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Petroleum Refining, major discharger, Baytown, Texas. NPDES permit TX0006271, in force until Jul 12, 2027. Last 12 months: over a limit once (last August 2026), 6 of 73 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| August 2026 | Enterococci, daily maximum | 3600 CFU/100mL | ≤ 104 CFU/100mL | 3362% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily average | ≤ 95 deg F | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 100 deg F | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily average | ≤ 15609 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 25128 lb/d | all year | 001 |
| Oil & Grease | daily average | ≤ 5355 lb/d | all year | 001 |
| Oil & Grease | daily maximum | ≤ 10115 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 2515 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5030 lb/d | all year | 001 |
| Carbon, tot organic [TOC] | daily average | ≤ 37789 lb/d | all year | 001 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 70610 lb/d | all year | 001 |
| Sulfide, total [as S] | daily average | ≤ 73.6 lb/d | all year | 001 |
| Sulfide, total [as S] | daily maximum | ≤ 163 lb/d | all year | 001 |
| Chromium, hexavalent [as Cr] | daily average | ≤ 10.5 lb/d | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 23.6 lb/d | all year | 001 |
| Chromium, total [as Cr] | daily average | ≤ 108 lb/d | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ 308 lb/d | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 60 MGD | all year | 001 |
| Phenolic compounds, total | daily average | ≤ 90.7 lb/d | all year | 001 |
| Phenolic compounds, total | daily maximum | ≤ 233 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 9819 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 19638 lb/d | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 55 mg/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 107 deg F | 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 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 100 mg/L | all year | 003 |
| Copper, total [as Cu] | daily average | report only (mg/L) | all year | 003 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 4 MGD | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 5 MGD | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 55 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 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
| Chlorine, total residual | monthly minimum | ≥ 1 mg/L | all year | 101 |
| Enterococci | daily average | ≤ 35 CFU/100mL | all year | 101 |
| Enterococci | daily maximum | ≤ 104 CFU/100mL | all year | 101 |
| pH | minimum | ≥ 6 SU | all year | 102 |
| pH | maximum | ≤ 9 SU | all year | 102 |
| Solids, total suspended | daily maximum | ≤ 140 mg/L | all year | 102 |
| Solids, total suspended | daily maximum | ≤ 292434 lb/d | all year | 102 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 22.5 mg/L | all year | 102 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 47118 lb/d | all year | 102 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 339 mg/L | all year | 102 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 707975 lb/d | all year | 102 |
| Sulfide, total [as S] | daily maximum | ≤ .661 mg/L | all year | 102 |
| Sulfide, total [as S] | daily maximum | ≤ 1379 lb/d | all year | 102 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .0943 mg/L | all year | 102 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 197 lb/d | all year | 102 |
| Chromium, total [as Cr] | daily maximum | ≤ .969 mg/L | all year | 102 |
| Chromium, total [as Cr] | daily maximum | ≤ 2023 lb/d | all year | 102 |
| Polynuclear Aromatic Hydrocarbons [PAHs] | daily maximum | report only (mg/L) | all year | 102 |
| Polynuclear Aromatic Hydrocarbons [PAHs] | daily maximum | report only (lb/d) | all year | 102 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | report only (mg/L) | all year | 102 |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | report only (lb/d) | all year | 102 |
| Benzene | daily maximum | ≤ .5 mg/L | all year | 102 |
| Benzene | daily maximum | ≤ 1043 lb/d | all year | 102 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 102 |
| Phenolic compounds, total | daily maximum | ≤ .814 mg/L | all year | 102 |
| Phenolic compounds, total | daily maximum | ≤ 1699 lb/d | all year | 102 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 88.2 mg/L | all year | 102 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 183958 lb/d | all year | 102 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #1 | 7-day 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 #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | 7-day 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 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| 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 | TX1 |
| 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 | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (%) | all year | TX1 |
| 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 | TX1 |
| 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 | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic 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 |
| 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 |
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/TX0006271 · MCP: https://passage-data.com/mcp