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Plastics Pipe, Slidell, Louisiana. NPDES permit LA0090409, in force until Feb 28, 2028. Last 12 months: over a limit 27 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| October 2025 | 201 | Coliform, fecal general, daily maximum | > 60000 #/100mL | ≤ 400 #/100mL | — |
| October 2025 | 201 | Coliform, fecal general, monthly geometric mean | > 60000 #/100mL | ≤ 200 #/100mL | — |
| November 2025 | 201 | BOD, carbonaceous [5 day, 20 C], monthly average | 11.5 mg/L | ≤ 10 mg/L | 15% |
| November 2025 | 201 | Coliform, fecal general, daily maximum | 47000 #/100mL | ≤ 400 #/100mL | 11650% |
| November 2025 | 201 | Coliform, fecal general, monthly geometric mean | 47000 #/100mL | ≤ 200 #/100mL | 23400% |
| December 2025 | 201 | Coliform, fecal general, daily maximum | > 60000 #/100mL | ≤ 400 #/100mL | — |
| December 2025 | 201 | Coliform, fecal general, monthly geometric mean | > 60000 #/100mL | ≤ 200 #/100mL | — |
| January 2026 | 201 | BOD, carbonaceous [5 day, 20 C], monthly average | 38 mg/L | ≤ 10 mg/L | 280% |
| January 2026 | 201 | Coliform, fecal general, daily maximum | 38000 #/100mL | ≤ 400 #/100mL | 9400% |
| January 2026 | 201 | Coliform, fecal general, monthly geometric mean | 38000 #/100mL | ≤ 200 #/100mL | 18900% |
| February 2026 | 201 | BOD, carbonaceous [5 day, 20 C], monthly average | 27.7 mg/L | ≤ 10 mg/L | 177% |
| February 2026 | 201 | Coliform, fecal general, daily maximum | E 193000 #/100mL | ≤ 400 #/100mL | 48150% |
| February 2026 | 201 | Coliform, fecal general, monthly geometric mean | E 193000 #/100mL | ≤ 200 #/100mL | 96400% |
| March 2026 | 101 | BOD, 5-day, 20 deg. C, daily maximum | 2.21 lb/d | ≤ 1.7 lb/d | 30% |
| March 2026 | 201 | BOD, carbonaceous [5 day, 20 C], monthly average | 99.9 mg/L | ≤ 10 mg/L | 899% |
| March 2026 | 201 | Coliform, fecal general, daily maximum | E 94000 #/100mL | ≤ 400 #/100mL | 23400% |
| March 2026 | 201 | Coliform, fecal general, monthly geometric mean | E 94000 #/100mL | ≤ 200 #/100mL | 46900% |
| March 2026 | 201 | Solids, total suspended, daily maximum | 250 mg/L | ≤ 45 mg/L | 456% |
| March 2026 | 201 | Solids, total suspended, monthly average | 250 mg/L | ≤ 30 mg/L | 733% |
| April 2026 | 201 | Coliform, fecal general, daily maximum | > 60000 #/100mL | ≤ 400 #/100mL | — |
| April 2026 | 201 | Coliform, fecal general, monthly geometric mean | > 60000 #/100mL | ≤ 200 #/100mL | — |
| May 2026 | 201 | BOD, carbonaceous [5 day, 20 C], monthly average | 17.1 mg/L | ≤ 10 mg/L | 71% |
| May 2026 | 201 | Coliform, fecal general, daily maximum | E 6200 #/100mL | ≤ 400 #/100mL | 1450% |
| May 2026 | 201 | Coliform, fecal general, monthly geometric mean | E 6200 #/100mL | ≤ 200 #/100mL | 3000% |
| June 2026 | 201 | BOD, carbonaceous [5 day, 20 C], monthly average | 27.1 mg/L | ≤ 10 mg/L | 171% |
| June 2026 | 201 | Solids, total suspended, daily maximum | 65 mg/L | ≤ 45 mg/L | 44% |
| June 2026 | 201 | Solids, total suspended, monthly average | 65 mg/L | ≤ 30 mg/L | 117% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 1.7 lb/d | all year | 101 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 1.7 lb/d | all year | 101 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 101 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 101 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 101 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 1.3 lb/d | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 1.3 lb/d | all year | 101 |
| Oil & Grease | daily maximum | ≤ 1.9 lb/d | all year | 101 |
| Oil & Grease | daily maximum | ≤ 1.9 lb/d | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 101 |
| Oxygen, dissolved [DO] | monthly average minimum | ≥ 2 mg/L | all year | 201 |
| Oxygen, dissolved [DO] | monthly average minimum | ≥ 2 mg/L | all year | 201 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 201 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 201 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 201 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 201 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 201 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 201 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 201 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 201 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 201 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 201 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 201 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 201 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 mg/L | all year | 201 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 10 mg/L | all year | 201 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 201 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 201 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 201 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 201 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 201 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 201 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 201 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 201 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 201 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 201 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 201 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 201 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year | 201 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year | 201 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 200 mg/L | all year | 301 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 300 mg/L | all year | 301 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 301 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 301 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 301 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 301 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 301 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 301 |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 5 Rubber and Miscellaneous Plastics Products permits in Louisiana.
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On EPA ECHO: Facility report · DMR history
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