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The Dow Chemical Company

Industrial Organic Chemicals, major discharger, Orange, Texas. NPDES permit TX0006327 expired Nov 16, 2025; its limits still apply. Last 12 months: over a limit 2 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (18 values), outfall 101 form A monthly (9 values), outfall 201 form A monthly (28 values), outfall 301 form A monthly (8 values), outfall 001 form Y yearly, outfall 101 form Y yearly, and 5 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 60 reports late

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

Period endingParameterReportedLimitOver by
July 2026Zinc, total [as Zn], daily average.261 mg/L≤ .192 mg/L36%
July 2026Zinc, total [as Zn], daily maximum.703 mg/L≤ .406 mg/L73%

Limits in force (329)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily average≤ 105 deg Fall year001
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Oil & Greasedaily average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Nitrogen, ammonia total [as N]daily average≤ 1669 lb/dall year001
Copper, total [as Cu]daily average≤ .0385 mg/Lall year001
Copper, total [as Cu]daily maximum≤ .0814 mg/Lall year001
Nickel, total [as Ni]daily average≤ .13 mg/Lall year001
Nickel, total [as Ni]daily maximum≤ .276 mg/Lall year001
Zinc, total [as Zn]daily average≤ .192 mg/Lall year001
Zinc, total [as Zn]daily maximum≤ .406 mg/Lall year001
Benzo[a]pyrenedaily average≤ .0113 mg/Lall year001
Benzo[a]pyrenedaily maximum≤ .0239 mg/Lall year001
Phenanthrenedaily average≤ .0103 mg/Lall year001
Phenanthrenedaily maximum≤ .0219 mg/Lall year001
Benzo[a]anthracenedaily average≤ .0113 mg/Lall year001
Benzo[a]anthracenedaily maximum≤ .0239 mg/Lall year001
Hexachlorobenzenedaily average≤ .00015 mg/Lall year001
Hexachlorobenzenedaily maximum≤ .000325 mg/Lall year001
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Cyanide, free availabledaily average≤ .00753 mg/Lall year001
Cyanide, free availabledaily maximum≤ .0159 mg/Lall year001
Polychlorinated biphenyls [PCBs], sum of Aroclors and Congenersdaily average≤ .0000218 mg/Lall year001
Polychlorinated biphenyls [PCBs], sum of Aroclors and Congenersdaily maximum≤ .0000462 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]daily average≤ 2471 lb/dall year001
BOD, 5-day, 20 deg. Cdaily average≤ 5973 lb/dall year101
BOD, 5-day, 20 deg. Cdaily maximum≤ 9037 lb/dall year101
pHminimum≥ 6 SUall year101
pHmaximum≤ 9 SUall year101
Solids, total suspendeddaily average≤ 8942 lb/dall year101
Solids, total suspendeddaily maximum≤ 19926 lb/dall year101
Carbon, tot organic [TOC]daily maximum≤ 75 mg/Lall year101
Carbon tetrachloridedaily average≤ .171 lb/dall year101
Carbon tetrachloridedaily maximum≤ .457 lb/dall year101
1,2-Dichloroethanedaily average≤ .216 lb/dall year101
1,2-Dichloroethanedaily maximum≤ .69 lb/dall year101
Chloroformdaily average≤ .133 lb/dall year101
Chloroformdaily maximum≤ .391 lb/dall year101
Toluenedaily average≤ .0336 lb/dall year101
Toluenedaily maximum≤ .0889 lb/dall year101
Benzenedaily average≤ .0685 lb/dall year101
Benzenedaily maximum≤ .161 lb/dall year101
Acenaphthylenedaily average≤ .0228 lb/dall year101
Acenaphthylenedaily maximum≤ .0565 lb/dall year101
Acenaphthenedaily average≤ .0228 lb/dall year101
Acenaphthenedaily maximum≤ .0565 lb/dall year101
Acrylonitriledaily average≤ .113 lb/dall year101
Acrylonitriledaily maximum≤ .278 lb/dall year101
Anthracenedaily average≤ .0228 lb/dall year101
Anthracenedaily maximum≤ .0565 lb/dall year101
Benzo[k]fluoranthenedaily average≤ .0228 lb/dall year101
Benzo[k]fluoranthenedaily maximum≤ .0565 lb/dall year101
Benzo[a]pyrenedaily average≤ .024 lb/dall year101
Benzo[a]pyrenedaily maximum≤ .0577 lb/dall year101
Chlorobenzenedaily average≤ .171 lb/dall year101
Chlorobenzenedaily maximum≤ .457 lb/dall year101
Chrysenedaily average≤ .0228 lb/dall year101
Chrysenedaily maximum≤ .0565 lb/dall year101
Diethyl phthalatedaily average≤ .0553 lb/dall year101
Diethyl phthalatedaily maximum≤ .136 lb/dall year101
Dimethyl phthalatedaily average≤ .0228 lb/dall year101
Dimethyl phthalatedaily maximum≤ .0564 lb/dall year101
Ethylbenzenedaily average≤ .171 lb/dall year101
Ethylbenzenedaily maximum≤ .457 lb/dall year101
Fluoranthenedaily average≤ .0264 lb/dall year101
Fluoranthenedaily maximum≤ .0649 lb/dall year101
Fluorenedaily average≤ .0228 lb/dall year101
Fluorenedaily maximum≤ .0565 lb/dall year101
Hexachlorobutadienedaily average≤ .171 lb/dall year101
Hexachlorobutadienedaily maximum≤ .457 lb/dall year101
Hexachloroethanedaily average≤ .236 lb/dall year101
Hexachloroethanedaily maximum≤ .954 lb/dall year101
Methyl chloride [Chloromethane]daily average≤ .132 lb/dall year101
Methyl chloride [Chloromethane]daily maximum≤ .354 lb/dall year101
Methylene chloride, suspendeddaily average≤ .0433 lb/dall year101
Methylene chloride, suspendeddaily maximum≤ .204 lb/dall year101
Nitrobenzenedaily average≤ 2.99 lb/dall year101
Nitrobenzenedaily maximum≤ 7.69 lb/dall year101
Phenanthrenedaily average≤ .0228 lb/dall year101
Phenanthrenedaily maximum≤ .0565 lb/dall year101
Pyrenedaily average≤ .024 lb/dall year101
Pyrenedaily maximum≤ .0577 lb/dall year101
Tetrachloroethylenedaily average≤ .0625 lb/dall year101
Tetrachloroethylenedaily maximum≤ .197 lb/dall year101
1,1-Dichloroethanedaily average≤ .0264 lb/dall year101
1,1-Dichloroethanedaily maximum≤ .0709 lb/dall year101
1,1-Dichloroethylenedaily average≤ .0264 lb/dall year101
1,1-Dichloroethylenedaily maximum≤ .0721 lb/dall year101
1,1,1-Trichloroethanedaily average≤ .0264 lb/dall year101
1,1,1-Trichloroethanedaily maximum≤ .0709 lb/dall year101
1,1,2-Trichloroethanedaily average≤ .0385 lb/dall year101
1,1,2-Trichloroethanedaily maximum≤ .152 lb/dall year101
Benzo[a]anthracenedaily average≤ .0228 lb/dall year101
Benzo[a]anthracenedaily maximum≤ .0565 lb/dall year101
1,2-Dichlorobenzenedaily average≤ .235 lb/dall year101
1,2-Dichlorobenzenedaily maximum≤ .954 lb/dall year101
1,2-Dichloropropanedaily average≤ .236 lb/dall year101
1,2-Dichloropropanedaily maximum≤ .954 lb/dall year101
trans-1,2-Dichloroethylenedaily average≤ .03 lb/dall year101
trans-1,2-Dichloroethylenedaily maximum≤ .0793 lb/dall year101
1,2,4-Trichlorobenzenedaily average≤ .236 lb/dall year101
1,2,4-Trichlorobenzenedaily maximum≤ .954 lb/dall year101
1,3-Dichlorobenzenedaily average≤ .17 lb/dall year101
1,3-Dichlorobenzenedaily maximum≤ .457 lb/dall year101
1,4-Dichlorobenzenedaily average≤ .17 lb/dall year101
1,4-Dichlorobenzenedaily maximum≤ .457 lb/dall year101
2-Nitrophenoldaily average≤ .0781 lb/dall year101
2-Nitrophenoldaily maximum≤ .278 lb/dall year101
2,4-Dimethylphenoldaily average≤ .0228 lb/dall year101
2,4-Dimethylphenoldaily maximum≤ .0564 lb/dall year101
2,4-Dinitrophenoldaily average≤ 1.45 lb/dall year101
2,4-Dinitrophenoldaily maximum≤ 5.16 lb/dall year101
4-Nitrophenoldaily average≤ .195 lb/dall year101
4-Nitrophenoldaily maximum≤ .692 lb/dall year101
4,6-Dinitro-o-cresoldaily average≤ .0937 lb/dall year101
4,6-Dinitro-o-cresoldaily maximum≤ .333 lb/dall year101
Phenoldaily average≤ .0228 lb/dall year101
Phenoldaily maximum≤ .0565 lb/dall year101
Naphthalenedaily average≤ .0228 lb/dall year101
Naphthalenedaily maximum≤ .0565 lb/dall year101
Di[2-ethylhexyl] phthalate [DEHP]daily average≤ .114 lb/dall year101
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .31 lb/dall year101
Di-n-butyl phthalatedaily average≤ .024 lb/dall year101
Di-n-butyl phthalatedaily maximum≤ .0517 lb/dall year101
Vinyl chloridedaily average≤ .117 lb/dall year101
Vinyl chloridedaily maximum≤ .207 lb/dall year101
Hexachlorobenzenedaily average≤ .236 lb/dall year101
Hexachlorobenzenedaily maximum≤ .954 lb/dall year101
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
1,3-Dichloropropylenedaily average≤ .236 lb/dall year101
1,3-Dichloropropylenedaily maximum≤ .954 lb/dall year101
3,4-Benzofluoranthenedaily average≤ .024 lb/dall year101
3,4-Benzofluoranthenedaily maximum≤ .0577 lb/dall year101
Chloroethanedaily average≤ .132 lb/dall year101
Chloroethanedaily maximum≤ .354 lb/dall year101
BOD, 5-day, 20 deg. Cdaily average≤ 1980 lb/dall year201
BOD, 5-day, 20 deg. Cdaily maximum≤ 4305 lb/dall year201
pHminimum≥ 5 SUall year201
pHmaximum≤ 11 SUall year201
Solids, total suspendeddaily average≤ 5125 lb/dall year201
Solids, total suspendeddaily maximum≤ 14291 lb/dall year201
Nitrogen, ammonia total [as N]daily average≤ 534 lb/dall year201
Nitrogen, ammonia total [as N]daily maximum≤ 1068 lb/dall year201
Nitrogen, Kjeldahl, total [as N]daily average≤ 1736 lb/dall year201
Nitrogen, Kjeldahl, total [as N]daily maximum≤ 3471 lb/dall year201
Carbon, tot organic [TOC]daily average≤ 5340 lb/dall year201
Carbon, tot organic [TOC]daily maximum≤ 8011 lb/dall year201
Cyanide, total [as CN]daily averagereport only (mg/L)all year201
Cyanide, total [as CN]daily maximumreport only (mg/L)all year201
Cyanide, total [as CN]daily average≤ 162 lb/dall year201
Cyanide, total [as CN]daily maximum≤ 458 lb/dall year201
Chromium, total [as Cr]daily averagereport only (mg/L)all year201
Chromium, total [as Cr]daily maximumreport only (mg/L)all year201
Chromium, total [as Cr]daily average≤ 37.3 lb/dall year201
Chromium, total [as Cr]daily maximum≤ 78.4 lb/dall year201
Nickel, total [as Ni]daily averagereport only (mg/L)all year201
Nickel, total [as Ni]daily maximumreport only (mg/L)all year201
Nickel, total [as Ni]daily average≤ 17.62 lb/dall year201
Nickel, total [as Ni]daily maximum≤ 37.12 lb/dall year201
Zinc, total [as Zn]daily averagereport only (mg/L)all year201
Zinc, total [as Zn]daily maximumreport only (mg/L)all year201
Zinc, total [as Zn]daily average≤ 26.44 lb/dall year201
Zinc, total [as Zn]daily maximum≤ 55.18 lb/dall year201
Carbon tetrachloridedaily average≤ .662 lb/dall year201
Carbon tetrachloridedaily maximum≤ 1.4 lb/dall year201
1,2-Dichloroethanedaily average≤ 2.5 lb/dall year201
1,2-Dichloroethanedaily maximum≤ 7.76 lb/dall year201
Chloroformdaily average≤ .772 lb/dall year201
Chloroformdaily maximum≤ 1.69 lb/dall year201
Toluenedaily average≤ .956 lb/dall year201
Toluenedaily maximum≤ 2.94 lb/dall year201
Benzenedaily average≤ 1.36 lb/dall year201
Benzenedaily maximum≤ 5 lb/dall year201
Acenaphthylenedaily average≤ .809 lb/dall year201
Acenaphthylenedaily maximum≤ 2.17 lb/dall year201
Acenaphthenedaily average≤ .809 lb/dall year201
Acenaphthenedaily maximum≤ 2.17 lb/dall year201
Acrylonitriledaily average≤ 3.53 lb/dall year201
Acrylonitriledaily maximum≤ 8.9 lb/dall year201
Anthracenedaily average≤ .809 lb/dall year201
Anthracenedaily maximum≤ 2.17 lb/dall year201
Benzo[k]fluoranthenedaily average≤ .809 lb/dall year201
Benzo[k]fluoranthenedaily maximum≤ 2.17 lb/dall year201
Benzo[a]pyrenedaily average≤ .846 lb/dall year201
Benzo[a]pyrenedaily maximum≤ 2.24 lb/dall year201
Chlorobenzenedaily average≤ .552 lb/dall year201
Chlorobenzenedaily maximum≤ 1.03 lb/dall year201
Chrysenedaily average≤ .809 lb/dall year201
Chrysenedaily maximum≤ 2.17 lb/dall year201
Diethyl phthalatedaily average≤ 2.98 lb/dall year201
Diethyl phthalatedaily maximum≤ 7.46 lb/dall year201
Dimethyl phthalatedaily average≤ .699 lb/dall year201
Dimethyl phthalatedaily maximum≤ 1.73 lb/dall year201
Ethylbenzenedaily average≤ 1.18 lb/dall year201
Ethylbenzenedaily maximum≤ 3.97 lb/dall year201
Fluoranthenedaily average≤ .919 lb/dall year201
Fluoranthenedaily maximum≤ 2.5 lb/dall year201
Fluorenedaily average≤ .809 lb/dall year201
Fluorenedaily maximum≤ 2.17 lb/dall year201
Hexachlorobutadienedaily average≤ .735 lb/dall year201
Hexachlorobutadienedaily maximum≤ 1.8 lb/dall year201
Hexachloroethanedaily average≤ .772 lb/dall year201
Hexachloroethanedaily maximum≤ 1.99 lb/dall year201
Methyl chloride [Chloromethane]daily average≤ 3.16 lb/dall year201
Methyl chloride [Chloromethane]daily maximum≤ 6.99 lb/dall year201
Methylene chloride, suspendeddaily average≤ 1.47 lb/dall year201
Methylene chloride, suspendeddaily maximum≤ 3.27 lb/dall year201
Nitrobenzenedaily average≤ .993 lb/dall year201
Nitrobenzenedaily maximum≤ 2.5 lb/dall year201
Phenanthrenedaily average≤ .809 lb/dall year201
Phenanthrenedaily maximum≤ 2.17 lb/dall year201
Pyrenedaily average≤ .919 lb/dall year201
Pyrenedaily maximum≤ 2.46 lb/dall year201
Tetrachloroethylenedaily average≤ .809 lb/dall year201
Tetrachloroethylenedaily maximum≤ 2.06 lb/dall year201
1,1-Dichloroethanedaily average≤ .809 lb/dall year201
1,1-Dichloroethanedaily maximum≤ 2.17 lb/dall year201
1,1-Dichloroethylenedaily average≤ .588 lb/dall year201
1,1-Dichloroethylenedaily maximum≤ .919 lb/dall year201
1,1,1-Trichloroethanedaily average≤ .772 lb/dall year201
1,1,1-Trichloroethanedaily maximum≤ 1.99 lb/dall year201
1,1,2-Trichloroethanedaily average≤ .772 lb/dall year201
1,1,2-Trichloroethanedaily maximum≤ 1.99 lb/dall year201
Benzo[a]anthracenedaily average≤ .809 lb/dall year201
Benzo[a]anthracenedaily maximum≤ 2.17 lb/dall year201
1,2-Dichlorobenzenedaily average≤ 2.83 lb/dall year201
1,2-Dichlorobenzenedaily maximum≤ 5.99 lb/dall year201
1,2-Dichloropropanedaily average≤ 5.63 lb/dall year201
1,2-Dichloropropanedaily maximum≤ 8.46 lb/dall year201
trans-1,2-Dichloroethylenedaily average≤ .772 lb/dall year201
trans-1,2-Dichloroethylenedaily maximum≤ 1.99 lb/dall year201
1,2,4-Trichlorobenzenedaily average≤ 2.5 lb/dall year201
1,2,4-Trichlorobenzenedaily maximum≤ 5.15 lb/dall year201
1,3-Dichlorobenzenedaily average≤ 1.14 lb/dall year201
1,3-Dichlorobenzenedaily maximum≤ 1.62 lb/dall year201
1,4-Dichlorobenzenedaily average≤ .552 lb/dall year201
1,4-Dichlorobenzenedaily maximum≤ 1.03 lb/dall year201
2-Chlorophenoldaily average≤ 1.14 lb/dall year201
2-Chlorophenoldaily maximum≤ 3.6 lb/dall year201
2-Nitrophenoldaily average≤ 1.51 lb/dall year201
2-Nitrophenoldaily maximum≤ 2.54 lb/dall year201
2,4-Dichlorophenoldaily average≤ 1.43 lb/dall year201
2,4-Dichlorophenoldaily maximum≤ 4.12 lb/dall year201
2,4-Dimethylphenoldaily average≤ .662 lb/dall year201
2,4-Dimethylphenoldaily maximum≤ 1.32 lb/dall year201
2,4-Dinitrotoluenedaily average≤ 4.15 lb/dall year201
2,4-Dinitrotoluenedaily maximum≤ 10.4 lb/dall year201
2,4-Dinitrophenoldaily average≤ 2.61 lb/dall year201
2,4-Dinitrophenoldaily maximum≤ 4.52 lb/dall year201
2,6-Dinitrotoluenedaily average≤ 9.38 lb/dall year201
2,6-Dinitrotoluenedaily maximum≤ 23.6 lb/dall year201
4-Nitrophenoldaily average≤ 2.65 lb/dall year201
4-Nitrophenoldaily maximum≤ 4.56 lb/dall year201
4,6-Dinitro-o-cresoldaily average≤ 2.87 lb/dall year201
4,6-Dinitro-o-cresoldaily maximum≤ 10.1 lb/dall year201
Phenoldaily average≤ .552 lb/dall year201
Phenoldaily maximum≤ .956 lb/dall year201
Naphthalenedaily average≤ .809 lb/dall year201
Naphthalenedaily maximum≤ 2.17 lb/dall year201
Di[2-ethylhexyl] phthalate [DEHP]daily average≤ 3.79 lb/dall year201
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 10.3 lb/dall year201
Di-n-butyl phthalatedaily average≤ .993 lb/dall year201
Di-n-butyl phthalatedaily maximum≤ 2.1 lb/dall year201
Vinyl chloridedaily average≤ 3.82 lb/dall year201
Vinyl chloridedaily maximum≤ 9.85 lb/dall year201
Trichloroethylenedaily average≤ .772 lb/dall year201
Trichloroethylenedaily maximum≤ 1.99 lb/dall year201
Hexachlorobenzenedaily average≤ .552 lb/dall year201
Hexachlorobenzenedaily maximum≤ 1.03 lb/dall year201
Flow, in conduit or thru treatment plantdaily average≤ 16 MGDall year201
Flow, in conduit or thru treatment plantdaily maximum≤ 20 MGDall year201
Chlorine, total residualdaily average≤ 36 lb/dall year201
Chlorine, total residualdaily maximum≤ 61 lb/dall year201
1,3-Dichloropropylenedaily average≤ 1.07 lb/dall year201
1,3-Dichloropropylenedaily maximum≤ 1.62 lb/dall year201
3,4-Benzofluoranthenedaily average≤ .846 lb/dall year201
3,4-Benzofluoranthenedaily maximum≤ 2.24 lb/dall year201
pH range excursions, > 60 minutesmonthly totalreport only (occur/mo)all year201
pH range excursions, monthly total accummonthly total≤ 446 minall year201
Chloroethanedaily average≤ 3.82 lb/dall year201
Chloroethanedaily maximum≤ 9.85 lb/dall year201
BOD, 5-day, 20 deg. Cdaily maximum≤ 65 mg/Lall year301
pHminimum≥ 6 SUall year301
pHmaximum≤ 9 SUall year301
Solids, total suspendeddaily maximum≤ 65 mg/Lall year301
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year301
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year301
Enterococcidaily average≤ 35 CFU/100mLall year301
Enterococcidaily maximum≤ 104 CFU/100mLall year301
Whole effluent toxicity - retest #17-day minimumreport only (pass=0;fail=1)all yearTX1
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 #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 #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 - retest #2monthly average minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (pass=0;fail=1)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (pass=0;fail=1)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidiamonthly average minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)monthly average minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidiamonthly 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 Americamysis bahia (formerly Mysidopsis bahia)single samplereport only (pass=0;fail=1)all yearTXA
LC50 Pass/Fail Static 24Hr Acute Menidia menidiasingle 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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