Passage Data · Check a report · Use it from your AI
Marine Cargo Handling, Convent, Louisiana. NPDES permit LA0104345, in force until Aug 31, 2030. 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 | ≤ 125 mg/L | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 125 mg/L | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | 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 | ≤ 30 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 30 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 60 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 60 mg/L | 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 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ 50 ug/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ 50 ug/L | all year | 001 |
| Benzene | daily maximum | ≤ 50 ug/L | all year | 001 |
| Benzene | daily maximum | ≤ 50 ug/L | all year | 001 |
| BTEX | daily maximum | ≤ 250 ug/L | all year | 001 |
| BTEX | daily maximum | ≤ 250 ug/L | 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 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 102 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 102 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 102 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 102 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 102 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 102 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 102 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 30 mg/L | all year | 102 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 60 mg/L | all year | 102 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 102 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 102 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 102 |
| Lead, total [as Pb] | daily maximum | ≤ 50 ug/L | all year | 102 |
| Benzene | daily maximum | ≤ 50 ug/L | all year | 102 |
| BTEX | daily maximum | ≤ 250 ug/L | all year | 102 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 102 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 102 |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 28 Water Transportation permits in Louisiana.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/LA0104345 · MCP: https://passage-data.com/mcp