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Shintech Louisiana, LLC- Addis Plant A

Plastics Materials And Resins, major discharger, Addis, Louisiana. NPDES permit LA0111023, in force until May 31, 2030. Last 12 months: no values over a limit, 11 of 84 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form A monthly (6 values), outfall 002 form A monthly (2 values), outfall 003 form Q quarterly (8 values), outfall 004 form Q quarterly (11 values), outfall 030A form Q quarterly (8 values), outfall 030B form Q quarterly (8 values), and 8 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 80 reports late

Limits in force (201)

ParameterStatisticLimitMonthsOutfall
pHminimumreport only (SU)all year001
pHmaximumreport only (SU)all year001
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)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
Whole Effluent Toxicity - Retest #3monthly average minimumreport only (pass=0;fail=1)all year001
Whole Effluent Toxicity - Retest #3monthly average minimumreport only (pass=0;fail=1)all year001
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all year001
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all year001
pH range excursions, > 60 minutesdaily maximum≤ 0 occur/dall year001
pH range excursions, monthly total accumdaily maximum≤ 446 min/dall year001
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexmonthly average minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (pass=0;fail=1)all year001
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all year001
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all year001
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexmonthly average minimumreport only (%)all year001
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimumreport only (%)all year001
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasmonthly average minimumreport only (%)all year001
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute D. pulexmaximumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute Pimephales promelasmaximumreport only (%)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
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
Aluminum, total [as Al]monthly averagereport only (mg/L)all year003
Aluminum, total [as Al]daily maximumreport only (mg/L)all 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
Solids, total suspendeddaily maximum≤ 90 mg/Lall year004
Solids, total suspendeddaily maximum≤ 90 mg/Lall year004
Oil & Greasedaily maximum≤ 15 mg/Lall year004
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year004
Lead, total [as Pb]daily maximum≤ 50 ug/Lall year004
Benzenedaily maximum≤ 50 ug/Lall year004
BTEXdaily maximum≤ 250 ug/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
pHinstantaneous minimum≥ 6 SUall year030A
pHinstantaneous maximum≤ 9 SUall year030A
Oil & Greasedaily maximum≤ 15 mg/Lall year030A
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year030A
Aluminum, total [as Al]monthly averagereport only (mg/L)all year030A
Aluminum, total [as Al]daily maximumreport only (mg/L)all year030A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year030A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year030A
pHinstantaneous minimum≥ 6 SUall year030B
pHinstantaneous maximum≤ 9 SUall year030B
Oil & Greasedaily maximum≤ 15 mg/Lall year030B
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year030B
Aluminum, total [as Al]monthly averagereport only (mg/L)all year030B
Aluminum, total [as Al]daily maximumreport only (mg/L)all year030B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year030B
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year030B
pHinstantaneous minimum≥ 6 SUall year040
pHinstantaneous maximum≤ 9 SUall year040
Solids, total suspendeddaily maximum≤ 90 mg/Lall year040
Solids, total suspendeddaily maximum≤ 90 mg/Lall year040
Oil & Greasedaily maximum≤ 15 mg/Lall year040
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year040
Lead, total [as Pb]daily maximum≤ 50 ug/Lall year040
Benzenedaily maximum≤ 50 ug/Lall year040
BTEXdaily maximum≤ 250 ug/Lall year040
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year040
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year040
BOD, 5-day, 20 deg. Cmonthly average≤ 340 lb/dall year101
BOD, 5-day, 20 deg. Cdaily maximum≤ 903 lb/dall year101
Solids, total suspendedmonthly average≤ 571 lb/dall year101
Solids, total suspendeddaily maximum≤ 1853 lb/dall year101
Carbon tetrachloridemonthly average≤ .25 lb/dall year101
Carbon tetrachloridedaily maximum≤ .53 lb/dall year101
1,2-Dichloroethanemonthly average≤ .94 lb/dall year101
1,2-Dichloroethanedaily maximum≤ 2.93 lb/dall year101
Chloroformmonthly average≤ .29 lb/dall year101
Chloroformdaily maximum≤ .64 lb/dall year101
Toluenemonthly average≤ .36 lb/dall year101
Toluenedaily maximum≤ 1.11 lb/dall year101
Benzenemonthly average≤ .51 lb/dall year101
Benzenedaily maximum≤ 1.89 lb/dall year101
Acenaphthylenemonthly average≤ .31 lb/dall year101
Acenaphthylenedaily maximum≤ .82 lb/dall year101
Acenaphthenemonthly average≤ .31 lb/dall year101
Acenaphthenedaily maximum≤ .82 lb/dall year101
Acrylonitrilemonthly average≤ 1.33 lb/dall year101
Acrylonitriledaily maximum≤ 3.36 lb/dall year101
Anthracenemonthly average≤ .31 lb/dall year101
Anthracenedaily maximum≤ .82 lb/dall year101
Benzo[b]fluoranthenemonthly average≤ .32 lb/dall year101
Benzo[b]fluoranthenedaily maximum≤ .85 lb/dall year101
Benzo[k]fluoranthenemonthly average≤ .31 lb/dall year101
Benzo[k]fluoranthenedaily maximum≤ .82 lb/dall year101
Benzo[a]pyrenemonthly average≤ .32 lb/dall year101
Benzo[a]pyrenedaily maximum≤ .85 lb/dall year101
Chlorobenzenemonthly average≤ .21 lb/dall year101
Chlorobenzenedaily maximum≤ .39 lb/dall year101
Chrysenemonthly average≤ .31 lb/dall year101
Chrysenedaily maximum≤ .82 lb/dall year101
Diethyl phthalatemonthly average≤ 1.12 lb/dall year101
Diethyl phthalatedaily maximum≤ 2.82 lb/dall year101
Dimethyl phthalatemonthly average≤ .26 lb/dall year101
Dimethyl phthalatedaily maximum≤ .65 lb/dall year101
Ethylbenzenemonthly average≤ .44 lb/dall year101
Ethylbenzenedaily maximum≤ 1.5 lb/dall year101
Fluoranthenemonthly average≤ .35 lb/dall year101
Fluoranthenedaily maximum≤ .94 lb/dall year101
Fluorenemonthly average≤ .31 lb/dall year101
Fluorenedaily maximum≤ .82 lb/dall year101
Hexachlorobutadienemonthly average≤ .28 lb/dall year101
Hexachlorobutadienedaily maximum≤ .68 lb/dall year101
Hexachloroethanemonthly average≤ .29 lb/dall year101
Hexachloroethanedaily maximum≤ .75 lb/dall year101
Methyl chloride [Chloromethane]monthly average≤ 1.19 lb/dall year101
Methyl chloride [Chloromethane]daily maximum≤ 2.64 lb/dall year101
Methylene chloridemonthly average≤ .56 lb/dall year101
Methylene chloridedaily maximum≤ 1.24 lb/dall year101
Nitrobenzenemonthly average≤ .37 lb/dall year101
Nitrobenzenedaily maximum≤ .94 lb/dall year101
Phenanthrenemonthly average≤ .31 lb/dall year101
Phenanthrenedaily maximum≤ .82 lb/dall year101
Pyrenemonthly average≤ .35 lb/dall year101
Pyrenedaily maximum≤ .93 lb/dall year101
Tetrachloroethylenemonthly average≤ .31 lb/dall year101
Tetrachloroethylenedaily maximum≤ .78 lb/dall year101
1,1-Dichloroethanemonthly average≤ .31 lb/dall year101
1,1-Dichloroethanedaily maximum≤ .82 lb/dall year101
1,1-Dichloroethylenemonthly average≤ .22 lb/dall year101
1,1-Dichloroethylenedaily maximum≤ .35 lb/dall year101
1,1,1-Trichloroethanemonthly average≤ .29 lb/dall year101
1,1,1-Trichloroethanedaily maximum≤ .75 lb/dall year101
1,1,2-Trichloroethanemonthly average≤ .29 lb/dall year101
1,1,2-Trichloroethanedaily maximum≤ .75 lb/dall year101
Benzo[a]anthracenemonthly average≤ .31 lb/dall year101
Benzo[a]anthracenedaily maximum≤ .82 lb/dall year101
1,2-Dichlorobenzenemonthly average≤ 1.07 lb/dall year101
1,2-Dichlorobenzenedaily maximum≤ 2.26 lb/dall year101
1,2-Dichloropropanemonthly average≤ 2.12 lb/dall year101
1,2-Dichloropropanedaily maximum≤ 3.19 lb/dall year101
trans-1,2-Dichloroethylenemonthly average≤ .29 lb/dall year101
trans-1,2-Dichloroethylenedaily maximum≤ .75 lb/dall year101
1,2,4-Trichlorobenzenemonthly average≤ .94 lb/dall year101
1,2,4-Trichlorobenzenedaily maximum≤ 1.94 lb/dall year101
1,3-Dichlorobenzenemonthly average≤ .43 lb/dall year101
1,3-Dichlorobenzenedaily maximum≤ .61 lb/dall year101
1,4-Dichlorobenzenemonthly average≤ .21 lb/dall year101
1,4-Dichlorobenzenedaily maximum≤ .39 lb/dall year101
2-Chlorophenolmonthly average≤ .43 lb/dall year101
2-Chlorophenoldaily maximum≤ 1.36 lb/dall year101
2-Nitrophenolmonthly average≤ .57 lb/dall year101
2-Nitrophenoldaily maximum≤ .96 lb/dall year101
2,4-Dichlorophenolmonthly average≤ .54 lb/dall year101
2,4-Dichlorophenoldaily maximum≤ 1.55 lb/dall year101
2,4-Dimethylphenolmonthly average≤ .25 lb/dall year101
2,4-Dimethylphenoldaily maximum≤ .5 lb/dall year101
2,4-Dinitrotoluenemonthly average≤ 1.57 lb/dall year101
2,4-Dinitrotoluenedaily maximum≤ 3.96 lb/dall year101
2,4-Dinitrophenolmonthly average≤ .99 lb/dall year101
2,4-Dinitrophenoldaily maximum≤ 1.71 lb/dall year101
2,6-Dinitrotoluenemonthly average≤ 3.54 lb/dall year101
2,6-Dinitrotoluenedaily maximum≤ 8.9 lb/dall year101
4-Nitrophenolmonthly average≤ 1 lb/dall year101
4-Nitrophenoldaily maximum≤ 1.72 lb/dall year101
4,6-Dinitro-o-cresolmonthly average≤ 1.08 lb/dall year101
4,6-Dinitro-o-cresoldaily maximum≤ 3.84 lb/dall year101
Phenolmonthly average≤ .21 lb/dall year101
Phenoldaily maximum≤ .36 lb/dall year101
Naphthalenemonthly average≤ .31 lb/dall year101
Naphthalenedaily maximum≤ .82 lb/dall year101
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 1.43 lb/dall year101
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 3.87 lb/dall year101
Di-n-butyl phthalatemonthly average≤ .37 lb/dall year101
Di-n-butyl phthalatedaily maximum≤ .79 lb/dall year101
Vinyl chloridemonthly average≤ 1.44 lb/dall year101
Vinyl chloridedaily maximum≤ 3.72 lb/dall year101
Trichloroethylenemonthly average≤ .29 lb/dall year101
Trichloroethylenedaily maximum≤ .75 lb/dall year101
Hexachlorobenzenemonthly average≤ .21 lb/dall year101
Hexachlorobenzenedaily maximum≤ .39 lb/dall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
1,3-Dichloropropylenemonthly average≤ .4 lb/dall year101
1,3-Dichloropropylenedaily maximum≤ .61 lb/dall year101
Chloroethanemonthly average≤ 1.44 lb/dall year101
Chloroethanedaily maximum≤ 3.72 lb/dall year101
Oil & Greasedaily maximum≤ 15 mg/Lall year201
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year201
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year201
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year201
Cycles Of Concentrationmonthly average minimum≥ 3 call yearCT01
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearIT01
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearIT01

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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