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Petroleum Refining, major discharger, Texas City, Texas. NPDES permit TX0003522, in force until Mar 28, 2027. Last 12 months: over a limit 2 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| June 2026 | 003 | pH, maximum | 9.1 SU | ≤ 9 SU | — |
| July 2026 | 001 | Enterococci, daily maximum | 530 CFU/100mL | ≤ 89 CFU/100mL | 496% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | monthly minimum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily average | ≤ 4171 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 8342 lb/d | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 2174 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4348 lb/d | all year | 001 |
| Chromium, hexavalent [as Cr] | daily average | ≤ 1.01 mg/L | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 2.14 mg/L | all year | 001 |
| Chromium, hexavalent [as Cr] | daily average | report only (lb/d) | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (lb/d) | all year | 001 |
| Zinc, total [as Zn] | daily average | ≤ 1.25 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 2.65 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily average | ≤ 263 lb/d | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 557 lb/d | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 25.2 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Enterococci | daily average | ≤ 35 CFU/100mL | all year | 001 |
| Enterococci | daily maximum | ≤ 89 CFU/100mL | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | daily average | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 55 mg/L | all year | 003 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Oxygen, dissolved [DO] | monthly minimum | ≥ 3 mg/L | all year | 005 |
| BOD, 5-day, 20 deg. C | daily average | report only (mg/L) | all year | 005 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 005 |
| BOD, 5-day, 20 deg. C | daily average | ≤ 3620 lb/d | all year | 005 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 7240 lb/d | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 2020 lb/d | all year | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4040 lb/d | all year | 005 |
| Chromium, hexavalent [as Cr] | daily average | ≤ .012 mg/L | all year | 005 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .0254 mg/L | all year | 005 |
| Chromium, hexavalent [as Cr] | daily average | ≤ 2.3 lb/d | all year | 005 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 4.88 lb/d | all year | 005 |
| Zinc, total [as Zn] | daily average | ≤ .461 mg/L | all year | 005 |
| Zinc, total [as Zn] | daily maximum | ≤ .975 mg/L | all year | 005 |
| Zinc, total [as Zn] | daily average | report only (lb/d) | all year | 005 |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year | 005 |
| Selenium, total [as Se] | daily average | ≤ .01685 mg/L | all year | 005 |
| Selenium, total [as Se] | daily maximum | ≤ .0356 mg/L | all year | 005 |
| Selenium, total [as Se] | daily average | report only (lb/d) | all year | 005 |
| Selenium, total [as Se] | daily maximum | report only (lb/d) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Enterococci | daily average | ≤ 35 CFU/100mL | all year | 005 |
| Enterococci | daily maximum | ≤ 89 CFU/100mL | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 007 |
| pH | maximum | ≤ 9 SU | all year | 007 |
| Oil & Grease | daily average | ≤ 10 mg/L | all year | 007 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 007 |
| Carbon, tot organic [TOC] | daily average | ≤ 30 mg/L | all year | 007 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 100 mg/L | all year | 007 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 6.2 MGD | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 12.4 MGD | all year | 007 |
| Chlorine, total residual | monthly maximum | ≤ .1 mg/L | all year | 007 |
| BOD, 5-day, 20 deg. C | daily average | report only (mg/L) | all year | 010 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 010 |
| pH | minimum | ≥ 6 SU | all year | 010 |
| pH | maximum | ≤ 9 SU | all year | 010 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 010 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 010 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 55 mg/L | all year | 010 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 010 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 010 |
| Oxygen, dissolved [DO] | monthly minimum | report only (mg/L) | all year | 011 |
| BOD, 5-day, 20 deg. C | daily average | report only (mg/L) | all year | 011 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 011 |
| BOD, 5-day, 20 deg. C | daily average | ≤ 4171 lb/d | all year | 011 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 8342 lb/d | all year | 011 |
| pH | minimum | ≥ 6 SU | all year | 011 |
| pH | maximum | ≤ 9 SU | all year | 011 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 011 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 011 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 2174 lb/d | all year | 011 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4348 lb/d | all year | 011 |
| Chromium, hexavalent [as Cr] | daily average | ≤ .404 mg/L | all year | 011 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .855 mg/L | all year | 011 |
| Chromium, hexavalent [as Cr] | daily average | ≤ 84 lb/d | all year | 011 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 179 lb/d | all year | 011 |
| Zinc, total [as Zn] | daily average | report only (mg/L) | all year | 011 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 011 |
| Zinc, total [as Zn] | daily average | report only (lb/d) | all year | 011 |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | all year | 011 |
| Selenium, total [as Se] | daily average | report only (mg/L) | all year | 011 |
| Selenium, total [as Se] | daily maximum | report only (mg/L) | all year | 011 |
| Selenium, total [as Se] | daily average | report only (lb/d) | all year | 011 |
| Selenium, total [as Se] | daily maximum | report only (lb/d) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 25.2 MGD | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
| Enterococci | daily average | ≤ 35 CFU/100mL | all year | 011 |
| Enterococci | daily maximum | ≤ 89 CFU/100mL | all year | 011 |
| BOD, 5-day, 20 deg. C | daily average | ≤ 3620 lb/d | all year | 101 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 7240 lb/d | all year | 101 |
| pH | minimum | ≥ 6 SU | all year | 101 |
| pH | maximum | ≤ 9 SU | all year | 101 |
| Solids, total suspended | daily average | ≤ 5119 lb/d | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 8307 lb/d | all year | 101 |
| Oil & Grease | daily average | ≤ 1583 lb/d | all year | 101 |
| Oil & Grease | daily maximum | ≤ 2962 lb/d | all year | 101 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 2020 lb/d | all year | 101 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4040 lb/d | all year | 101 |
| Carbon, tot organic [TOC] | daily average | ≤ 10892 lb/d | all year | 101 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 20188 lb/d | all year | 101 |
| Sulfide, total [as S] | daily average | ≤ 20 lb/d | all year | 101 |
| Sulfide, total [as S] | daily maximum | ≤ 44.7 lb/d | all year | 101 |
| Chromium, hexavalent [as Cr] | daily average | ≤ 3.1 lb/d | all year | 101 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 6.9 lb/d | all year | 101 |
| Chromium, total [as Cr] | daily average | ≤ 33 lb/d | all year | 101 |
| Chromium, total [as Cr] | daily maximum | ≤ 95 lb/d | all year | 101 |
| Phenolics, total recoverable | daily average | ≤ 27.7 lb/d | all year | 101 |
| Phenolics, total recoverable | daily maximum | ≤ 67 lb/d | all year | 101 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 64.8 MGD | all year | 101 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia) | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia) | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia menidia | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia menidia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia) | 48-hour minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Static Renewal 48HR Acute Menidia menidia | 48-hour minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Static Renewal 48HR Acute Menidia menidia | monthly average minimum | report only (%) | all year | TX1 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 48-hour minimum | report only (%) | all year | TX1 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| LOAEC Survival Static Renewal 48HR Acute Menidia menidia | 48-hour minimum | report only (%) | all year | TX1 |
| LOAEC Survival Static Renewal 48HR Acute Menidia menidia | monthly average minimum | report only (%) | all year | TX1 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TXA |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TXA |
| Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia) | single sample | ≤ 100 % | all year | TXA |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (pass=0;fail=1) | all year | TXA |
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | single sample | report only (pass=0;fail=1) | all year | TXA |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TXE |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TXE |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 24-hour minimum | report only (fail=0;pass=1) | all year | TXE |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (fail=0;pass=1) | all year | TXE |
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | 24-hour minimum | report only (fail=0;pass=1) | all year | TXE |
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | single sample | report only (fail=0;pass=1) | all year | TXE |
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/TX0003522 · MCP: https://passage-data.com/mcp