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Dow Hydrocarbons & Resources, LLC

Industrial Organic Chemicals, major discharger, Hahnville, Louisiana. NPDES permit LA0000191 expired Oct 31, 2022; its limits still apply. Last 12 months: over a limit once (last January 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (6 values), outfall 001 form DA quarterly (6 values), outfall 001 form PI quarterly (6 values), outfall 001 form Q quarterly (2 values), outfall 102 form A monthly (4 values), outfall 103 form Q quarterly (8 values), and 10 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 7 of 112 reports late

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

Period endingParameterReportedLimitOver by
January 2026Oil & Grease, daily maximum45.3 mg/L≤ 15 mg/L202%

Limits in force (506)

ParameterStatisticLimitMonthsOutfall
pHminimumreport only (SU)all year001
pHmaximumreport only (SU)all year001
Hexachlorobenzenemonthly average≤ .35 lb/dall year001
Hexachlorobenzenedaily maximum≤ .84 lb/dall 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
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. pulexmonthly average minimumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute D. pulex48-hour minimumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (%)all year001
Oil & Greasedaily maximum≤ 15 mg/Lall year102
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year102
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year102
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year102
Oil & Greasedaily maximum≤ 15 mg/Lall year103
Oil & Greasedaily maximum≤ 15 mg/Lall year103
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year103
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year103
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year103
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year103
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year103
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year103
Oil & Greasedaily maximum≤ 15 mg/Lall year401
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year401
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year401
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year401
BOD, 5-day, 20 deg. Cmonthly average≤ 3141 lb/dall year402
BOD, 5-day, 20 deg. Cdaily maximum≤ 6587 lb/dall year402
pHinstantaneous minimum≥ 6 SUall year402
pHinstantaneous maximum≤ 9 SUall year402
Solids, total suspendedmonthly average≤ 6910 lb/dall year402
Solids, total suspendeddaily maximum≤ 16155 lb/dall year402
Nitrogen, total [as N]monthly averagereport only (lb/d)all year402
Nitrogen, total [as N]daily maximumreport only (lb/d)all year402
Nitrogen, ammonia total [as N]monthly average≤ 565 lb/dJan, Feb, Mar, Oct, Nov, Dec402
Nitrogen, ammonia total [as N]monthly average≤ 377 lb/dApr–Sep402
Nitrogen, ammonia total [as N]daily maximum≤ 1414 lb/dJan, Feb, Mar, Oct, Nov, Dec402
Nitrogen, ammonia total [as N]daily maximum≤ 842 lb/dApr–Sep402
Phosphorus, total [as P]monthly averagereport only (lb/d)all year402
Phosphorus, total [as P]daily maximumreport only (lb/d)all year402
Carbon tetrachloridemonthly average≤ .68 lb/dall year402
Carbon tetrachloridemonthly average≤ .68 lb/dall year402
Carbon tetrachloridedaily maximum≤ 1.43 lb/dall year402
Carbon tetrachloridedaily maximum≤ 1.43 lb/dall year402
1,2-Dichloroethanemonthly average≤ 2.56 lb/dall year402
1,2-Dichloroethanemonthly average≤ 2.56 lb/dall year402
1,2-Dichloroethanedaily maximum≤ 7.95 lb/dall year402
1,2-Dichloroethanedaily maximum≤ 7.95 lb/dall year402
Chloroformmonthly average≤ .79 lb/dall year402
Chloroformmonthly average≤ .79 lb/dall year402
Chloroformdaily maximum≤ 1.73 lb/dall year402
Chloroformdaily maximum≤ 1.73 lb/dall year402
Toluenemonthly average≤ .98 lb/dall year402
Toluenemonthly average≤ .98 lb/dall year402
Toluenedaily maximum≤ 3.02 lb/dall year402
Toluenedaily maximum≤ 3.02 lb/dall year402
Benzenemonthly average≤ 1.39 lb/dall year402
Benzenemonthly average≤ 1.39 lb/dall year402
Benzenedaily maximum≤ 5.13 lb/dall year402
Benzenedaily maximum≤ 5.13 lb/dall year402
Acenaphthylenemonthly average≤ .83 lb/dall year402
Acenaphthylenemonthly average≤ .83 lb/dall year402
Acenaphthylenedaily maximum≤ 2.22 lb/dall year402
Acenaphthylenedaily maximum≤ 2.22 lb/dall year402
Acenaphthenemonthly average≤ .83 lb/dall year402
Acenaphthenemonthly average≤ .83 lb/dall year402
Acenaphthenedaily maximum≤ 2.22 lb/dall year402
Acenaphthenedaily maximum≤ 2.22 lb/dall year402
Acrylonitrilemonthly average≤ 3.62 lb/dall year402
Acrylonitrilemonthly average≤ 3.62 lb/dall year402
Acrylonitriledaily maximum≤ 9.12 lb/dall year402
Acrylonitriledaily maximum≤ 9.12 lb/dall year402
Anthracenemonthly average≤ .83 lb/dall year402
Anthracenemonthly average≤ .83 lb/dall year402
Anthracenedaily maximum≤ 2.22 lb/dall year402
Anthracenedaily maximum≤ 2.22 lb/dall year402
Benzo[b]fluoranthenemonthly average≤ .87 lb/dall year402
Benzo[b]fluoranthenemonthly average≤ .87 lb/dall year402
Benzo[b]fluoranthenedaily maximum≤ 2.3 lb/dall year402
Benzo[b]fluoranthenedaily maximum≤ 2.3 lb/dall year402
Benzo[k]fluoranthenemonthly average≤ .83 lb/dall year402
Benzo[k]fluoranthenemonthly average≤ .83 lb/dall year402
Benzo[k]fluoranthenedaily maximum≤ 2.22 lb/dall year402
Benzo[k]fluoranthenedaily maximum≤ 2.22 lb/dall year402
Benzo[a]pyrenemonthly average≤ .87 lb/dall year402
Benzo[a]pyrenemonthly average≤ .87 lb/dall year402
Benzo[a]pyrenedaily maximum≤ 2.3 lb/dall year402
Benzo[a]pyrenedaily maximum≤ 2.3 lb/dall year402
Chlorobenzenemonthly average≤ .57 lb/dall year402
Chlorobenzenemonthly average≤ .57 lb/dall year402
Chlorobenzenedaily maximum≤ 1.06 lb/dall year402
Chlorobenzenedaily maximum≤ 1.06 lb/dall year402
Chrysenemonthly average≤ .83 lb/dall year402
Chrysenemonthly average≤ .83 lb/dall year402
Chrysenedaily maximum≤ 2.22 lb/dall year402
Chrysenedaily maximum≤ 2.22 lb/dall year402
Diethyl phthalatemonthly average≤ 3.05 lb/dall year402
Diethyl phthalatemonthly average≤ 3.05 lb/dall year402
Diethyl phthalatedaily maximum≤ 7.65 lb/dall year402
Diethyl phthalatedaily maximum≤ 7.65 lb/dall year402
Dimethyl phthalatemonthly average≤ .72 lb/dall year402
Dimethyl phthalatemonthly average≤ .72 lb/dall year402
Dimethyl phthalatedaily maximum≤ 1.77 lb/dall year402
Dimethyl phthalatedaily maximum≤ 1.77 lb/dall year402
Ethylbenzenemonthly average≤ 1.21 lb/dall year402
Ethylbenzenemonthly average≤ 1.21 lb/dall year402
Ethylbenzenedaily maximum≤ 4.07 lb/dall year402
Ethylbenzenedaily maximum≤ 4.07 lb/dall year402
Fluoranthenemonthly average≤ .94 lb/dall year402
Fluoranthenemonthly average≤ .94 lb/dall year402
Fluoranthenedaily maximum≤ 2.56 lb/dall year402
Fluoranthenedaily maximum≤ 2.56 lb/dall year402
Fluorenemonthly average≤ .83 lb/dall year402
Fluorenemonthly average≤ .83 lb/dall year402
Fluorenedaily maximum≤ 2.22 lb/dall year402
Fluorenedaily maximum≤ 2.22 lb/dall year402
Hexachlorobutadienemonthly average≤ .75 lb/dall year402
Hexachlorobutadienemonthly average≤ .75 lb/dall year402
Hexachlorobutadienedaily maximum≤ 1.85 lb/dall year402
Hexachlorobutadienedaily maximum≤ 1.85 lb/dall year402
Hexachloroethanemonthly average≤ .79 lb/dall year402
Hexachloroethanemonthly average≤ .79 lb/dall year402
Hexachloroethanedaily maximum≤ 2.04 lb/dall year402
Hexachloroethanedaily maximum≤ 2.04 lb/dall year402
Methyl chloride [Chloromethane]monthly average≤ 3.24 lb/dall year402
Methyl chloride [Chloromethane]monthly average≤ 3.24 lb/dall year402
Methyl chloride [Chloromethane]daily maximum≤ 7.16 lb/dall year402
Methyl chloride [Chloromethane]daily maximum≤ 7.16 lb/dall year402
Methylene chloridemonthly average≤ 1.51 lb/dall year402
Methylene chloridemonthly average≤ 1.51 lb/dall year402
Methylene chloridedaily maximum≤ 3.36 lb/dall year402
Methylene chloridedaily maximum≤ 3.36 lb/dall year402
Nitrobenzenemonthly average≤ 1.02 lb/dall year402
Nitrobenzenemonthly average≤ 1.02 lb/dall year402
Nitrobenzenedaily maximum≤ 2.56 lb/dall year402
Nitrobenzenedaily maximum≤ 2.56 lb/dall year402
Phenanthrenemonthly average≤ .83 lb/dall year402
Phenanthrenemonthly average≤ .83 lb/dall year402
Phenanthrenedaily maximum≤ 2.22 lb/dall year402
Phenanthrenedaily maximum≤ 2.22 lb/dall year402
Pyrenemonthly average≤ .94 lb/dall year402
Pyrenemonthly average≤ .94 lb/dall year402
Pyrenedaily maximum≤ 2.53 lb/dall year402
Pyrenedaily maximum≤ 2.53 lb/dall year402
Tetrachloroethylenemonthly average≤ .83 lb/dall year402
Tetrachloroethylenemonthly average≤ .83 lb/dall year402
Tetrachloroethylenedaily maximum≤ 2.11 lb/dall year402
Tetrachloroethylenedaily maximum≤ 2.11 lb/dall year402
1,1-Dichloroethanemonthly average≤ .83 lb/dall year402
1,1-Dichloroethanemonthly average≤ .83 lb/dall year402
1,1-Dichloroethanedaily maximum≤ 2.22 lb/dall year402
1,1-Dichloroethanedaily maximum≤ 2.22 lb/dall year402
1,1-Dichloroethylenemonthly average≤ .6 lb/dall year402
1,1-Dichloroethylenemonthly average≤ .6 lb/dall year402
1,1-Dichloroethylenedaily maximum≤ .94 lb/dall year402
1,1-Dichloroethylenedaily maximum≤ .94 lb/dall year402
1,1,1-Trichloroethanemonthly average≤ .79 lb/dall year402
1,1,1-Trichloroethanemonthly average≤ .79 lb/dall year402
1,1,1-Trichloroethanedaily maximum≤ 2.04 lb/dall year402
1,1,1-Trichloroethanedaily maximum≤ 2.04 lb/dall year402
1,1,2-Trichloroethanemonthly average≤ .79 lb/dall year402
1,1,2-Trichloroethanemonthly average≤ .79 lb/dall year402
1,1,2-Trichloroethanedaily maximum≤ 2.04 lb/dall year402
1,1,2-Trichloroethanedaily maximum≤ 2.04 lb/dall year402
Benzo[a]anthracenemonthly average≤ .83 lb/dall year402
Benzo[a]anthracenemonthly average≤ .83 lb/dall year402
Benzo[a]anthracenedaily maximum≤ 2.22 lb/dall year402
Benzo[a]anthracenedaily maximum≤ 2.22 lb/dall year402
1,2-Dichlorobenzenemonthly average≤ 2.09 lb/dall year402
1,2-Dichlorobenzenemonthly average≤ 2.09 lb/dall year402
1,2-Dichlorobenzenedaily maximum≤ 6.14 lb/dall year402
1,2-Dichlorobenzenedaily maximum≤ 6.14 lb/dall year402
1,2-Dichloropropanemonthly average≤ 5.77 lb/dall year402
1,2-Dichloropropanemonthly average≤ 5.77 lb/dall year402
1,2-Dichloropropanedaily maximum≤ 8.67 lb/dall year402
1,2-Dichloropropanedaily maximum≤ 8.67 lb/dall year402
trans-1,2-Dichloroethylenemonthly average≤ .79 lb/dall year402
trans-1,2-Dichloroethylenemonthly average≤ .79 lb/dall year402
trans-1,2-Dichloroethylenedaily maximum≤ 2.04 lb/dall year402
trans-1,2-Dichloroethylenedaily maximum≤ 2.04 lb/dall year402
1,2,4-Trichlorobenzenemonthly average≤ 2.56 lb/dall year402
1,2,4-Trichlorobenzenemonthly average≤ 2.56 lb/dall year402
1,2,4-Trichlorobenzenedaily maximum≤ 5.28 lb/dall year402
1,2,4-Trichlorobenzenedaily maximum≤ 5.28 lb/dall year402
1,3-Dichlorobenzenemonthly average≤ 1.17 lb/dall year402
1,3-Dichlorobenzenemonthly average≤ 1.17 lb/dall year402
1,3-Dichlorobenzenedaily maximum≤ 1.66 lb/dall year402
1,3-Dichlorobenzenedaily maximum≤ 1.66 lb/dall year402
1,4-Dichlorobenzenemonthly average≤ .57 lb/dall year402
1,4-Dichlorobenzenemonthly average≤ .57 lb/dall year402
1,4-Dichlorobenzenedaily maximum≤ 1.06 lb/dall year402
1,4-Dichlorobenzenedaily maximum≤ 1.06 lb/dall year402
2-Chlorophenolmonthly average≤ 1.17 lb/dall year402
2-Chlorophenolmonthly average≤ 1.17 lb/dall year402
2-Chlorophenoldaily maximum≤ 3.69 lb/dall year402
2-Chlorophenoldaily maximum≤ 3.69 lb/dall year402
2-Nitrophenolmonthly average≤ 1.55 lb/dall year402
2-Nitrophenolmonthly average≤ 1.55 lb/dall year402
2-Nitrophenoldaily maximum≤ 2.6 lb/dall year402
2-Nitrophenoldaily maximum≤ 2.6 lb/dall year402
2,4-Dichlorophenolmonthly average≤ 1.47 lb/dall year402
2,4-Dichlorophenolmonthly average≤ 1.47 lb/dall year402
2,4-Dichlorophenoldaily maximum≤ 4.22 lb/dall year402
2,4-Dichlorophenoldaily maximum≤ 4.22 lb/dall year402
2,4-Dimethylphenolmonthly average≤ .68 lb/dall year402
2,4-Dimethylphenolmonthly average≤ .68 lb/dall year402
2,4-Dimethylphenoldaily maximum≤ 1.36 lb/dall year402
2,4-Dimethylphenoldaily maximum≤ 1.36 lb/dall year402
2,4-Dinitrotoluenemonthly average≤ 4.26 lb/dall year402
2,4-Dinitrotoluenemonthly average≤ 4.26 lb/dall year402
2,4-Dinitrotoluenedaily maximum≤ 10.74 lb/dall year402
2,4-Dinitrotoluenedaily maximum≤ 10.74 lb/dall year402
2,4-Dinitrophenolmonthly average≤ 2.68 lb/dall year402
2,4-Dinitrophenolmonthly average≤ 2.68 lb/dall year402
2,4-Dinitrophenoldaily maximum≤ 4.64 lb/dall year402
2,4-Dinitrophenoldaily maximum≤ 4.64 lb/dall year402
2,6-Dinitrotoluenemonthly average≤ 9.61 lb/dall year402
2,6-Dinitrotoluenemonthly average≤ 9.61 lb/dall year402
2,6-Dinitrotoluenedaily maximum≤ 24.16 lb/dall year402
2,6-Dinitrotoluenedaily maximum≤ 24.16 lb/dall year402
4-Nitrophenolmonthly average≤ 2.71 lb/dall year402
4-Nitrophenolmonthly average≤ 2.71 lb/dall year402
4-Nitrophenoldaily maximum≤ 4.67 lb/dall year402
4-Nitrophenoldaily maximum≤ 4.67 lb/dall year402
4,6-Dinitro-o-cresolmonthly average≤ 2.94 lb/dall year402
4,6-Dinitro-o-cresolmonthly average≤ 2.94 lb/dall year402
4,6-Dinitro-o-cresoldaily maximum≤ 10.44 lb/dall year402
4,6-Dinitro-o-cresoldaily maximum≤ 10.44 lb/dall year402
Phenolmonthly average≤ .57 lb/dall year402
Phenolmonthly average≤ .57 lb/dall year402
Phenoldaily maximum≤ .98 lb/dall year402
Phenoldaily maximum≤ .98 lb/dall year402
Naphthalenemonthly average≤ .83 lb/dall year402
Naphthalenemonthly average≤ .83 lb/dall year402
Naphthalenedaily maximum≤ 2.22 lb/dall year402
Naphthalenedaily maximum≤ 2.22 lb/dall year402
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 3.88 lb/dall year402
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 3.88 lb/dall year402
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 10.52 lb/dall year402
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 10.52 lb/dall year402
Di-n-butyl phthalatemonthly average≤ 1.02 lb/dall year402
Di-n-butyl phthalatemonthly average≤ 1.02 lb/dall year402
Di-n-butyl phthalatedaily maximum≤ 2.15 lb/dall year402
Di-n-butyl phthalatedaily maximum≤ 2.15 lb/dall year402
Vinyl chloridemonthly average≤ 3.92 lb/dall year402
Vinyl chloridemonthly average≤ 3.92 lb/dall year402
Vinyl chloridedaily maximum≤ 10.1 lb/dall year402
Vinyl chloridedaily maximum≤ 10.1 lb/dall year402
Trichloroethylenemonthly average≤ .79 lb/dall year402
Trichloroethylenemonthly average≤ .79 lb/dall year402
Trichloroethylenedaily maximum≤ 2.04 lb/dall year402
Trichloroethylenedaily maximum≤ 2.04 lb/dall year402
Hexachlorobenzenemonthly average≤ .57 lb/dall year402
Hexachlorobenzenemonthly average≤ .57 lb/dall year402
Hexachlorobenzenedaily maximum≤ 1.06 lb/dall year402
Hexachlorobenzenedaily maximum≤ 1.06 lb/dall year402
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year402
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year402
1,3-Dichloropropylenemonthly average≤ 1.09 lb/dall year402
1,3-Dichloropropylenemonthly average≤ 1.09 lb/dall year402
1,3-Dichloropropylenedaily maximum≤ 1.66 lb/dall year402
1,3-Dichloropropylenedaily maximum≤ 1.66 lb/dall year402
Chloroethanemonthly average≤ 3.92 lb/dall year402
Chloroethanemonthly average≤ 3.92 lb/dall year402
Chloroethanedaily maximum≤ 10.1 lb/dall year402
Chloroethanedaily maximum≤ 10.1 lb/dall year402
BOD, 5-day, 20 deg. Cmonthly average≤ 142 lb/dall year601
BOD, 5-day, 20 deg. Cdaily maximum≤ 379 lb/dall year601
pHinstantaneous minimum≥ 6 SUall year601
pHinstantaneous maximum≤ 9 SUall year601
Solids, total suspendedmonthly average≤ 237 lb/dall year601
Solids, total suspendeddaily maximum≤ 770 lb/dall year601
Carbon tetrachloridemonthly average≤ .84 lb/dall year601
Carbon tetrachloridemonthly average≤ .84 lb/dall year601
Carbon tetrachloridedaily maximum≤ 2.25 lb/dall year601
Carbon tetrachloridedaily maximum≤ 2.25 lb/dall year601
1,2-Dichloroethanemonthly average≤ 1.07 lb/dall year601
1,2-Dichloroethanemonthly average≤ 1.07 lb/dall year601
1,2-Dichloroethanedaily maximum≤ 3.4 lb/dall year601
1,2-Dichloroethanedaily maximum≤ 3.4 lb/dall year601
Chloroformmonthly average≤ .66 lb/dall year601
Chloroformmonthly average≤ .66 lb/dall year601
Chloroformdaily maximum≤ 1.92 lb/dall year601
Chloroformdaily maximum≤ 1.92 lb/dall year601
Toluenemonthly average≤ .17 lb/dall year601
Toluenemonthly average≤ .17 lb/dall year601
Toluenedaily maximum≤ .44 lb/dall year601
Toluenedaily maximum≤ .44 lb/dall year601
Benzenemonthly average≤ .34 lb/dall year601
Benzenemonthly average≤ .34 lb/dall year601
Benzenedaily maximum≤ .79 lb/dall year601
Benzenedaily maximum≤ .79 lb/dall year601
Acenaphthylenemonthly average≤ .11 lb/dall year601
Acenaphthylenemonthly average≤ .11 lb/dall year601
Acenaphthylenedaily maximum≤ .28 lb/dall year601
Acenaphthylenedaily maximum≤ .28 lb/dall year601
Acenaphthenemonthly average≤ .11 lb/dall year601
Acenaphthenemonthly average≤ .11 lb/dall year601
Acenaphthenedaily maximum≤ .28 lb/dall year601
Acenaphthenedaily maximum≤ .28 lb/dall year601
Acrylonitrilemonthly average≤ .56 lb/dall year601
Acrylonitrilemonthly average≤ .56 lb/dall year601
Acrylonitriledaily maximum≤ 1.37 lb/dall year601
Acrylonitriledaily maximum≤ 1.37 lb/dall year601
Anthracenemonthly average≤ .11 lb/dall year601
Anthracenemonthly average≤ .11 lb/dall year601
Anthracenedaily maximum≤ .28 lb/dall year601
Anthracenedaily maximum≤ .28 lb/dall year601
Benzo[b]fluoranthenemonthly average≤ .12 lb/dall year601
Benzo[b]fluoranthenemonthly average≤ .12 lb/dall year601
Benzo[b]fluoranthenedaily maximum≤ .28 lb/dall year601
Benzo[b]fluoranthenedaily maximum≤ .28 lb/dall year601
Benzo[k]fluoranthenemonthly average≤ .11 lb/dall year601
Benzo[k]fluoranthenemonthly average≤ .11 lb/dall year601
Benzo[k]fluoranthenedaily maximum≤ .28 lb/dall year601
Benzo[k]fluoranthenedaily maximum≤ .28 lb/dall year601
Benzo[a]pyrenemonthly average≤ .12 lb/dall year601
Benzo[a]pyrenemonthly average≤ .12 lb/dall year601
Benzo[a]pyrenedaily maximum≤ .28 lb/dall year601
Benzo[a]pyrenedaily maximum≤ .28 lb/dall year601
Chlorobenzenemonthly average≤ .84 lb/dall year601
Chlorobenzenemonthly average≤ .84 lb/dall year601
Chlorobenzenedaily maximum≤ 2.25 lb/dall year601
Chlorobenzenedaily maximum≤ 2.25 lb/dall year601
Chrysenemonthly average≤ .11 lb/dall year601
Chrysenemonthly average≤ .11 lb/dall year601
Chrysenedaily maximum≤ .28 lb/dall year601
Chrysenedaily maximum≤ .28 lb/dall year601
Diethyl phthalatemonthly average≤ .27 lb/dall year601
Diethyl phthalatemonthly average≤ .27 lb/dall year601
Diethyl phthalatedaily maximum≤ .67 lb/dall year601
Diethyl phthalatedaily maximum≤ .67 lb/dall year601
Dimethyl phthalatemonthly average≤ .11 lb/dall year601
Dimethyl phthalatemonthly average≤ .11 lb/dall year601
Dimethyl phthalatedaily maximum≤ .28 lb/dall year601
Dimethyl phthalatedaily maximum≤ .28 lb/dall year601
Ethylbenzenemonthly average≤ .84 lb/dall year601
Ethylbenzenemonthly average≤ .84 lb/dall year601
Ethylbenzenedaily maximum≤ 2.25 lb/dall year601
Ethylbenzenedaily maximum≤ 2.25 lb/dall year601
Fluoranthenemonthly average≤ .13 lb/dall year601
Fluoranthenemonthly average≤ .13 lb/dall year601
Fluoranthenedaily maximum≤ .32 lb/dall year601
Fluoranthenedaily maximum≤ .32 lb/dall year601
Fluorenemonthly average≤ .11 lb/dall year601
Fluorenemonthly average≤ .11 lb/dall year601
Fluorenedaily maximum≤ .28 lb/dall year601
Fluorenedaily maximum≤ .28 lb/dall year601
Hexachlorobutadienemonthly average≤ .84 lb/dall year601
Hexachlorobutadienemonthly average≤ .84 lb/dall year601
Hexachlorobutadienedaily maximum≤ 2.25 lb/dall year601
Hexachlorobutadienedaily maximum≤ 2.25 lb/dall year601
Hexachloroethanemonthly average≤ 1.16 lb/dall year601
Hexachloroethanemonthly average≤ 1.16 lb/dall year601
Hexachloroethanedaily maximum≤ 4.7 lb/dall year601
Hexachloroethanedaily maximum≤ 4.7 lb/dall year601
Methyl chloride [Chloromethane]monthly average≤ .65 lb/dall year601
Methyl chloride [Chloromethane]monthly average≤ .65 lb/dall year601
Methyl chloride [Chloromethane]daily maximum≤ 1.75 lb/dall year601
Methyl chloride [Chloromethane]daily maximum≤ 1.75 lb/dall year601
Methylene chloridemonthly average≤ .21 lb/dall year601
Methylene chloridemonthly average≤ .21 lb/dall year601
Methylene chloridedaily maximum≤ 1.01 lb/dall year601
Methylene chloridedaily maximum≤ 1.01 lb/dall year601
Nitrobenzenemonthly average≤ 13.25 lb/dall year601
Nitrobenzenemonthly average≤ 13.25 lb/dall year601
Nitrobenzenedaily maximum≤ 37.91 lb/dall year601
Nitrobenzenedaily maximum≤ 37.91 lb/dall year601
Phenanthrenemonthly average≤ .11 lb/dall year601
Phenanthrenemonthly average≤ .11 lb/dall year601
Phenanthrenedaily maximum≤ .28 lb/dall year601
Phenanthrenedaily maximum≤ .28 lb/dall year601
Pyrenemonthly average≤ .12 lb/dall year601
Pyrenemonthly average≤ .12 lb/dall year601
Pyrenedaily maximum≤ .28 lb/dall year601
Pyrenedaily maximum≤ .28 lb/dall year601
Tetrachloroethylenemonthly average≤ .31 lb/dall year601
Tetrachloroethylenemonthly average≤ .31 lb/dall year601
Tetrachloroethylenedaily maximum≤ .97 lb/dall year601
Tetrachloroethylenedaily maximum≤ .97 lb/dall year601
1,1-Dichloroethanemonthly average≤ .13 lb/dall year601
1,1-Dichloroethanemonthly average≤ .13 lb/dall year601
1,1-Dichloroethanedaily maximum≤ .35 lb/dall year601
1,1-Dichloroethanedaily maximum≤ .35 lb/dall year601
1,1-Dichloroethylenemonthly average≤ .13 lb/dall year601
1,1-Dichloroethylenemonthly average≤ .13 lb/dall year601
1,1-Dichloroethylenedaily maximum≤ .36 lb/dall year601
1,1-Dichloroethylenedaily maximum≤ .36 lb/dall year601
1,1,1-Trichloroethanemonthly average≤ .13 lb/dall year601
1,1,1-Trichloroethanemonthly average≤ .13 lb/dall year601
1,1,1-Trichloroethanedaily maximum≤ .35 lb/dall year601
1,1,1-Trichloroethanedaily maximum≤ .35 lb/dall year601
1,1,2-Trichloroethanemonthly average≤ .19 lb/dall year601
1,1,2-Trichloroethanemonthly average≤ .19 lb/dall year601
1,1,2-Trichloroethanedaily maximum≤ .75 lb/dall year601
1,1,2-Trichloroethanedaily maximum≤ .75 lb/dall year601
Benzo[a]anthracenemonthly average≤ .11 lb/dall year601
Benzo[a]anthracenemonthly average≤ .11 lb/dall year601
Benzo[a]anthracenedaily maximum≤ .28 lb/dall year601
Benzo[a]anthracenedaily maximum≤ .28 lb/dall year601
1,2-Dichlorobenzenemonthly average≤ 1.16 lb/dall year601
1,2-Dichlorobenzenemonthly average≤ 1.16 lb/dall year601
1,2-Dichlorobenzenedaily maximum≤ 4.7 lb/dall year601
1,2-Dichlorobenzenedaily maximum≤ 4.7 lb/dall year601
1,2-Dichloropropanemonthly average≤ 1.16 lb/dall year601
1,2-Dichloropropanemonthly average≤ 1.16 lb/dall year601
1,2-Dichloropropanedaily maximum≤ 4.7 lb/dall year601
1,2-Dichloropropanedaily maximum≤ 4.7 lb/dall year601
trans-1,2-Dichloroethylenemonthly average≤ .15 lb/dall year601
trans-1,2-Dichloroethylenemonthly average≤ .15 lb/dall year601
trans-1,2-Dichloroethylenedaily maximum≤ .39 lb/dall year601
trans-1,2-Dichloroethylenedaily maximum≤ .39 lb/dall year601
1,2,4-Trichlorobenzenemonthly average≤ 1.16 lb/dall year601
1,2,4-Trichlorobenzenemonthly average≤ 1.16 lb/dall year601
1,2,4-Trichlorobenzenedaily maximum≤ 4.7 lb/dall year601
1,2,4-Trichlorobenzenedaily maximum≤ 4.7 lb/dall year601
1,3-Dichlorobenzenemonthly average≤ .84 lb/dall year601
1,3-Dichlorobenzenemonthly average≤ .84 lb/dall year601
1,3-Dichlorobenzenedaily maximum≤ 2.25 lb/dall year601
1,3-Dichlorobenzenedaily maximum≤ 2.25 lb/dall year601
1,4-Dichlorobenzenemonthly average≤ .84 lb/dall year601
1,4-Dichlorobenzenemonthly average≤ .84 lb/dall year601
1,4-Dichlorobenzenedaily maximum≤ 2.25 lb/dall year601
1,4-Dichlorobenzenedaily maximum≤ 2.25 lb/dall year601
2-Nitrophenolmonthly average≤ .38 lb/dall year601
2-Nitrophenolmonthly average≤ .38 lb/dall year601
2-Nitrophenoldaily maximum≤ 1.37 lb/dall year601
2-Nitrophenoldaily maximum≤ 1.37 lb/dall year601
2,4-Dimethylphenolmonthly average≤ .11 lb/dall year601
2,4-Dimethylphenolmonthly average≤ .11 lb/dall year601
2,4-Dimethylphenoldaily maximum≤ .28 lb/dall year601
2,4-Dimethylphenoldaily maximum≤ .28 lb/dall year601
2,4-Dinitrophenolmonthly average≤ 7.15 lb/dall year601
2,4-Dinitrophenolmonthly average≤ 7.15 lb/dall year601
2,4-Dinitrophenoldaily maximum≤ 25.41 lb/dall year601
2,4-Dinitrophenoldaily maximum≤ 25.41 lb/dall year601
4-Nitrophenolmonthly average≤ .96 lb/dall year601
4-Nitrophenolmonthly average≤ .96 lb/dall year601
4-Nitrophenoldaily maximum≤ 3.41 lb/dall year601
4-Nitrophenoldaily maximum≤ 3.41 lb/dall year601
4,6-Dinitro-o-cresolmonthly average≤ .46 lb/dall year601
4,6-Dinitro-o-cresolmonthly average≤ .46 lb/dall year601
4,6-Dinitro-o-cresoldaily maximum≤ 1.64 lb/dall year601
4,6-Dinitro-o-cresoldaily maximum≤ 1.64 lb/dall year601
Phenolmonthly average≤ .11 lb/dall year601
Phenolmonthly average≤ .11 lb/dall year601
Phenoldaily maximum≤ .28 lb/dall year601
Phenoldaily maximum≤ .28 lb/dall year601
Naphthalenemonthly average≤ .11 lb/dall year601
Naphthalenemonthly average≤ .11 lb/dall year601
Naphthalenedaily maximum≤ .28 lb/dall year601
Naphthalenedaily maximum≤ .28 lb/dall year601
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .56 lb/dall year601
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .56 lb/dall year601
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 1.53 lb/dall year601
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 1.53 lb/dall year601
Di-n-butyl phthalatemonthly average≤ .12 lb/dall year601
Di-n-butyl phthalatemonthly average≤ .12 lb/dall year601
Di-n-butyl phthalatedaily maximum≤ .25 lb/dall year601
Di-n-butyl phthalatedaily maximum≤ .25 lb/dall year601
Vinyl chloridemonthly average≤ .57 lb/dall year601
Vinyl chloridemonthly average≤ .57 lb/dall year601
Vinyl chloridedaily maximum≤ 1.02 lb/dall year601
Vinyl chloridedaily maximum≤ 1.02 lb/dall year601
Trichloroethylenemonthly average≤ .15 lb/dall year601
Trichloroethylenemonthly average≤ .15 lb/dall year601
Trichloroethylenedaily maximum≤ .41 lb/dall year601
Trichloroethylenedaily maximum≤ .41 lb/dall year601
Hexachlorobenzenemonthly average≤ 1.16 lb/dall year601
Hexachlorobenzenemonthly average≤ 1.16 lb/dall year601
Hexachlorobenzenedaily maximum≤ 4.7 lb/dall year601
Hexachlorobenzenedaily maximum≤ 4.7 lb/dall year601
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year601
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year601
1,3-Dichloropropylenemonthly average≤ 1.16 lb/dall year601
1,3-Dichloropropylenemonthly average≤ 1.16 lb/dall year601
1,3-Dichloropropylenedaily maximum≤ 4.7 lb/dall year601
1,3-Dichloropropylenedaily maximum≤ 4.7 lb/dall year601
Chloroethanemonthly average≤ .65 lb/dall year601
Chloroethanemonthly average≤ .65 lb/dall year601
Chloroethanedaily maximum≤ 1.75 lb/dall year601
Chloroethanedaily maximum≤ 1.75 lb/dall year601
Oil & Greasedaily maximum≤ 15 mg/Lall year701
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year701
Benzenemonthly average≤ 10 ug/Lall year701
Benzenedaily maximum≤ 20 ug/Lall year701
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year701
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year701
Oil & Greasedaily maximum≤ 15 mg/Lall year801
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year801
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year801
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year801
Oil & Greasedaily maximum≤ 15 mg/Lall year901
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year901
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year901
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year901

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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