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Marine Cargo Handling, Port Sulphur, Louisiana. NPDES permit LA0052361, in force until Apr 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | report only (SU) | all year | 002 |
| pH | instantaneous minimum | report only (SU) | all year | 002 |
| pH | instantaneous maximum | report only (SU) | all year | 002 |
| pH | instantaneous maximum | report only (SU) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/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 | 007 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 007 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 007 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 007 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 007 |
| Lead, total [as Pb] | daily maximum | ≤ 50 ug/L | all year | 007 |
| Benzene | daily maximum | ≤ 50 ug/L | all year | 007 |
| BTEX | daily maximum | ≤ 250 ug/L | all year | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| pH | instantaneous minimum | report only (SU) | all year | 008 |
| pH | instantaneous minimum | report only (SU) | all year | 008 |
| pH | instantaneous maximum | report only (SU) | all year | 008 |
| pH | instantaneous maximum | report only (SU) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 008 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 008 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | all year | 008 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 250 mg/L | all year | 011 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 250 mg/L | all year | 011 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 400 mg/L | all year | 011 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 400 mg/L | all year | 011 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 011 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 011 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 011 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 011 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 011 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 011 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 011 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 011 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 011 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 012 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 014 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 014 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 014 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 014 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 014 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 014 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 014 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 014 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 014 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 250 mg/L | all year | 06A |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 250 mg/L | all year | 06A |
| pH | instantaneous minimum | ≥ 6 SU | all year | 06A |
| pH | instantaneous minimum | ≥ 6 SU | all year | 06A |
| pH | instantaneous maximum | ≤ 9 SU | all year | 06A |
| pH | instantaneous maximum | ≤ 9 SU | all year | 06A |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 06A |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 06A |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 06A |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 06A |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 06A |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 06A |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 250 mg/L | all year | 06B |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 250 mg/L | all year | 06B |
| pH | instantaneous minimum | ≥ 6 SU | all year | 06B |
| pH | instantaneous minimum | ≥ 6 SU | all year | 06B |
| pH | instantaneous maximum | ≤ 9 SU | all year | 06B |
| pH | instantaneous maximum | ≤ 9 SU | all year | 06B |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 06B |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 06B |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 06B |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 06B |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 06B |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 06B |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 108 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 108 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 108 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 108 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 108 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 108 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 108 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 108 |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 28 Water Transportation permits in Louisiana.
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