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Petroleum Refining, Lake Charles, Louisiana. NPDES permit LA0054399 expired Apr 30, 2025; its limits still apply. Last 12 months: no values over a limit, 8 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 117 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 117 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 223 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 223 lb/d | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 599 lb/d | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 599 lb/d | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 1161 lb/d | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 1161 lb/d | all year | 001 |
| pH | instantaneous minimum | report only (SU) | all year | 001 |
| pH | instantaneous minimum | report only (SU) | all year | 001 |
| pH | instantaneous maximum | report only (SU) | all year | 001 |
| pH | instantaneous maximum | report only (SU) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 101 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 101 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 159 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 159 lb/d | all year | 001 |
| Oil & Grease | monthly average | ≤ 37 lb/d | all year | 001 |
| Oil & Grease | monthly average | ≤ 37 lb/d | all year | 001 |
| Oil & Grease | daily maximum | ≤ 69 lb/d | all year | 001 |
| Oil & Grease | daily maximum | ≤ 69 lb/d | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 23 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 23 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 52 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 52 lb/d | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, hexavalent [as Cr] | monthly average | ≤ .13 lb/d | all year | 001 |
| Chromium, hexavalent [as Cr] | monthly average | ≤ .13 lb/d | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .28 lb/d | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .28 lb/d | all year | 001 |
| Chromium, total [as Cr] | monthly average | ≤ 1.95 lb/d | all year | 001 |
| Chromium, total [as Cr] | monthly average | ≤ 1.95 lb/d | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ 3.39 lb/d | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ 3.39 lb/d | all year | 001 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Phenolics, total recoverable | monthly average | ≤ .85 lb/d | all year | 001 |
| Phenolics, total recoverable | monthly average | ≤ .85 lb/d | all year | 001 |
| Phenolics, total recoverable | daily maximum | ≤ 1.65 lb/d | all year | 001 |
| Phenolics, total recoverable | daily maximum | ≤ 1.65 lb/d | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Mercury, total [as Hg] | monthly average | report only (mg/L) | all year | 001 |
| Mercury, total [as Hg] | monthly average | report only (mg/L) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 001 |
| pH range excursions, > 60 minutes | monthly total | report only (occur/mo) | all year | 001 |
| pH range excursions, > 60 minutes | monthly total | report only (occur/mo) | all year | 001 |
| pH range excursions, monthly total accum | monthly total | report only (min) | all year | 001 |
| pH range excursions, monthly total accum | monthly total | report only (min) | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 002 |
| Toluene | daily maximum | ≤ 80 ug/L | all year | 002 |
| Toluene | daily maximum | ≤ 80 ug/L | all year | 002 |
| Benzene | daily maximum | ≤ 136 ug/L | all year | 002 |
| Benzene | daily maximum | ≤ 136 ug/L | all year | 002 |
| Ethylbenzene | daily maximum | ≤ 108 ug/L | all year | 002 |
| Ethylbenzene | daily maximum | ≤ 108 ug/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 003 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 003 |
| Toluene | daily maximum | ≤ 80 ug/L | all year | 003 |
| Toluene | daily maximum | ≤ 80 ug/L | all year | 003 |
| Benzene | daily maximum | ≤ 136 ug/L | all year | 003 |
| Benzene | daily maximum | ≤ 136 ug/L | all year | 003 |
| Ethylbenzene | daily maximum | ≤ 108 ug/L | all year | 003 |
| Ethylbenzene | daily maximum | ≤ 108 ug/L | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 004 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly 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 maximum | report only (MGD) | all year | 004 |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 26 Petroleum Refining and Related Industries permits in Louisiana.
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Your permit document is the final word. As JSON: /api/v1/permits/LA0054399 · MCP: https://passage-data.com/mcp