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Petroleum Refining, major discharger, Texas City, Texas. NPDES permit TX0006009, in force until Oct 29, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 150 mg/L | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 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 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 004 |
| pH | minimum | ≥ 6 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | 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 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 006 |
| pH | minimum | ≥ 6 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 006 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 007 |
| pH | minimum | ≥ 6 SU | all year | 007 |
| pH | maximum | ≤ 9 SU | all year | 007 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 007 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Temperature, water deg. fahrenheit | daily average | report only (deg F) | all year | 009 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 110 deg F | all year | 009 |
| Oxygen demand, chem. [high level] [COD] | daily average | report only (mg/L) | all year | 009 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 009 |
| Oxygen demand, chem. [high level] [COD] | daily average | ≤ 13748 lb/d | all year | 009 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 26510 lb/d | all year | 009 |
| pH | minimum | ≥ 5 SU | all year | 009 |
| pH | maximum | ≤ 11 SU | all year | 009 |
| Solids, total suspended | daily average | report only (mg/L) | all year | 009 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 009 |
| Solids, total suspended | daily average | ≤ 1673 lb/d | all year | 009 |
| Solids, total suspended | daily maximum | ≤ 2678 lb/d | all year | 009 |
| Oil & Grease | daily average | report only (mg/L) | all year | 009 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 009 |
| Oil & Grease | daily average | ≤ 605 lb/d | all year | 009 |
| Oil & Grease | daily maximum | ≤ 1119 lb/d | all year | 009 |
| Nitrogen, ammonia total [as N] | daily average | report only (mg/L) | all year | 009 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 009 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 300 lb/d | all year | 009 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 600 lb/d | all year | 009 |
| Sulfide, total [as S] | daily average | report only (mg/L) | all year | 009 |
| Sulfide, total [as S] | daily maximum | report only (mg/L) | all year | 009 |
| Sulfide, total [as S] | daily average | ≤ 12.2 lb/d | all year | 009 |
| Sulfide, total [as S] | daily maximum | ≤ 27 lb/d | all year | 009 |
| Chromium, hexavalent [as Cr] | daily average | report only (mg/L) | all year | 009 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 009 |
| Chromium, hexavalent [as Cr] | daily average | ≤ 3.6 lb/d | all year | 009 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 6.8 lb/d | all year | 009 |
| Chromium, total [as Cr] | daily average | report only (mg/L) | all year | 009 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 009 |
| Chromium, total [as Cr] | daily average | ≤ 16.7 lb/d | all year | 009 |
| Chromium, total [as Cr] | daily maximum | ≤ 35.5 lb/d | all year | 009 |
| Phenols | daily average | report only (mg/L) | all year | 009 |
| Phenols | daily maximum | report only (mg/L) | all year | 009 |
| Phenols | daily average | ≤ 12.7 lb/d | all year | 009 |
| Phenols | daily maximum | ≤ 26.2 lb/d | all year | 009 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 4.5 MGD | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 6 MGD | all year | 009 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 40 mg/L | all year | 009 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 009 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 1502 lb/d | all year | 009 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 3004 lb/d | all year | 009 |
| pH range excursions, > 60 minutes | monthly total | ≤ 0 occur/mo | all year | 009 |
| pH range excursions, monthly total accum | monthly total | ≤ 446 min | all year | 009 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX9 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX9 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX9 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX9 |
| Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | ≥ 5.7 % | all year | TX9 |
| Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | ≥ 5.7 % | all year | TX9 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7-day minimum | report only (pass=0;fail=1) | all year | TX9 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | monthly average minimum | report only (pass=0;fail=1) | all year | TX9 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina | 7-day minimum | report only (pass=0;fail=1) | all year | TX9 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina | monthly average minimum | report only (pass=0;fail=1) | all year | TX9 |
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX9 |
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX9 |
| NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina | 7-day minimum | report only (%) | all year | TX9 |
| NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina | monthly average minimum | report only (%) | all year | TX9 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX9 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX9 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina | 7-day minimum | report only (%) | all year | TX9 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina | monthly average minimum | report only (%) | all year | TX9 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (pass=0;fail=1) | all year | TX9 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (pass=0;fail=1) | all year | TX9 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina | 7-day minimum | report only (pass=0;fail=1) | all year | TX9 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina | monthly average minimum | report only (pass=0;fail=1) | all year | TX9 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX9 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX9 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina | 7-day minimum | report only (%) | all year | TX9 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina | monthly average minimum | report only (%) | all year | TX9 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX9 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX9 |
| LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina | 7-day minimum | report only (%) | all year | TX9 |
| LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina | monthly average minimum | report only (%) | all year | TX9 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TXI |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TXI |
| Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia) | single sample | ≤ 100 % | all year | TXI |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (pass=0;fail=1) | all year | TXI |
| LC50 Pass/Fail Static 24Hr Acute Menidia beryllina | single sample | report only (pass=0;fail=1) | all year | TXI |
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/TX0006009 · MCP: https://passage-data.com/mcp