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Oxy Vinyls LP

Plastics Materials And Resins, major discharger, Pasadena, Texas. NPDES permit TX0006335, in force until Oct 28, 2030. Last 12 months: over a limit once (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (31 values), outfall 001 form Y yearly, outfall TX1 form Q quarterly, outfall TXA form S twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 19 reports late

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

Period endingParameterReportedLimitOver by
July 2026Enterococci, daily maximum4840 MPN/100mL≤ 104 MPN/100mL4554%

Limits in force (187)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximum≤ 105 deg Fall year001
BOD, 5-day, 20 deg. Cdaily average≤ 500.4 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 1000.8 lb/dall year001
Oxygen demand, chem. [high level] [COD]daily average≤ 2149 lb/dall year001
Oxygen demand, chem. [high level] [COD]daily maximum≤ 4235 lb/dall year001
pHminimum≥ 5 SUall year001
pHmaximum≤ 11 SUall year001
Solids, total suspendeddaily average≤ 733 lb/dall year001
Solids, total suspendeddaily maximum≤ 1465 lb/dall year001
Oil & Greasedaily average≤ 225 lb/dall year001
Oil & Greasedaily maximum≤ 337 lb/dall year001
Nitrogen, ammonia total [as N]daily average≤ 100.1 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 200.2 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 averagereport only (lb/d)all year001
Cyanide, free [as free]daily maximumreport only (lb/d)all year001
Copper, total [as Cu]daily average≤ .029 mg/Lall year001
Copper, total [as Cu]daily maximum≤ .062 mg/Lall year001
Copper, total [as Cu]daily average≤ .7288 lb/dall year001
Copper, total [as Cu]daily maximum≤ 1.542 lb/dall year001
Nickel, total [as Ni]daily average≤ 3.702 lb/dall year001
Nickel, total [as Ni]daily maximum≤ 7.832 lb/dall year001
Zinc, total [as Zn]daily average≤ .24 mg/Lall year001
Zinc, total [as Zn]daily maximum≤ .509 mg/Lall year001
Zinc, total [as Zn]daily average≤ 6.63 lb/dall year001
Zinc, total [as Zn]daily maximum≤ 14.02 lb/dall year001
Carbon tetrachloridedaily average≤ .327 lb/dall year001
Carbon tetrachloridedaily maximum≤ .69 lb/dall year001
1,2-Dichloroethanedaily average≤ 1.23 lb/dall year001
1,2-Dichloroethanedaily maximum≤ 3.82 lb/dall year001
Chloroformdaily average≤ .38 lb/dall year001
Chloroformdaily maximum≤ .83 lb/dall year001
Toluenedaily average≤ .47 lb/dall year001
Toluenedaily maximum≤ 1.45 lb/dall year001
Benzenedaily average≤ .67 lb/dall year001
Benzenedaily maximum≤ 2.46 lb/dall year001
Acenaphthylenedaily average≤ .4 lb/dall year001
Acenaphthylenedaily maximum≤ 1.07 lb/dall year001
Acenaphthenedaily average≤ .4 lb/dall year001
Acenaphthenedaily maximum≤ 1.07 lb/dall year001
Acrylonitriledaily average≤ 1.74 lb/dall year001
Acrylonitriledaily maximum≤ 4.38 lb/dall year001
Anthracenedaily average≤ .4 lb/dall year001
Anthracenedaily maximum≤ 1.07 lb/dall year001
Benzo[k]fluoranthenedaily average≤ .4 lb/dall year001
Benzo[k]fluoranthenedaily maximum≤ 1.07 lb/dall year001
Benzo[a]pyrenedaily average≤ .0000854 mg/Lall year001
Benzo[a]pyrenedaily maximum≤ .00018 mg/Lall year001
Benzo[a]pyrenedaily average≤ .00285 lb/dall year001
Benzo[a]pyrenedaily maximum≤ .00601 lb/dall year001
Chlorobenzenedaily average≤ .27 lb/dall year001
Chlorobenzenedaily maximum≤ .509 lb/dall year001
Chrysenedaily average≤ .4 lb/dall year001
Chrysenedaily maximum≤ 1.07 lb/dall year001
Diethyl phthalatedaily average≤ 1.46 lb/dall year001
Diethyl phthalatedaily maximum≤ 3.67 lb/dall year001
Dimethyl phthalatedaily average≤ .34 lb/dall year001
Dimethyl phthalatedaily maximum≤ .85 lb/dall year001
Ethylbenzenedaily average≤ .58 lb/dall year001
Ethylbenzenedaily maximum≤ 1.95 lb/dall year001
Fluoranthenedaily average≤ .45 lb/dall year001
Fluoranthenedaily maximum≤ 1.23 lb/dall year001
Fluorenedaily average≤ .4 lb/dall year001
Fluorenedaily maximum≤ 1.07 lb/dall year001
Hexachlorobutadienedaily average≤ .00751 mg/Lall year001
Hexachlorobutadienedaily maximum≤ .0159 mg/Lall year001
Hexachlorobutadienedaily average≤ .251 lb/dall year001
Hexachlorobutadienedaily maximum≤ .531 lb/dall year001
Hexachloroethanedaily average≤ .38 lb/dall year001
Hexachloroethanedaily maximum≤ .98 lb/dall year001
Methyl chloride [Chloromethane]daily average≤ 1.56 lb/dall year001
Methyl chloride [Chloromethane]daily maximum≤ 3.44 lb/dall year001
Methylene chloridedaily average≤ .72 lb/dall year001
Methylene chloridedaily maximum≤ 1.61 lb/dall year001
Nitrobenzenedaily average≤ .49 lb/dall year001
Nitrobenzenedaily maximum≤ 1.23 lb/dall year001
Phenanthrenedaily average≤ .012 mg/Lall year001
Phenanthrenedaily maximum≤ .0255 mg/Lall year001
Phenanthrenedaily average≤ .4 lb/dall year001
Phenanthrenedaily maximum≤ .851 lb/dall year001
Pyrenedaily average≤ .45 lb/dall year001
Pyrenedaily maximum≤ 1.21 lb/dall year001
Tetrachloroethylenedaily average≤ .4 lb/dall year001
Tetrachloroethylenedaily maximum≤ 1.01 lb/dall year001
1,1-Dichloroethanedaily average≤ .4 lb/dall year001
1,1-Dichloroethanedaily maximum≤ 1.07 lb/dall year001
1,1-Dichloroethylenedaily average≤ .29 lb/dall year001
1,1-Dichloroethylenedaily maximum≤ .45 lb/dall year001
1,1,1-Trichloroethanedaily average≤ .38 lb/dall year001
1,1,1-Trichloroethanedaily maximum≤ .98 lb/dall year001
1,1,2-Trichloroethanedaily average≤ .38 lb/dall year001
1,1,2-Trichloroethanedaily maximum≤ .98 lb/dall year001
Benzo[a]anthracenedaily average≤ .000854 mg/Lall year001
Benzo[a]anthracenedaily maximum≤ .0018 mg/Lall year001
Benzo[a]anthracenedaily average≤ .029 lb/dall year001
Benzo[a]anthracenedaily maximum≤ .06 lb/dall year001
1,2-Dichlorobenzenedaily average≤ 1.39 lb/dall year001
1,2-Dichlorobenzenedaily maximum≤ 2.95 lb/dall year001
1,2-Dichloropropanedaily average≤ 2.77 lb/dall year001
1,2-Dichloropropanedaily maximum≤ 4.16 lb/dall year001
trans-1,2-Dichloroethylenedaily average≤ .38 lb/dall year001
trans-1,2-Dichloroethylenedaily maximum≤ .98 lb/dall year001
1,2,4-Trichlorobenzenedaily average≤ 1.23 lb/dall year001
1,2,4-Trichlorobenzenedaily maximum≤ 2.53 lb/dall year001
1,3-Dichlorobenzenedaily average≤ .56 lb/dall year001
1,3-Dichlorobenzenedaily maximum≤ .8 lb/dall year001
1,4-Dichlorobenzenedaily average≤ .27 lb/dall year001
1,4-Dichlorobenzenedaily maximum≤ .509 lb/dall year001
2-Chlorophenoldaily average≤ .56 lb/dall year001
2-Chlorophenoldaily maximum≤ 1.77 lb/dall year001
2-Nitrophenoldaily average≤ .74 lb/dall year001
2-Nitrophenoldaily maximum≤ 1.25 lb/dall year001
2,4-Dichlorophenoldaily average≤ .709 lb/dall year001
2,4-Dichlorophenoldaily maximum≤ 2.03 lb/dall year001
2,4-Dimethylphenoldaily average≤ .327 lb/dall year001
2,4-Dimethylphenoldaily maximum≤ .65 lb/dall year001
2,4-Dinitrotoluenedaily average≤ 2.04 lb/dall year001
2,4-Dinitrotoluenedaily maximum≤ 5.15 lb/dall year001
2,4-Dinitrophenoldaily average≤ 1.28 lb/dall year001
2,4-Dinitrophenoldaily maximum≤ 2.22 lb/dall year001
2,6-Dinitrotoluenedaily average≤ 4.61 lb/dall year001
2,6-Dinitrotoluenedaily maximum≤ 11.59 lb/dall year001
4-Nitrophenoldaily average≤ 1.3 lb/dall year001
4-Nitrophenoldaily maximum≤ 2.24 lb/dall year001
4,6-Dinitro-o-cresoldaily average≤ 1.41 lb/dall year001
4,6-Dinitro-o-cresoldaily maximum≤ 5.01 lb/dall year001
Phenoldaily average≤ .27 lb/dall year001
Phenoldaily maximum≤ .47 lb/dall year001
Naphthalenedaily average≤ .4 lb/dall year001
Naphthalenedaily maximum≤ 1.07 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]daily average≤ 1.86 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 5.05 lb/dall year001
Di-n-butyl phthalatedaily average≤ .49 lb/dall year001
Di-n-butyl phthalatedaily maximum≤ 1.03 lb/dall year001
Vinyl chloridedaily average≤ 1 lb/dall year001
Vinyl chloridedaily maximum≤ 1.33 lb/dall year001
Trichloroethylenedaily average≤ .38 lb/dall year001
Trichloroethylenedaily maximum≤ .98 lb/dall year001
Hexachlorobenzenedaily average≤ .0000232 mg/Lall year001
Hexachlorobenzenedaily maximum≤ .0000491 mg/Lall year001
Hexachlorobenzenedaily average≤ .000774 lb/dall year001
Hexachlorobenzenedaily maximum≤ .00164 lb/dall year001
Flow, in conduit or thru treatment plantdaily average≤ 4 MGDall year001
Flow, in conduit or thru treatment plantdaily maximum≤ 6.4 MGDall year001
1,3-Dichloropropylenedaily average≤ .52 lb/dall year001
1,3-Dichloropropylenedaily maximum≤ .8 lb/dall year001
Enterococcidaily average≤ 35 MPN/100mLall year001
Enterococcidaily maximum≤ 104 MPN/100mLall year001
3,4-Benzofluoranthenedaily average≤ .418 lb/dall year001
3,4-Benzofluoranthenedaily maximum≤ 1.1 lb/dall year001
pH range excursions, > 60 minutesmonthly total≤ 0 occur/moall year001
pH range excursions, monthly total accummonthly total≤ 446 minall year001
Chloroethanedaily average≤ 1.88 lb/dall year001
Chloroethanedaily maximum≤ 4.85 lb/dall year001
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
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 beryllina7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllinamonthly 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 beryllina7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly 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 beryllina7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly 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 beryllina7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinamonthly 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 beryllina7-day minimumreport only (%)all yearTX1
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllinamonthly 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 Growth Static Renewal 7 Day Chronic Menidia beryllina7-day minimumreport only (%)all yearTX1
LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllinamonthly 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 beryllinasingle grab samplereport only (pass=0;fail=1)all yearTXA

New limits from Nov 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Cyanide, free [as free], daily average0.293 lb/dnew0 lb/d (10 values)0×
Cyanide, free [as free], daily average0.00878 mg/Lnew0 mg/L (10 values)0×
Cyanide, free [as free], daily maximum0.0185 mg/Lnew0 mg/L (10 values)0×
Cyanide, free [as free], daily maximum0.618 lb/dnew0 lb/d (10 values)0×

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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