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Synthetic Rubber, major discharger, Baton Rouge, Louisiana. NPDES permit LA0000914 expired Oct 31, 2025; its limits still apply. Last 12 months: over a limit once (last December 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Coliform, fecal general, daily maximum | 980 #/100mL | ≤ 400 #/100mL | 145% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 144 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 216 lb/d | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 1358 lb/d | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 2036 lb/d | 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 | ≤ 257 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 386 lb/d | all year | 001 |
| Oil and grease | monthly average | ≤ 58 lb/d | all year | 001 |
| Oil and grease | daily maximum | ≤ 86 lb/d | 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 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 001 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 001 |
| Whole Effluent Toxicity [WET] - D. pulex | 48-hour minimum | ≥ 41 % | all year | 001 |
| Whole Effluent Toxicity [WET] - D. pulex | monthly average minimum | ≥ 41 % | all year | 001 |
| Whole Effluent Toxicity [WET] - P. promelas | 48-hour minimum | ≥ 41 % | all year | 001 |
| Whole Effluent Toxicity [WET] - P. promelas | monthly average minimum | ≥ 41 % | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | 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 | 010 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 010 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 010 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 010 |
| Cadmium, total [as Cd] | monthly average | report only (mg/L) | all year | 010 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 010 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 010 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 010 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 010 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 010 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 010 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 010 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 010 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 010 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 010 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 010 |
| Mercury, total [as Hg] | monthly average | report only (mg/L) | all year | 010 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 010 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 014 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 014 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 014 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 014 |
| Arsenic, total [as As] | monthly average | report only (mg/L) | all year | 014 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 014 |
| Cadmium, total [as Cd] | monthly average | report only (mg/L) | all year | 014 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 014 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 014 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 014 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 014 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 014 |
| Nickel, total [as Ni] | monthly average | report only (mg/L) | all year | 014 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 014 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 014 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 014 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 014 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 014 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 014 |
| Mercury, total [as Hg] | monthly average | report only (mg/L) | all year | 014 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 014 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 015 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 015 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 015 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 015 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 015 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 015 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 015 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 015 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 015 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 015 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 020 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 020 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 020 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 020 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 020 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 020 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 020 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 020 |
| Phenolics, total recoverable | monthly average | report only (mg/L) | all year | 020 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 020 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 020 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 020 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 020 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 020 |
| Mercury, total [as Hg] | monthly average | report only (mg/L) | all year | 020 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 020 |
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/LA0000914 · MCP: https://passage-data.com/mcp