic compounds, total, daily average5.27 lb/d≤ 2 lb/d164%
August 2026Phenolic compounds, total, daily maximum22.42 lb/d≤ 6 lb/d274%
August 2026Solids, total suspended, daily average7221 lb/d≤ 405 lb/d1683%
August 2026Solids, total suspended, daily maximum35708 lb/d≤ 658 lb/d5327%
August 2026Sulfide, total [as S], daily average3.1 lb/d≤ 2.2 lb/d41%
August 2026Sulfide, total [as S], daily maximum6.68 lb/d≤ 5 lb/d34%
September 2026Oil & Grease, daily maximum290 lb/d≤ 242 lb/d20%

Limits in force (120)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Oxygen, dissolved [DO]minimumreport only (mg/L)all year002
Oxygen demand, chem. [high level] [COD]daily average≤ 302 mg/Lall year002
Oxygen demand, chem. [high level] [COD]daily maximum≤ 604 mg/Lall year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendeddaily average≤ 39.6 mg/Lall year002
Solids, total suspendeddaily maximum≤ 79.3 mg/Lall year002
Oil & Greasedaily average≤ 12.6 mg/Lall year002
Oil & Greasedaily maximum≤ 25.2 mg/Lall year002
Nitrogen, ammonia total [as N]daily average≤ 4 mg/Lall year002
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/Lall year002
Sulfide, total [as S]daily average≤ .215 mg/Lall year002
Sulfide, total [as S]daily maximum≤ .43 mg/Lall year002
Chromium, hexavalent [as Cr]daily average≤ .0123 mg/Lall year002
Chromium, hexavalent [as Cr]daily maximum≤ .026 mg/Lall year002
Chromium, total [as Cr]daily average≤ .195 mg/Lall year002
Chromium, total [as Cr]daily maximum≤ .391 mg/Lall year002
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Cyanide, free availabledaily average≤ .0358 mg/Lall year002
Cyanide, free availabledaily maximum≤ .0759 mg/Lall year002
Phenolic compounds, totaldaily average≤ .195 mg/Lall year002
Phenolic compounds, totaldaily maximum≤ .39 mg/Lall year002
BOD, carbonaceous [5 day, 20 C]daily average≤ 15 mg/Lall year002
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 30 mg/Lall year002
pHminimum≥ 6 SUall year003
pHmaximum≤ 9 SUall year003
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
BOD, 5-day, 20 deg. Cdaily averagereport only (mg/L)all year101
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year101
BOD, 5-day, 20 deg. Cdaily average≤ 471 lb/dall year101
BOD, 5-day, 20 deg. Cdaily maximum≤ 853 lb/dall year101
Oxygen demand, chem. [high level] [COD]daily averagereport only (mg/L)all year101
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year101
Oxygen demand, chem. [high level] [COD]daily average≤ 3084 lb/dall year101
Oxygen demand, chem. [high level] [COD]daily maximum≤ 5951 lb/dall year101
pHminimum≥ 6 SUall year101
pHmaximum≤ 9 SUall year101
Solids, total suspendeddaily averagereport only (mg/L)all year101
Solids, total suspendeddaily maximumreport only (mg/L)all year101
Solids, total suspendeddaily average≤ 405 lb/dall year101
Solids, total suspendeddaily maximum≤ 658 lb/dall year101
Oil & Greasedaily averagereport only (mg/L)all year101
Oil & Greasedaily maximumreport only (mg/L)all year101
Oil & Greasedaily average≤ 129 lb/dall year101
Oil & Greasedaily maximum≤ 242 lb/dall year101
Nitrogen, ammonia total [as N]daily minimumreport only (mg/L)all year101
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year101
Nitrogen, ammonia total [as N]daily average≤ 232 lb/dall year101
Nitrogen, ammonia total [as N]daily maximum≤ 511 lb/dall year101
Sulfide, total [as S]daily averagereport only (mg/L)all year101
Sulfide, total [as S]daily maximumreport only (mg/L)all year101
Sulfide, total [as S]daily average≤ 2.2 lb/dall year101
Sulfide, total [as S]daily maximum≤ 5 lb/dall year101
Chromium, hexavalent [as Cr]daily averagereport only (mg/L)all year101
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all year101
Chromium, hexavalent [as Cr]daily average≤ .2 lb/dall year101
Chromium, hexavalent [as Cr]daily maximum≤ .5 lb/dall year101
Chromium, total [as Cr]daily averagereport only (mg/L)all year101
Chromium, total [as Cr]daily maximumreport only (mg/L)all year101
Chromium, total [as Cr]daily average≤ 2 lb/dall year101
Chromium, total [as Cr]daily maximum≤ 7 lb/dall year101
Flow, in conduit or thru treatment plantdaily average≤ 1.224 MGDall year101
Flow, in conduit or thru treatment plantdaily maximum≤ 2.016 MGDall year101
Chlorine, total residualinstantaneous maximum≤ 4 mg/Lall year101
E. colidaily average≤ 126 MPN/100mLall year101
E. colidaily maximum≤ 399 MPN/100mLall year101
Phenolic compounds, totaldaily averagereport only (mg/L)all year101
Phenolic compounds, totaldaily maximumreport only (mg/L)all year101
Phenolic compounds, totaldaily average≤ 2 lb/dall year101
Phenolic compounds, totaldaily maximum≤ 6 lb/dall year101
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year103
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year103
pHminimum≥ 6 SUall year103
pHmaximum≤ 9 SUall year103
Solids, total suspendeddaily maximumreport only (mg/L)all year103
Oil & Greasedaily maximumreport only (mg/L)all year103
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year103
Sulfide, total [as S]daily maximumreport only (mg/L)all year103
Chloride [as Cl]daily maximumreport only (mg/L)all year103
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year103
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all year103
Chromium, total [as Cr]daily maximumreport only (mg/L)all year103
Selenium, total [as Se]daily maximumreport only (mg/L)all year103
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year103
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year103
Cyanide, free availabledaily maximumreport only (mg/L)all year103
Phenolic compounds, totaldaily maximumreport only (mg/L)all year103
Solids, total dissolveddaily maximumreport only (mg/L)all year103
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all yearTX2
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all yearTX2
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all yearTX2
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all yearTX2
Whole Effluent Toxicity [WET] - P. promelas48-hour minimum≥ 60 %all yearTX2
Whole Effluent Toxicity [WET] - P. promelasmonthly average minimum≥ 60 %all yearTX2
Whole Effluent Toxicity [WET] - D. magna48-hour minimum≥ 60 %all yearTX2
Whole Effluent Toxicity [WET] - D. magnamonthly average minimum≥ 60 %all yearTX2
LF Pass/Fail Static Renewal 48Hr Acute Daphnia magna48-hour minimumreport only (pass=0;fail=1)all yearTX2
LF Pass/Fail Static Renewal 48Hr Acute Daphnia magnamonthly average minimumreport only (pass=0;fail=1)all yearTX2
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all yearTX2
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all yearTX2
NOEC Lethal Static Renewal 48HR Acute Daphnia magna48-hour minimumreport only (%)all yearTX2
NOEC Lethal Static Renewal 48HR Acute Daphnia magnamonthly average minimumreport only (%)all yearTX2
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all yearTX2
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasmonthly average minimumreport only (%)all yearTX2
LOAEC Lethal Survival Static Renewal 48HR Acute Daphnia magna48-hour minimumreport only (%)all yearTX2
LOAEC Lethal Survival Static Renewal 48HR Acute Daphnia magnamonthly average minimumreport only (%)all yearTX2
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (%)all yearTX2
LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (%)all yearTX2
Whole effluent toxicity - retest #1single samplereport only (pass=0;fail=1)all yearTXB
Whole effluent toxicity - retest #2single samplereport only (pass=0;fail=1)all yearTXB
Whole Effluent Toxicity [WET] - P. promelassingle grab samplereport only (%)all yearTXB
Whole Effluent Toxicity [WET] - D. magnasingle grab samplereport only (%)all yearTXB
Daphnia magna survival 24 Hr Acute WETsingle samplereport only (pass=0;fail=1)all yearTXB
LC50 Pass/Fail Static 24Hr Acute Pimephales promelassingle samplereport only (pass=0;fail=1)all yearTXB

How strict are these limits?

Cited limits by parameter: Texas's rules and the federal ones.

Same industry: the 32 Petroleum Refining and Related Industries permits in Texas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0104515 · MCP: https://passage-data.com/mcp