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Huntsman Petrochemical LLC

Industrial Organic Chemicals, major discharger, Conroe, Texas. NPDES permit TX0005592, in force until Oct 28, 2027. Last 12 months: over a limit 6 times (last June 2026), 1 of 33 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (43 values), outfall 002 form A monthly (6 values), outfall TX1 form Q quarterly (32 values), outfall 001 form Q quarterly, outfall 001 form Y yearly, outfall 002 form Y yearly, and 1 more form
Renewal application due
May 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 132 required values missing, 3 of 36 reports late

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

Period endingParameterReportedLimitOver by
March 2026Whole Effluent Toxicity [WET] - C. dubia, 7-day minimum32 %≥ 100 %68%
March 2026Whole Effluent Toxicity [WET] - C. dubia, 7-day minimum< 32 %≥ 80 %—
March 2026Whole Effluent Toxicity [WET] - C. dubia, monthly average minimum32 %≥ 100 %68%
March 2026Whole Effluent Toxicity [WET] - C. dubia, monthly average minimum< 32 %≥ 80 %—
June 2026Whole Effluent Toxicity [WET] - C. dubia, 7-day minimum< 32 %≥ 80 %—
June 2026Whole Effluent Toxicity [WET] - C. dubia, monthly average minimum< 32 %≥ 80 %—

Limits in force (498)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimum≥ 5 mg/Lall year001
Oxygen demand, chem. [high level] [COD]daily averagereport only (mg/L)all year001
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year001
Oxygen demand, chem. [high level] [COD]daily average≤ 799 lb/dall year001
Oxygen demand, chem. [high level] [COD]daily maximum≤ 2100 lb/dall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily averagereport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, total suspendeddaily average≤ 135 lb/dall year001
Solids, total suspendeddaily maximum≤ 346 lb/dall year001
Oil & Greasedaily averagereport only (mg/L)all year001
Oil & Greasedaily maximumreport only (mg/L)all year001
Oil & Greasedaily average≤ 51 lb/dall year001
Oil & Greasedaily maximum≤ 77 lb/dall year001
Nitrogen, ammonia total [as N]daily average≤ 4 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily average≤ 25 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 100 lb/dall year001
Phosphate, total [as PO4]daily maximumreport only (mg/L)all year001
Phosphate, total [as PO4]daily maximum≤ 77.23 lb/dall year001
Cyanide, free [as free]daily averagereport only (mg/L)all year001
Cyanide, free [as free]daily maximumreport only (mg/L)all year001
Cyanide, free [as free]daily average≤ .05 lb/dall year001
Cyanide, free [as free]daily maximum≤ .11 lb/dall year001
Chloride [as Cl]daily maximumreport only (mg/L)all year001
Chloride [as Cl]daily maximum≤ 1030 lb/dall year001
Sulfate, total [as SO4]daily averagereport only (mg/L)all year001
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year001
Sulfate, total [as SO4]daily average≤ 457 lb/dall year001
Sulfate, total [as SO4]daily maximum≤ 967 lb/dall year001
Chromium, total [as Cr]daily averagereport only (mg/L)all year001
Chromium, total [as Cr]daily maximumreport only (mg/L)all year001
Chromium, total [as Cr]daily average≤ .2 lb/dall year001
Chromium, total [as Cr]daily maximum≤ .4 lb/dall year001
Copper, total [as Cu]daily averagereport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily average≤ .11 lb/dall year001
Copper, total [as Cu]daily maximum≤ .26 lb/dall year001
Nickel, total [as Ni]daily averagereport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]daily average≤ .31 lb/dall year001
Nickel, total [as Ni]daily maximum≤ .73 lb/dall year001
Carbon tetrachloridedaily averagereport only (mg/L)all year001
Carbon tetrachloridedaily maximumreport only (mg/L)all year001
Carbon tetrachloridedaily average≤ .021 lb/dall year001
Carbon tetrachloridedaily maximum≤ .044 lb/dall year001
1,2-Dichloroethanedaily averagereport only (mg/L)all year001
1,2-Dichloroethanedaily maximumreport only (mg/L)all year001
1,2-Dichloroethanedaily average≤ .079 lb/dall year001
1,2-Dichloroethanedaily maximum≤ .247 lb/dall year001
Chloroformdaily averagereport only (mg/L)all year001
Chloroformdaily maximumreport only (mg/L)all year001
Chloroformdaily average≤ .025 lb/dall year001
Chloroformdaily maximum≤ .054 lb/dall year001
Toluenedaily averagereport only (mg/L)all year001
Toluenedaily maximumreport only (mg/L)all year001
Toluenedaily average≤ .03 lb/dall year001
Toluenedaily maximum≤ .093 lb/dall year001
Benzenedaily averagereport only (mg/L)all year001
Benzenedaily maximumreport only (mg/L)all year001
Benzenedaily average≤ .043 lb/dall year001
Benzenedaily maximum≤ .159 lb/dall year001
Acenaphthylenedaily averagereport only (mg/L)all year001
Acenaphthylenedaily maximumreport only (mg/L)all year001
Acenaphthylenedaily average≤ .026 lb/dall year001
Acenaphthylenedaily maximum≤ .069 lb/dall year001
Acenaphthenedaily averagereport only (mg/L)all year001
Acenaphthenedaily maximumreport only (mg/L)all year001
Acenaphthenedaily average≤ .026 lb/dall year001
Acenaphthenedaily maximum≤ .069 lb/dall year001
Acrylonitriledaily averagereport only (mg/L)all year001
Acrylonitriledaily maximumreport only (mg/L)all year001
Acrylonitriledaily average≤ .112 lb/dall year001
Acrylonitriledaily maximum≤ .283 lb/dall year001
Anthracenedaily averagereport only (mg/L)all year001
Anthracenedaily maximumreport only (mg/L)all year001
Anthracenedaily average≤ .026 lb/dall year001
Anthracenedaily maximum≤ .069 lb/dall year001
Benzo[k]fluoranthenedaily averagereport only (mg/L)all year001
Benzo[k]fluoranthenedaily maximumreport only (mg/L)all year001
Benzo[k]fluoranthenedaily average≤ .026 lb/dall year001
Benzo[k]fluoranthenedaily maximum≤ .069 lb/dall year001
Benzo[a]pyrenedaily averagereport only (mg/L)all year001
Benzo[a]pyrenedaily maximumreport only (mg/L)all year001
Benzo[a]pyrenedaily average≤ .0002 lb/dall year001
Benzo[a]pyrenedaily maximum≤ .001 lb/dall year001
Chlorobenzenedaily averagereport only (mg/L)all year001
Chlorobenzenedaily maximumreport only (mg/L)all year001
Chlorobenzenedaily average≤ .018 lb/dall year001
Chlorobenzenedaily maximum≤ .033 lb/dall year001
Chrysenedaily averagereport only (mg/L)all year001
Chrysenedaily maximumreport only (mg/L)all year001
Chrysenedaily average≤ .026 lb/dall year001
Chrysenedaily maximum≤ .069 lb/dall year001
Diethyl phthalatedaily averagereport only (mg/L)all year001
Diethyl phthalatedaily maximumreport only (mg/L)all year001
Diethyl phthalatedaily average≤ .095 lb/dall year001
Diethyl phthalatedaily maximum≤ .237 lb/dall year001
Dimethyl phthalatedaily averagereport only (mg/L)all year001
Dimethyl phthalatedaily maximumreport only (mg/L)all year001
Dimethyl phthalatedaily average≤ .022 lb/dall year001
Dimethyl phthalatedaily maximum≤ .055 lb/dall year001
Ethylbenzenedaily averagereport only (mg/L)all year001
Ethylbenzenedaily maximumreport only (mg/L)all year001
Ethylbenzenedaily average≤ .037 lb/dall year001
Ethylbenzenedaily maximum≤ .126 lb/dall year001
Fluoranthenedaily averagereport only (mg/L)all year001
Fluoranthenedaily maximumreport only (mg/L)all year001
Fluoranthenedaily average≤ .029 lb/dall year001
Fluoranthenedaily maximum≤ .079 lb/dall year001
Fluorenedaily averagereport only (mg/L)all year001
Fluorenedaily maximumreport only (mg/L)all year001
Fluorenedaily average≤ .026 lb/dall year001
Fluorenedaily maximum≤ .069 lb/dall year001
Hexachlorobutadienedaily averagereport only (mg/L)all year001
Hexachlorobutadienedaily maximumreport only (mg/L)all year001
Hexachlorobutadienedaily average≤ .022 lb/dall year001
Hexachlorobutadienedaily maximum≤ .046 lb/dall year001
Hexachloroethanedaily averagereport only (mg/L)all year001
Hexachloroethanedaily maximumreport only (mg/L)all year001
Hexachloroethanedaily average≤ .025 lb/dall year001
Hexachloroethanedaily maximum≤ .063 lb/dall year001
Methyl chloride [Chloromethane]daily averagereport only (mg/L)all year001
Methyl chloride [Chloromethane]daily maximumreport only (mg/L)all year001
Methyl chloride [Chloromethane]daily average≤ .1 lb/dall year001
Methyl chloride [Chloromethane]daily maximum≤ .222 lb/dall year001
Methylene chloridedaily averagereport only (mg/L)all year001
Methylene chloridedaily maximumreport only (mg/L)all year001
Methylene chloridedaily average≤ .047 lb/dall year001
Methylene chloridedaily maximum≤ .104 lb/dall year001
Nitrobenzenedaily averagereport only (mg/L)all year001
Nitrobenzenedaily maximumreport only (mg/L)all year001
Nitrobenzenedaily average≤ .032 lb/dall year001
Nitrobenzenedaily maximum≤ .079 lb/dall year001
Phenanthrenedaily averagereport only (mg/L)all year001
Phenanthrenedaily maximumreport only (mg/L)all year001
Phenanthrenedaily average≤ .026 lb/dall year001
Phenanthrenedaily maximum≤ .069 lb/dall year001
Pyrenedaily averagereport only (mg/L)all year001
Pyrenedaily maximumreport only (mg/L)all year001
Pyrenedaily average≤ .029 lb/dall year001
Pyrenedaily maximum≤ .078 lb/dall year001
Tetrachloroethylenedaily averagereport only (mg/L)all year001
Tetrachloroethylenedaily maximumreport only (mg/L)all year001
Tetrachloroethylenedaily average≤ .026 lb/dall year001
Tetrachloroethylenedaily maximum≤ .065 lb/dall year001
1,1-Dichloroethanedaily averagereport only (mg/L)all year001
1,1-Dichloroethanedaily maximumreport only (mg/L)all year001
1,1-Dichloroethanedaily average≤ .026 lb/dall year001
1,1-Dichloroethanedaily maximum≤ .069 lb/dall year001
1,1-Dichloroethylenedaily averagereport only (mg/L)all year001
1,1-Dichloroethylenedaily maximumreport only (mg/L)all year001
1,1-Dichloroethylenedaily average≤ .019 lb/dall year001
1,1-Dichloroethylenedaily maximum≤ .029 lb/dall year001
1,1,1-Trichloroethanedaily averagereport only (mg/L)all year001
1,1,1-Trichloroethanedaily maximumreport only (mg/L)all year001
1,1,1-Trichloroethanedaily average≤ .025 lb/dall year001
1,1,1-Trichloroethanedaily maximum≤ .063 lb/dall year001
1,1,2-Trichloroethanedaily averagereport only (mg/L)all year001
1,1,2-Trichloroethanedaily maximumreport only (mg/L)all year001
1,1,2-Trichloroethanedaily average≤ .025 lb/dall year001
1,1,2-Trichloroethanedaily maximum≤ .063 lb/dall year001
Benzo[a]anthracenedaily averagereport only (mg/L)all year001
Benzo[a]anthracenedaily maximumreport only (mg/L)all year001
Benzo[a]anthracenedaily average≤ .0004 lb/dall year001
Benzo[a]anthracenedaily maximum≤ .009 lb/dall year001
1,2-Dichlorobenzenedaily averagereport only (mg/L)all year001
1,2-Dichlorobenzenedaily maximumreport only (mg/L)all year001
1,2-Dichlorobenzenedaily average≤ .09 lb/dall year001
1,2-Dichlorobenzenedaily maximum≤ .19 lb/dall year001
1,2-Dichloropropanedaily averagereport only (mg/L)all year001
1,2-Dichloropropanedaily maximumreport only (mg/L)all year001
1,2-Dichloropropanedaily average≤ .179 lb/dall year001
1,2-Dichloropropanedaily maximum≤ .269 lb/dall year001
trans-1,2-Dichloroethylenedaily averagereport only (mg/L)all year001
trans-1,2-Dichloroethylenedaily maximumreport only (mg/L)all year001
trans-1,2-Dichloroethylenedaily average≤ .025 lb/dall year001
trans-1,2-Dichloroethylenedaily maximum≤ .063 lb/dall year001
1,2,4-Trichlorobenzenedaily averagereport only (mg/L)all year001
1,2,4-Trichlorobenzenedaily maximumreport only (mg/L)all year001
1,2,4-Trichlorobenzenedaily average≤ .079 lb/dall year001
1,2,4-Trichlorobenzenedaily maximum≤ .164 lb/dall year001
1,3-Dichlorobenzenedaily averagereport only (mg/L)all year001
1,3-Dichlorobenzenedaily maximumreport only (mg/L)all year001
1,3-Dichlorobenzenedaily average≤ .036 lb/dall year001
1,3-Dichlorobenzenedaily maximum≤ .051 lb/dall year001
1,4-Dichlorobenzenedaily averagereport only (mg/L)all year001
1,4-Dichlorobenzenedaily maximumreport only (mg/L)all year001
1,4-Dichlorobenzenedaily average≤ .018 lb/dall year001
1,4-Dichlorobenzenedaily maximum≤ .033 lb/dall year001
2-Chlorophenoldaily averagereport only (mg/L)all year001
2-Chlorophenoldaily maximumreport only (mg/L)all year001
2-Chlorophenoldaily average≤ .036 lb/dall year001
2-Chlorophenoldaily maximum≤ .114 lb/dall year001
2-Nitrophenoldaily averagereport only (mg/L)all year001
2-Nitrophenoldaily maximumreport only (mg/L)all year001
2-Nitrophenoldaily average≤ .048 lb/dall year001
2-Nitrophenoldaily maximum≤ .081 lb/dall year001
2,4-Dichlorophenoldaily averagereport only (mg/L)all year001
2,4-Dichlorophenoldaily maximumreport only (mg/L)all year001
2,4-Dichlorophenoldaily average≤ .046 lb/dall year001
2,4-Dichlorophenoldaily maximum≤ .131 lb/dall year001
2,4-Dimethylphenoldaily averagereport only (mg/L)all year001
2,4-Dimethylphenoldaily maximumreport only (mg/L)all year001
2,4-Dimethylphenoldaily average≤ .021 lb/dall year001
2,4-Dimethylphenoldaily maximum≤ .042 lb/dall year001
2,4-Dinitrotoluenedaily averagereport only (mg/L)all year001
2,4-Dinitrotoluenedaily maximumreport only (mg/L)all year001
2,4-Dinitrotoluenedaily average≤ .132 lb/dall year001
2,4-Dinitrotoluenedaily maximum≤ .333 lb/dall year001
2,4-Dinitrophenoldaily averagereport only (mg/L)all year001
2,4-Dinitrophenoldaily maximumreport only (mg/L)all year001
2,4-Dinitrophenoldaily average≤ .083 lb/dall year001
2,4-Dinitrophenoldaily maximum≤ .144 lb/dall year001
2,6-Dinitrotoluenedaily averagereport only (mg/L)all year001
2,6-Dinitrotoluenedaily maximumreport only (mg/L)all year001
2,6-Dinitrotoluenedaily average≤ .298 lb/dall year001
2,6-Dinitrotoluenedaily maximum≤ .749 lb/dall year001
4-Nitrophenoldaily averagereport only (mg/L)all year001
4-Nitrophenoldaily maximumreport only (mg/L)all year001
4-Nitrophenoldaily average≤ .084 lb/dall year001
4-Nitrophenoldaily maximum≤ .145 lb/dall year001
4,6-Dinitro-o-cresoldaily averagereport only (mg/L)all year001
4,6-Dinitro-o-cresoldaily maximumreport only (mg/L)all year001
4,6-Dinitro-o-cresoldaily average≤ .091 lb/dall year001
4,6-Dinitro-o-cresoldaily maximum≤ .324 lb/dall year001
Phenoldaily averagereport only (mg/L)all year001
Phenoldaily maximumreport only (mg/L)all year001
Phenoldaily average≤ .018 lb/dall year001
Phenoldaily maximum≤ .03 lb/dall year001
Naphthalenedaily averagereport only (mg/L)all year001
Naphthalenedaily maximumreport only (mg/L)all year001
Naphthalenedaily average≤ .026 lb/dall year001
Naphthalenedaily maximum≤ .069 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]daily averagereport only (mg/L)all year001
Di[2-ethylhexyl] phthalate [DEHP]daily maximumreport only (mg/L)all year001
Di[2-ethylhexyl] phthalate [DEHP]daily average≤ .12 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .326 lb/dall year001
Di-n-butyl phthalatedaily averagereport only (mg/L)all year001
Di-n-butyl phthalatedaily maximumreport only (mg/L)all year001
Di-n-butyl phthalatedaily average≤ .032 lb/dall year001
Di-n-butyl phthalatedaily maximum≤ .067 lb/dall year001
Vinyl chloridedaily averagereport only (mg/L)all year001
Vinyl chloridedaily maximumreport only (mg/L)all year001
Vinyl chloridedaily average≤ .122 lb/dall year001
Vinyl chloridedaily maximum≤ .313 lb/dall year001
Trichloroethylenedaily averagereport only (mg/L)all year001
Trichloroethylenedaily maximumreport only (mg/L)all year001
Trichloroethylenedaily average≤ .025 lb/dall year001
Trichloroethylenedaily maximum≤ .063 lb/dall year001
Hexachlorobenzenedaily averagereport only (mg/L)all year001
Hexachlorobenzenedaily maximumreport only (mg/L)all year001
Hexachlorobenzenedaily average≤ .00007 lb/dall year001
Hexachlorobenzenedaily maximum≤ .0001 lb/dall year001
Flow, in conduit or thru treatment plantdaily average≤ .75 MGDall year001
Flow, in conduit or thru treatment plantdaily maximum≤ 2 MGDall year001
E. colidaily average≤ 63 CFU/100mLall year001
E. colidaily maximum≤ 399 CFU/100mLall year001
1,3-Dichloropropylenedaily averagereport only (mg/L)all year001
1,3-Dichloropropylenedaily maximumreport only (mg/L)all year001
1,3-Dichloropropylenedaily average≤ .034 lb/dall year001
1,3-Dichloropropylenedaily maximum≤ .051 lb/dall year001
Solids, total dissolveddaily averagereport only (mg/L)all year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Solids, total dissolveddaily average≤ 3573 lb/dall year001
Solids, total dissolveddaily maximum≤ 6694 lb/dall year001
3,4-Benzofluoranthenedaily averagereport only (mg/L)all year001
3,4-Benzofluoranthenedaily maximumreport only (mg/L)all year001
3,4-Benzofluoranthenedaily average≤ .027 lb/dall year001
3,4-Benzofluoranthenedaily maximum≤ .071 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]daily average≤ 87.5 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 217 lb/dall year001
Chloroethanedaily averagereport only (mg/L)all year001
Chloroethanedaily maximumreport only (mg/L)all year001
Chloroethanedaily average≤ .122 lb/dall year001
Chloroethanedaily maximum≤ .313 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 30 mg/Lall year002
BOD, 5-day, 20 deg. Cdaily average≤ 87.5 lb/dall year002
BOD, 5-day, 20 deg. Cdaily maximum≤ 217 lb/dall year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendeddaily maximum≤ 100 mg/Lall year002
Solids, total suspendeddaily average≤ 135 lb/dall year002
Solids, total suspendeddaily maximum≤ 346 lb/dall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Carbon, tot organic [TOC]daily maximum≤ 55 mg/Lall year002
Nickel, total [as Ni]daily maximum≤ .594 mg/Lall year002
Nickel, total [as Ni]daily average≤ 1.76 lb/dall year002
Nickel, total [as Ni]daily maximum≤ 3.72 lb/dall year002
Carbon tetrachloridedaily maximum≤ .01 mg/Lall year002
Carbon tetrachloridedaily average≤ .021 lb/dall year002
Carbon tetrachloridedaily maximum≤ .044 lb/dall year002
1,2-Dichloroethanedaily maximum≤ .01 mg/Lall year002
1,2-Dichloroethanedaily average≤ .079 lb/dall year002
1,2-Dichloroethanedaily maximum≤ .247 lb/dall year002
Chloroformdaily maximum≤ .01 mg/Lall year002
Chloroformdaily average≤ .025 lb/dall year002
Chloroformdaily maximum≤ .054 lb/dall year002
Toluenedaily maximum≤ .01 mg/Lall year002
Toluenedaily average≤ .03 lb/dall year002
Toluenedaily maximum≤ .093 lb/dall year002
Benzenedaily maximum≤ .01 mg/Lall year002
Benzenedaily average≤ .043 lb/dall year002
Benzenedaily maximum≤ .159 lb/dall year002
Acenaphthylenedaily maximum≤ .01 mg/Lall year002
Acenaphthylenedaily average≤ .026 lb/dall year002
Acenaphthylenedaily maximum≤ .069 lb/dall year002
Acenaphthenedaily maximum≤ .01 mg/Lall year002
Acenaphthenedaily average≤ .026 lb/dall year002
Acenaphthenedaily maximum≤ .069 lb/dall year002
Acrylonitriledaily maximum≤ .05 mg/Lall year002
Acrylonitriledaily average≤ .112 lb/dall year002
Acrylonitriledaily maximum≤ .283 lb/dall year002
Anthracenedaily maximum≤ .01 mg/Lall year002
Anthracenedaily average≤ .026 lb/dall year002
Anthracenedaily maximum≤ .069 lb/dall year002
Benzo[k]fluoranthenedaily maximum≤ .01 mg/Lall year002
Benzo[k]fluoranthenedaily average≤ .026 lb/dall year002
Benzo[k]fluoranthenedaily maximum≤ .069 lb/dall year002
Benzo[a]pyrenedaily maximum≤ .01 mg/Lall year002
Benzo[a]pyrenedaily average≤ .027 lb/dall year002
Benzo[a]pyrenedaily maximum≤ .071 lb/dall year002
Chlorobenzenedaily maximum≤ .01 mg/Lall year002
Chlorobenzenedaily average≤ .018 lb/dall year002
Chlorobenzenedaily maximum≤ .033 lb/dall year002
Chrysenedaily maximum≤ .01 mg/Lall year002
Chrysenedaily average≤ .026 lb/dall year002
Chrysenedaily maximum≤ .069 lb/dall year002
Diethyl phthalatedaily maximum≤ .01 mg/Lall year002
Diethyl phthalatedaily average≤ .095 lb/dall year002
Diethyl phthalatedaily maximum≤ .237 lb/dall year002
Dimethyl phthalatedaily maximum≤ .01 mg/Lall year002
Dimethyl phthalatedaily average≤ .022 lb/dall year002
Dimethyl phthalatedaily maximum≤ .055 lb/dall year002
Ethylbenzenedaily maximum≤ .01 mg/Lall year002
Ethylbenzenedaily average≤ .037 lb/dall year002
Ethylbenzenedaily maximum≤ .126 lb/dall year002
Fluoranthenedaily maximum≤ .01 mg/Lall year002
Fluoranthenedaily average≤ .029 lb/dall year002
Fluoranthenedaily maximum≤ .079 lb/dall year002
Fluorenedaily maximum≤ .01 mg/Lall year002
Fluorenedaily average≤ .026 lb/dall year002
Fluorenedaily maximum≤ .069 lb/dall year002
Hexachlorobutadienedaily maximum≤ .01 mg/Lall year002
Hexachlorobutadienedaily average≤ .025 lb/dall year002
Hexachlorobutadienedaily maximum≤ .063 lb/dall year002
Hexachloroethanedaily maximum≤ .02 mg/Lall year002
Hexachloroethanedaily average≤ .023 lb/dall year002
Hexachloroethanedaily maximum≤ .057 lb/dall year002
Methyl chloride [Chloromethane]daily maximum≤ .02 mg/Lall year002
Methyl chloride [Chloromethane]daily average≤ .1 lb/dall year002
Methyl chloride [Chloromethane]daily maximum≤ .222 lb/dall year002
Methylene chloridedaily maximum≤ .02 mg/Lall year002
Methylene chloridedaily average≤ .047 lb/dall year002
Methylene chloridedaily maximum≤ .104 lb/dall year002
Nitrobenzenedaily maximum≤ .01 mg/Lall year002
Nitrobenzenedaily average≤ .032 lb/dall year002
Nitrobenzenedaily maximum≤ .079 lb/dall year002
Phenanthrenedaily maximum≤ .01 mg/Lall year002
Phenanthrenedaily average≤ .026 lb/dall year002
Phenanthrenedaily maximum≤ .069 lb/dall year002
Pyrenedaily maximum≤ .01 mg/Lall year002
Pyrenedaily average≤ .029 lb/dall year002
Pyrenedaily maximum≤ .078 lb/dall year002
Tetrachloroethylenedaily maximum≤ .01 mg/Lall year002
Tetrachloroethylenedaily average≤ .026 lb/dall year002
Tetrachloroethylenedaily maximum≤ .065 lb/dall year002
1,1-Dichloroethanedaily maximum≤ .01 mg/Lall year002
1,1-Dichloroethanedaily average≤ .026 lb/dall year002
1,1-Dichloroethanedaily maximum≤ .069 lb/dall year002
1,1-Dichloroethylenedaily maximum≤ .01 mg/Lall year002
1,1-Dichloroethylenedaily average≤ .019 lb/dall year002
1,1-Dichloroethylenedaily maximum≤ .029 lb/dall year002
1,1,1-Trichloroethanedaily maximum≤ .01 mg/Lall year002
1,1,1-Trichloroethanedaily average≤ .025 lb/dall year002
1,1,1-Trichloroethanedaily maximum≤ .063 lb/dall year002
1,1,2-Trichloroethanedaily maximum≤ .01 mg/Lall year002
1,1,2-Trichloroethanedaily average≤ .025 lb/dall year002
1,1,2-Trichloroethanedaily maximum≤ .063 lb/dall year002
Benzo[a]anthracenedaily maximum≤ .01 mg/Lall year002
Benzo[a]anthracenedaily average≤ .026 lb/dall year002
Benzo[a]anthracenedaily maximum≤ .069 lb/dall year002
1,2-Dichlorobenzenedaily maximum≤ .01 mg/Lall year002
1,2-Dichlorobenzenedaily average≤ .09 lb/dall year002
1,2-Dichlorobenzenedaily maximum≤ .19 lb/dall year002
1,2-Dichloropropanedaily maximum≤ .01 mg/Lall year002
1,2-Dichloropropanedaily average≤ .179 lb/dall year002
1,2-Dichloropropanedaily maximum≤ .269 lb/dall year002
trans-1,2-Dichloroethylenedaily maximum≤ .01 mg/Lall year002
trans-1,2-Dichloroethylenedaily average≤ .025 lb/dall year002
trans-1,2-Dichloroethylenedaily maximum≤ .063 lb/dall year002
1,2,4-Trichlorobenzenedaily maximum≤ .01 mg/Lall year002
1,2,4-Trichlorobenzenedaily average≤ .079 lb/dall year002
1,2,4-Trichlorobenzenedaily maximum≤ .164 lb/dall year002
1,3-Dichlorobenzenedaily maximum≤ .01 mg/Lall year002
1,3-Dichlorobenzenedaily average≤ .036 lb/dall year002
1,3-Dichlorobenzenedaily maximum≤ .051 lb/dall year002
1,4-Dichlorobenzenedaily maximum≤ .01 mg/Lall year002
1,4-Dichlorobenzenedaily average≤ .018 lb/dall year002
1,4-Dichlorobenzenedaily maximum≤ .033 lb/dall year002
2-Chlorophenoldaily maximum≤ .01 mg/Lall year002
2-Chlorophenoldaily average≤ .036 lb/dall year002
2-Chlorophenoldaily maximum≤ .114 lb/dall year002
2-Nitrophenoldaily maximum≤ .02 mg/Lall year002
2-Nitrophenoldaily average≤ .048 lb/dall year002
2-Nitrophenoldaily maximum≤ .081 lb/dall year002
2,4-Dichlorophenoldaily maximum≤ .01 mg/Lall year002
2,4-Dichlorophenoldaily average≤ .046 lb/dall year002
2,4-Dichlorophenoldaily maximum≤ .131 lb/dall year002
2,4-Dimethylphenoldaily maximum≤ .01 mg/Lall year002
2,4-Dimethylphenoldaily average≤ .021 lb/dall year002
2,4-Dimethylphenoldaily maximum≤ .042 lb/dall year002
2,4-Dinitrotoluenedaily maximum≤ .01 mg/Lall year002
2,4-Dinitrotoluenedaily average≤ .132 lb/dall year002
2,4-Dinitrotoluenedaily maximum≤ .333 lb/dall year002
2,4-Dinitrophenoldaily maximum≤ .05 mg/Lall year002
2,4-Dinitrophenoldaily average≤ .083 lb/dall year002
2,4-Dinitrophenoldaily maximum≤ .144 lb/dall year002
2,6-Dinitrotoluenedaily maximum≤ .01 mg/Lall year002
2,6-Dinitrotoluenedaily average≤ .298 lb/dall year002
2,6-Dinitrotoluenedaily maximum≤ .749 lb/dall year002
4-Nitrophenoldaily maximum≤ .05 mg/Lall year002
4-Nitrophenoldaily average≤ .084 lb/dall year002
4-Nitrophenoldaily maximum≤ .145 lb/dall year002
4,6-Dinitro-o-cresoldaily maximum≤ .05 mg/Lall year002
4,6-Dinitro-o-cresoldaily average≤ .091 lb/dall year002
4,6-Dinitro-o-cresoldaily maximum≤ .324 lb/dall year002
Phenoldaily maximum≤ .01 mg/Lall year002
Phenoldaily average≤ .018 lb/dall year002
Phenoldaily maximum≤ .03 lb/dall year002
Naphthalenedaily maximum≤ .01 mg/Lall year002
Naphthalenedaily average≤ .026 lb/dall year002
Naphthalenedaily maximum≤ .069 lb/dall year002
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .01 mg/Lall year002
Di[2-ethylhexyl] phthalate [DEHP]daily average≤ .12 lb/dall year002
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .326 lb/dall year002
Di-n-butyl phthalatedaily maximum≤ .01 mg/Lall year002
Di-n-butyl phthalatedaily average≤ .032 lb/dall year002
Di-n-butyl phthalatedaily maximum≤ .067 lb/dall year002
Vinyl chloridedaily maximum≤ .01 mg/Lall year002
Vinyl chloridedaily average≤ .122 lb/dall year002
Vinyl chloridedaily maximum≤ .313 lb/dall year002
Trichloroethylenedaily maximum≤ .01 mg/Lall year002
Trichloroethylenedaily average≤ .025 lb/dall year002
Trichloroethylenedaily maximum≤ .063 lb/dall year002
Hexachlorobenzenedaily maximum≤ .01 mg/Lall year002
Hexachlorobenzenedaily average≤ .0018 lb/dall year002
Hexachlorobenzenedaily maximum≤ .0033 lb/dall year002
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
1,3-Dichloropropylenedaily maximum≤ .01 mg/Lall year002
1,3-Dichloropropylenedaily average≤ .034 lb/dall year002
1,3-Dichloropropylenedaily maximum≤ .051 lb/dall year002
3,4-Benzofluoranthenedaily maximum≤ .01 mg/Lall year002
3,4-Benzofluoranthenedaily average≤ .027 lb/dall year002
3,4-Benzofluoranthenedaily maximum≤ .071 lb/dall year002
Chloroethanedaily maximum≤ .01 mg/Lall year002
Chloroethanedaily average≤ .122 lb/dall year002
Chloroethanedaily maximum≤ .313 lb/dall year002
Whole effluent toxicity - retest #17-day minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #27-day minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity [WET] - C. dubia7-day minimum≥ 100 %all yearTX1
Whole Effluent Toxicity [WET] - C. dubiamonthly average minimum≥ 100 %all yearTX1
Whole Effluent Toxicity [WET] - C. dubia7-day minimum≥ 80 %all yearTX1
Whole Effluent Toxicity [WET] - C. dubiamonthly average minimum≥ 80 %all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (%)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelasmonthly average minimumreport only (pass=0;fail=1)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (%)all yearTX1
Whole effluent toxicity - retest #1single samplereport only (pass=0;fail=1)all yearTXA
Whole effluent toxicity - retest #2single samplereport only (pass=0;fail=1)all yearTXA
LC50 Pass/Fail Static 24Hr Acute D. Pulexsingle samplereport only (pass=0;fail=1)all yearTXA
LC50 Pass/Fail Static 24Hr Acute Pimephales promelassingle samplereport only (pass=0;fail=1)all yearTXA

How strict are these limits?

Cited limits by parameter: Texas's rules and the federal ones.

Same industry: the 165 Chemicals and Allied Products permits in Texas.

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