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Firestone Polymers, LLC - Lake Charles Facility

Synthetic Rubber, major discharger, Lake Charles, Louisiana. NPDES permit LA0003824, in force until Jan 31, 2027. Last 12 months: over a limit once (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (18 values), outfall 001 form ME quarterly (9 values), outfall 001 form MY quarterly (9 values), outfall 001 form Q quarterly (4 values), outfall 003 form Q quarterly (6 values), outfall 004 form Q quarterly (6 values), and 1 more form
Renewal application due
Aug 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 7 of 34 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
September 2026BOD, 5-day, 20 deg. C, daily maximum1899.12 lb/d≤ 676 lb/d181%

Limits in force (58)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly average≤ 95 deg Fall year001
Temperature, water deg. fahrenheitdaily maximum≤ 100 deg Fall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 451 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 676 lb/dall year001
Oxygen demand, chem. [high level] [COD]monthly average≤ 2343 lb/dall year001
Oxygen demand, chem. [high level] [COD]daily maximum≤ 3515 lb/dall year001
pHminimumreport only (SU)all year001
pHmaximumreport only (SU)all year001
Solids, total suspendedmonthly average≤ 848 lb/dall year001
Solids, total suspendeddaily maximum≤ 1278 lb/dall year001
Oil & Greasemonthly average≤ 209 lb/dall year001
Oil & Greasedaily maximum≤ 313 lb/dall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 92.5 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 185 lb/dall year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
pH range excursions, > 60 minutesmonthly total≤ 0 occur/moall year001
pH range excursions, monthly total accummonthly total≤ 446 minall year001
Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7Day Chronic Menidiamonthly average minimumreport only (pass=0;fail=1)all year001
Pass/Fail Static Renewal 7Day Chronic Menidia7-day minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (pass=0;fail=1)all year001
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all year001
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all year001
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all year001
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all year001
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all year001
Coef Of Var Static Renewal 7Day Chronic Americamysis bahia (formerly Mysidopsis bahia)maximumreport only (%)all year001
Coef Of Var Static Renewal 7Day Chronic Menidia menidiamaximumreport only (%)all year001
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Oil & Greasedaily maximum≤ 15 mg/Lall year004
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Enterococcimonthly average≤ 35 #/100mLall year101
Enterococcidaily maximum≤ 135 #/100mLall year101
Coliform, fecal generalmonthly average≤ 200 #/100mLall year101
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year101

How strict are these limits?

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/LA0003824 · MCP: https://passage-data.com/mcp