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Metals Service Centers And Offices, Laplace, Louisiana. NPDES permit LA0115924 expired Oct 31, 2026. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| 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 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 250 mg/L | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 250 mg/L | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 400 mg/L | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 400 mg/L | all year | 002 |
| 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 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | 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 |
| 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 |
| Hydrogen peroxide | instantaneous maximum | ≤ 1000 ug/L | all year | 03A |
| Hydrogen peroxide | instantaneous maximum | ≤ 1000 ug/L | all year | 03A |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 250 mg/L | all year | 03A |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 250 mg/L | all year | 03A |
| Ozone - residual | instantaneous maximum | ≤ 100 ug/L | all year | 03A |
| Ozone - residual | instantaneous maximum | ≤ 100 ug/L | all year | 03A |
| pH | instantaneous minimum | ≥ 6 SU | all year | 03A |
| pH | instantaneous minimum | ≥ 6 SU | all year | 03A |
| pH | instantaneous maximum | ≤ 9 SU | all year | 03A |
| pH | instantaneous maximum | ≤ 9 SU | all year | 03A |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 03A |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 03A |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 03A |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 03A |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 03A |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 03A |
| Chlorine, total residual | instantaneous maximum | ≤ 100 ug/L | all year | 03A |
| Chlorine, total residual | instantaneous maximum | ≤ 100 ug/L | all year | 03A |
| Chlorine dioxide | instantaneous maximum | ≤ 200 ug/L | all year | 03A |
| Chlorine dioxide | instantaneous maximum | ≤ 200 ug/L | all year | 03A |
| E. coli | daily maximum | ≤ 250 #/100mL | all year | 03A |
| E. coli | daily maximum | ≤ 250 #/100mL | all year | 03A |
| Peracetic Acid | instantaneous maximum | ≤ 500 ug/L | all year | 03A |
| Peracetic Acid | instantaneous maximum | ≤ 500 ug/L | all year | 03A |
| Vibrio cholerae | daily maximum | ≤ 1 CFU/100mL | all year | 03A |
| Vibrio cholerae | daily maximum | ≤ 1 CFU/100mL | all year | 03A |
| Organisms greater than or equal to 50 micrometers | daily maximum | ≤ 10 #/m3 | all year | 03A |
| Organisms greater than or equal to 50 micrometers | daily maximum | ≤ 10 #/m3 | all year | 03A |
| Organisms less than 50 micrometers and greater than or equal to 10 micrometers | daily maximum | ≤ 10 #/mL | all year | 03A |
| Organisms less than 50 micrometers and greater than or equal to 10 micrometers | daily maximum | ≤ 10 #/mL | all year | 03A |
| Enterococci | daily maximum | ≤ 100 #/100mL | all year | 03A |
| Enterococci | daily maximum | ≤ 100 #/100mL | all year | 03A |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 250 mg/L | all year | 03B |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 250 mg/L | all year | 03B |
| pH | instantaneous minimum | ≥ 6 SU | all year | 03B |
| pH | instantaneous minimum | ≥ 6 SU | all year | 03B |
| pH | instantaneous maximum | ≤ 9 SU | all year | 03B |
| pH | instantaneous maximum | ≤ 9 SU | all year | 03B |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 03B |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 03B |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 03B |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 03B |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 03B |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 03B |
| Oil and grease visual | daily maximum | ≤ 0 occur/d | all year | 03B |
| Oil and grease visual | daily maximum | ≤ 0 occur/d | all year | 03B |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 6 Wholesale Trade — Durable Goods permits in Louisiana.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/LA0115924 · MCP: https://passage-data.com/mcp