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Petroleum Refining, major discharger, Beaumont, Texas. NPDES permit TX0118737 expired Oct 16, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 48 mg/L | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 360 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Sulfide, total [as S] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .06 mg/L | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ .6 mg/L | all year | 001 |
| Benzene | daily maximum | ≤ .45 mg/L | 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 | report only (MGD) | all year | 001 |
| Phenolic compounds, total | daily maximum | ≤ .4 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 3 MGD | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 4 MGD | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 150 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 |
| 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 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TX1 |
| LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | single sample | report only (pass=0;fail=1) | all year | TX1 |
| LC50 Pass/Fail Static 24Hr Acute Menidia menidia | single sample | report only (pass=0;fail=1) | all year | TX1 |
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/TX0118737 · MCP: https://passage-data.com/mcp