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Softwood Veneer And Plywood, Chopin, Louisiana. NPDES permit LA0097691, in force until Sep 30, 2029. 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 | monthly average | ≤ 30 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 002 |
| Chloride [as Cl] | monthly average | ≤ 69 lb/d | 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 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 002 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 002 |
| Solids, total dissolved | monthly average | ≤ 276 lb/d | all year | 002 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 002 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 003 |
| Oil and grease | daily maximum | ≤ 15 mg/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 | daily maximum | report only (MGD) | all year | 003 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 37 mg/L | all year | 004 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 140 mg/L | all year | 004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | ≤ 27 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 88 mg/L | all year | 004 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.9 mg/L | all year | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year | 004 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 004 |
| Zinc, total [as Zn] | monthly average | ≤ .11 mg/L | all year | 004 |
| Zinc, total [as Zn] | daily maximum | ≤ .2 mg/L | all year | 004 |
| Phenol | monthly average | ≤ .015 mg/L | all year | 004 |
| Phenol | daily maximum | ≤ .026 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 | daily maximum | report only (MGD) | all year | 004 |
| p-Cresol | monthly average | ≤ .014 mg/L | all year | 004 |
| p-Cresol | daily maximum | ≤ .025 mg/L | all year | 004 |
| Benzoic acids, total | monthly average | ≤ .071 mg/L | all year | 004 |
| Benzoic acids, total | daily maximum | ≤ .12 mg/L | all year | 004 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 005 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 005 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 005 |
| Chloride [as Cl] | monthly average | ≤ 69 lb/d | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 005 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 005 |
| Solids, total dissolved | monthly average | ≤ 276 lb/d | all year | 005 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 005 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 005 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 301 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 301 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 301 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 301 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 301 |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 18 Lumber and Wood Products 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/LA0097691 · MCP: https://passage-data.com/mcp