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Industrial Organic Chemicals, major discharger, Baton Rouge, Louisiana. NPDES permit LA0004090, in force until Mar 31, 2031. Last 12 months: no values over a limit, 10 of 32 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 45 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 120 mg/L | all year | 001 |
| pH | instantaneous minimum | report only (SU) | all year | 001 |
| pH | instantaneous maximum | report only (SU) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 57 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 183 mg/L | all year | 001 |
| Lead, total [as Pb] | monthly average | ≤ .32 mg/L | all year | 001 |
| Lead, total [as Pb] | monthly average | ≤ .32 mg/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ .69 mg/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ .69 mg/L | all year | 001 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| 1,2-Dichloroethane | monthly average | ≤ .18 mg/L | all year | 001 |
| 1,2-Dichloroethane | daily maximum | ≤ .574 mg/L | all year | 001 |
| Toluene | monthly average | ≤ .028 mg/L | all year | 001 |
| Toluene | daily maximum | ≤ .074 mg/L | all year | 001 |
| Benzene | monthly average | ≤ .057 mg/L | all year | 001 |
| Benzene | daily maximum | ≤ .134 mg/L | all year | 001 |
| Chlorobenzene | monthly average | ≤ .142 mg/L | all year | 001 |
| Chlorobenzene | daily maximum | ≤ .38 mg/L | all year | 001 |
| Ethylbenzene | monthly average | ≤ .142 mg/L | all year | 001 |
| Ethylbenzene | daily maximum | ≤ .38 mg/L | all year | 001 |
| Methylene chloride | monthly average | ≤ .036 mg/L | all year | 001 |
| Methylene chloride | daily maximum | ≤ .17 mg/L | all year | 001 |
| Tetrachloroethylene | monthly average | ≤ .052 mg/L | all year | 001 |
| Tetrachloroethylene | daily maximum | ≤ .164 mg/L | all year | 001 |
| 1,1-Dichloroethane | monthly average | ≤ .022 mg/L | all year | 001 |
| 1,1-Dichloroethane | daily maximum | ≤ .059 mg/L | all year | 001 |
| 1,1,2-Trichloroethane | monthly average | ≤ .032 mg/L | all year | 001 |
| 1,1,2-Trichloroethane | daily maximum | ≤ .127 mg/L | all year | 001 |
| Trichloroethylene | monthly average | ≤ .026 mg/L | all year | 001 |
| Trichloroethylene | daily maximum | ≤ .069 mg/L | 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 |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| pH range excursions, > 60 minutes | monthly total | ≤ 0 occur/mo | all year | 001 |
| pH range excursions, monthly total accum | monthly total | ≤ 446 min | all year | 001 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | 001 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | 001 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | 001 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | 001 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | 001 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | 001 |
| Coef Of Var Static Renewal 48Hr Acute D. pulex | maximum | report only (%) | all year | 001 |
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | maximum | report only (%) | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 002 |
| Lead, total [as Pb] | daily maximum | ≤ .69 mg/L | all year | 002 |
| 1,2-Dichloroethane | daily maximum | ≤ .574 mg/L | all year | 002 |
| Methylene chloride | daily maximum | ≤ .17 mg/L | all year | 002 |
| 1,1-Dichloroethane | daily maximum | ≤ .059 mg/L | all year | 002 |
| 1,1,1-Trichloroethane | daily maximum | ≤ .059 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 | daily maximum | report only (MGD) | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 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 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 003 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 003 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 003 |
| Aluminum, total [as Al] | 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 |
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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Your permit document is the final word. As JSON: /api/v1/permits/LA0004090 · MCP: https://passage-data.com/mcp