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Industrial Organic Chemicals, Port Allen, Louisiana. NPDES permit LA0127310, in force until Sep 30, 2028. Last 12 months: no values over a limit, 6 of 9 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 200 mg/L | all year |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 300 mg/L | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30.6 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 74.1 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year |
| Sulfate, total [as SO4] | monthly average | ≤ 241 lb/d | all year |
| Sulfate, total [as SO4] | daily maximum | ≤ 573 lb/d | all year |
| Arsenic, total [as As] | monthly average | ≤ .359 mg/L | all year |
| Arsenic, total [as As] | daily maximum | ≤ .853 mg/L | all year |
| Cadmium, total [as Cd] | monthly average | ≤ .007 ug/L | all year |
| Cadmium, total [as Cd] | daily maximum | ≤ .016 ug/L | all year |
| Chromium, total [as Cr] | monthly average | ≤ .323 mg/L | all year |
| Chromium, total [as Cr] | daily maximum | ≤ .746 mg/L | all year |
| Cobalt, total [as Co] | monthly average | ≤ 18.8 mg/L | all year |
| Cobalt, total [as Co] | daily maximum | ≤ 56.4 mg/L | all year |
| Copper, total [as Cu] | monthly average | ≤ .049 mg/L | all year |
| Copper, total [as Cu] | daily maximum | ≤ .117 mg/L | all year |
| Lead, total [as Pb] | monthly average | ≤ .032 mg/L | all year |
| Lead, total [as Pb] | daily maximum | ≤ .076 mg/L | all year |
| Zinc, total [as Zn] | monthly average | ≤ .377 mg/L | all year |
| Zinc, total [as Zn] | daily maximum | ≤ .895 mg/L | all year |
| Tin, total [as Sn] | monthly average | ≤ .165 mg/L | all year |
| Tin, total [as Sn] | daily maximum | ≤ .335 mg/L | all year |
| Butyl benzyl phthalate | monthly average | ≤ .0887 mg/L | all year |
| Butyl benzyl phthalate | daily maximum | ≤ .188 mg/L | all year |
| Fluoranthene | monthly average | ≤ .0268 mg/L | all year |
| Fluoranthene | daily maximum | ≤ .0537 mg/L | all year |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | ≤ .101 mg/L | all year |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | ≤ .215 mg/L | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Solids, total dissolved | monthly average | report only (mg/L) | all year |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year |
| Solids, total dissolved | monthly average | ≤ 1805 lb/d | all year |
| Solids, total dissolved | daily maximum | ≤ 4295 lb/d | all year |
| Mercury, total [as Hg] | monthly average | ≤ .00004 mg/L | all year |
| Mercury, total [as Hg] | daily maximum | ≤ .0001 mg/L | all year |
| n-Decane | monthly average | ≤ .437 mg/L | all year |
| n-Decane | daily maximum | ≤ .948 mg/L | all year |
| Carbazole | monthly average | ≤ .276 mg/L | all year |
| Carbazole | daily maximum | ≤ .598 mg/L | all year |
| n-Octadecane | monthly average | ≤ .302 mg/L | all year |
| n-Octadecane | daily maximum | ≤ .589 mg/L | all year |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 130 Chemicals and Allied 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/LA0127310 · MCP: https://passage-data.com/mcp