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Sawmills And Planing Mills, General, De Ridder, Louisiana. NPDES permit LA0126730, in force until Jun 30, 2031. Last 12 months: no values over a limit, 6 of 9 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 8.5 SU | 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 |
| Arsenic, total [as As] | monthly average | report only (mg/L) | all year | 003 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 003 |
| Chromium, total [as Cr] | monthly average | report only (mg/L) | all year | 003 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 003 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 003 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 003 |
| Phenolics, total recoverable | monthly average | report only (mg/L) | all year | 003 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 003 |
| Acenaphthylene | monthly average | report only (mg/L) | all year | 003 |
| Acenaphthylene | daily maximum | report only (mg/L) | all year | 003 |
| Acenaphthene | monthly average | report only (mg/L) | all year | 003 |
| Acenaphthene | daily maximum | report only (mg/L) | all year | 003 |
| Anthracene | monthly average | report only (mg/L) | all year | 003 |
| Anthracene | daily maximum | report only (mg/L) | all year | 003 |
| Benzo[a]anthracene | monthly average | report only (mg/L) | all year | 003 |
| Benzo[a]anthracene | daily maximum | report only (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 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 8.5 SU | 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 |
| Arsenic, total [as As] | monthly average | report only (mg/L) | all year | 004 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 004 |
| Chromium, total [as Cr] | monthly average | report only (mg/L) | all year | 004 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 004 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 004 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 004 |
| Phenolics, total recoverable | monthly average | report only (mg/L) | all year | 004 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 004 |
| Acenaphthylene | monthly average | report only (mg/L) | all year | 004 |
| Acenaphthylene | daily maximum | report only (mg/L) | all year | 004 |
| Acenaphthene | monthly average | report only (mg/L) | all year | 004 |
| Acenaphthene | daily maximum | report only (mg/L) | all year | 004 |
| Anthracene | monthly average | report only (mg/L) | all year | 004 |
| Anthracene | daily maximum | report only (mg/L) | all year | 004 |
| Benzo[a]anthracene | monthly average | report only (mg/L) | all year | 004 |
| Benzo[a]anthracene | daily maximum | report only (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 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 8.5 SU | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 005 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 005 |
| Arsenic, total [as As] | monthly average | report only (mg/L) | all year | 005 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 005 |
| Chromium, total [as Cr] | monthly average | report only (mg/L) | all year | 005 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 005 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 005 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 005 |
| Phenolics, total recoverable | monthly average | report only (mg/L) | all year | 005 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Acenaphthylene | monthly average | report only (mg/L) | all year | 005 |
| Acenaphthylene | daily maximum | report only (mg/L) | all year | 005 |
| Acenaphthene | monthly average | report only (mg/L) | all year | 005 |
| Acenaphthene | daily maximum | report only (mg/L) | all year | 005 |
| Anthracene | monthly average | report only (mg/L) | all year | 005 |
| Anthracene | daily maximum | report only (mg/L) | all year | 005 |
| Benzo[a]anthracene | monthly average | report only (mg/L) | all year | 005 |
| Benzo[a]anthracene | daily maximum | report only (mg/L) | 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 |
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
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