INDORAMA VENTURES OXIDES LLC

NPDES permit TX0005070 · Major NON-POTW · effective, expires 2028-09-14 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

9values over a limit
25required values missing, on 17 form(s)
17of 152 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, carbonaceous [5 day, 20 C] (3), Enterococci (2), Oxygen demand, chem. [high level] [COD] (2).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (260)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Carbon, tot organic [TOC]DAILY MX report only all year
001Copper, total [as Cu]DAILY AV <= .0072 mg/L all year
001Copper, total [as Cu]DAILY MX <= .015 mg/L all year
001Zinc, total [as Zn]DAILY AV <= .071 mg/L all year
001Zinc, total [as Zn]DAILY MX <= .15 mg/L all year
001AcrylonitrileDAILY AV <= .0247 mg/L all year
001AcrylonitrileDAILY MX <= .0523 mg/L all year
001Benzo[a]pyreneDAILY AV <= .0000213 mg/L all year
001Benzo[a]pyreneDAILY MX <= .0000415 mg/L all year
001PhenanthreneDAILY AV <= .0036 mg/L all year
001PhenanthreneDAILY MX <= .0077 mg/L all year
001Benzo[a]anthraceneDAILY AV <= .000213 mg/L all year
001Benzo[a]anthraceneDAILY MX <= .000415 mg/L all year
001HexachlorobenzeneDAILY AV <= .00000581 mg/L all year
001HexachlorobenzeneDAILY MX <= .0000122 mg/L all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY AV <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 30 mg/L all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 55 mg/L all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Nitrogen, ammonia total [as N]DAILY AV <= 1001 lb/d all year
004Nitrogen, ammonia total [as N]DAILY MX <= 1878 lb/d all year
004Carbon, tot organic [TOC]DAILY MX report only all year
004Benzo[a]pyreneDAILY AV <= .0000854 mg/L all year
004Benzo[a]pyreneDAILY MX <= .00018 mg/L all year
004PhenanthreneDAILY AV <= .011 mg/L all year
004PhenanthreneDAILY MX <= .024 mg/L all year
004Benzo[a]anthraceneDAILY AV <= .000854 mg/L all year
004Benzo[a]anthraceneDAILY MX <= .0018 mg/L all year
004HexachlorobenzeneDAILY AV <= .0000232 mg/L all year
004HexachlorobenzeneDAILY MX <= .0000491 mg/L all year
004Flow, in conduit or thru treatment plantDAILY AV report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004BOD, carbonaceous [5 day, 20 C]DAILY AV <= 1251 lb/d all year
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 3755 lb/d all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Carbon, tot organic [TOC]DAILY MX <= 55 mg/L all year
006Flow, in conduit or thru treatment plantDAILY AV report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
007pHMINIMUM >= 6 SU all year
007pHMAXIMUM <= 9 SU all year
007Oil & GreaseDAILY MX <= 15 mg/L all year
007Carbon, tot organic [TOC]DAILY MX <= 55 mg/L all year
007Flow, in conduit or thru treatment plantDAILY AV report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Oil & GreaseDAILY MX <= 15 mg/L all year
008Carbon, tot organic [TOC]DAILY MX <= 55 mg/L all year
008Flow, in conduit or thru treatment plantDAILY AV report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
009pHMINIMUM >= 6 SU all year
009pHMAXIMUM <= 9 SU all year
009Oil & GreaseDAILY MX <= 15 mg/L all year
009Carbon, tot organic [TOC]DAILY MX <= 55 mg/L all year
009Flow, in conduit or thru treatment plantDAILY AV report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
010pHMINIMUM >= 6 SU all year
010pHMAXIMUM <= 9 SU all year
010Oil & GreaseDAILY MX <= 15 mg/L all year
010Carbon, tot organic [TOC]DAILY MX <= 55 mg/L all year
010Flow, in conduit or thru treatment plantDAILY AV report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
012pHMINIMUM >= 6 SU all year
012pHMAXIMUM <= 9 SU all year
012Oil & GreaseDAILY MX <= 15 mg/L all year
012Carbon, tot organic [TOC]DAILY MX <= 55 mg/L all year
012Flow, in conduit or thru treatment plantDAILY AV report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
301BOD, 5-day, 20 deg. CDAILY AV <= 1798 lb/d all year
301BOD, 5-day, 20 deg. CDAILY MX <= 4567 lb/d all year
301Oxygen demand, chem. [high level] [COD]DAILY AV <= 10770 lb/d all year
301Oxygen demand, chem. [high level] [COD]DAILY MX <= 20812 lb/d all year
301pHMINIMUM >= 6 SU all year
301pHMAXIMUM <= 9 SU all year
301Solids, total suspendedDAILY AV <= 2973 lb/d all year
301Solids, total suspendedDAILY MX <= 8325 lb/d all year
301Oil & GreaseDAILY AV <= 668 lb/d all year
301Oil & GreaseDAILY MX <= 1002 lb/d all year
301Carbon, tot organic [TOC]DAILY AV <= 6250 lb/d all year
301Carbon, tot organic [TOC]DAILY MX <= 12500 lb/d all year
301Chromium, total [as Cr]DAILY AV <= 10 lb/d all year
301Chromium, total [as Cr]DAILY MX <= 20 lb/d all year
301Carbon tetrachlorideDAILY AV <= .93 lb/d all year
301Carbon tetrachlorideDAILY MX <= 1.97 lb/d all year
3011,2-DichloroethaneDAILY AV <= 3.52 lb/d all year
3011,2-DichloroethaneDAILY MX <= 10.93 lb/d all year
301ChloroformDAILY AV <= 1.09 lb/d all year
301ChloroformDAILY MX <= 2.38 lb/d all year
301TolueneDAILY AV <= 1.35 lb/d all year
301TolueneDAILY MX <= 4.15 lb/d all year
301BenzeneDAILY AV <= 1.92 lb/d all year
301BenzeneDAILY MX <= 7.05 lb/d all year
301AcenaphthyleneDAILY AV <= 1.14 lb/d all year
301AcenaphthyleneDAILY MX <= 3.06 lb/d all year
301AcenaphtheneDAILY AV <= 1.14 lb/d all year
301AcenaphtheneDAILY MX <= 3.06 lb/d all year
301AcrylonitrileDAILY AV <= 4.97 lb/d all year
301AcrylonitrileDAILY MX <= 12.54 lb/d all year
301AnthraceneDAILY AV <= 1.14 lb/d all year
301AnthraceneDAILY MX <= 3.06 lb/d all year
301Benzo[k]fluorantheneDAILY AV <= 1.14 lb/d all year
301Benzo[k]fluorantheneDAILY MX <= 3.06 lb/d all year
301Benzo[a]pyreneDAILY AV <= 1.19 lb/d all year
301Benzo[a]pyreneDAILY MX <= 3.16 lb/d all year
301ChlorobenzeneDAILY AV <= .78 lb/d all year
301ChlorobenzeneDAILY MX <= 1.45 lb/d all year
301ChryseneDAILY AV <= 1.14 lb/d all year
301ChryseneDAILY MX <= 3.06 lb/d all year
301Diethyl phthalateDAILY AV <= 4.2 lb/d all year
301Diethyl phthalateDAILY MX <= 10.52 lb/d all year
301Dimethyl phthalateDAILY AV <= .98 lb/d all year
301Dimethyl phthalateDAILY MX <= 2.44 lb/d all year
301EthylbenzeneDAILY AV <= 1.66 lb/d all year
301EthylbenzeneDAILY MX <= 5.6 lb/d all year
301FluorantheneDAILY AV <= 1.3 lb/d all year
301FluorantheneDAILY MX <= 3.52 lb/d all year
301FluoreneDAILY AV <= 1.14 lb/d all year
301FluoreneDAILY MX <= 3.06 lb/d all year
301HexachlorobutadieneDAILY AV <= 1.04 lb/d all year
301HexachlorobutadieneDAILY MX <= 2.54 lb/d all year
301HexachloroethaneDAILY AV <= 1.09 lb/d all year
301HexachloroethaneDAILY MX <= 2.8 lb/d all year
301Methyl chloride [Chloromethane]DAILY AV <= 4.46 lb/d all year
301Methyl chloride [Chloromethane]DAILY MX <= 9.85 lb/d all year
301Methylene chlorideDAILY AV <= 2.07 lb/d all year
301Methylene chlorideDAILY MX <= 4.61 lb/d all year
301NitrobenzeneDAILY AV <= 1.4 lb/d all year
301NitrobenzeneDAILY MX <= 3.52 lb/d all year
301PhenanthreneDAILY AV <= 1.14 lb/d all year
301PhenanthreneDAILY MX <= 3.06 lb/d all year
301PyreneDAILY AV <= 1.3 lb/d all year
301PyreneDAILY MX <= 3.47 lb/d all year
301TetrachloroethyleneDAILY AV <= 1.14 lb/d all year
301TetrachloroethyleneDAILY MX <= 2.9 lb/d all year
3011,1-DichloroethaneDAILY AV <= 1.14 lb/d all year
3011,1-DichloroethaneDAILY MX <= 3.06 lb/d all year
3011,1-DichloroethyleneDAILY AV <= .83 lb/d all year
3011,1-DichloroethyleneDAILY MX <= 1.3 lb/d all year
3011,1,1-TrichloroethaneDAILY AV <= 1.09 lb/d all year
3011,1,1-TrichloroethaneDAILY MX <= 2.8 lb/d all year
3011,1,2-TrichloroethaneDAILY AV <= 1.09 lb/d all year
3011,1,2-TrichloroethaneDAILY MX <= 2.8 lb/d all year
301Benzo[a]anthraceneDAILY AV <= 1.14 lb/d all year
301Benzo[a]anthraceneDAILY MX <= 3.06 lb/d all year
3011,2-DichlorobenzeneDAILY AV <= 3.99 lb/d all year
3011,2-DichlorobenzeneDAILY MX <= 8.45 lb/d all year
3011,2-DichloropropaneDAILY AV <= 7.93 lb/d all year
3011,2-DichloropropaneDAILY MX <= 11.92 lb/d all year
301trans-1,2-DichloroethyleneDAILY AV <= 1.09 lb/d all year
301trans-1,2-DichloroethyleneDAILY MX <= 2.8 lb/d all year
3011,2,4-TrichlorobenzeneDAILY AV <= 3.52 lb/d all year
3011,2,4-TrichlorobenzeneDAILY MX <= 7.26 lb/d all year
3011,3-DichlorobenzeneDAILY AV <= 1.61 lb/d all year
3011,3-DichlorobenzeneDAILY MX <= 2.28 lb/d all year
3011,4-DichlorobenzeneDAILY AV <= .78 lb/d all year
3011,4-DichlorobenzeneDAILY MX <= 1.45 lb/d all year
3012-ChlorophenolDAILY AV <= 1.61 lb/d all year
3012-ChlorophenolDAILY MX <= 5.08 lb/d all year
3012-NitrophenolDAILY AV <= 2.12 lb/d all year
3012-NitrophenolDAILY MX <= 3.58 lb/d all year
3012,4-DichlorophenolDAILY AV <= 2.02 lb/d all year
3012,4-DichlorophenolDAILY MX <= 5.8 lb/d all year
3012,4-DimethylphenolDAILY AV <= .93 lb/d all year
3012,4-DimethylphenolDAILY MX <= 1.87 lb/d all year
3012,4-DinitrotolueneDAILY AV <= 5.86 lb/d all year
3012,4-DinitrotolueneDAILY MX <= 14.77 lb/d all year
3012,4-DinitrophenolDAILY AV <= 3.68 lb/d all year
3012,4-DinitrophenolDAILY MX <= 6.37 lb/d all year
3012,6-DinitrotolueneDAILY AV <= 13.21 lb/d all year
3012,6-DinitrotolueneDAILY MX <= 33.22 lb/d all year
3014-NitrophenolDAILY AV <= 3.73 lb/d all year
3014-NitrophenolDAILY MX <= 6.43 lb/d all year
3014,6-Dinitro-o-cresolDAILY AV <= 4.04 lb/d all year
3014,6-Dinitro-o-cresolDAILY MX <= 14.35 lb/d all year
301PhenolDAILY AV <= .78 lb/d all year
301PhenolDAILY MX <= 1.35 lb/d all year
301NaphthaleneDAILY AV <= 1.14 lb/d all year
301NaphthaleneDAILY MX <= 3.06 lb/d all year
301Di[2-ethylhexyl] phthalate [DEHP]DAILY AV <= 5.34 lb/d all year
301Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 14.46 lb/d all year
301Di-n-butyl phthalateDAILY AV <= 1.4 lb/d all year
301Di-n-butyl phthalateDAILY MX <= 2.95 lb/d all year
301Vinyl chlorideDAILY AV <= 5.39 lb/d all year
301Vinyl chlorideDAILY MX <= 13.89 lb/d all year
301TrichloroethyleneDAILY AV <= 1.09 lb/d all year
301TrichloroethyleneDAILY MX <= 2.8 lb/d all year
301HexachlorobenzeneDAILY AV <= .78 lb/d all year
301HexachlorobenzeneDAILY MX <= 1.45 lb/d all year
301PhenolsDAILY AV <= 10 lb/d all year
301PhenolsDAILY MX <= 20 lb/d all year
301Flow, in conduit or thru treatment plantDAILY AV <= 15 MGD all year
301Flow, in conduit or thru treatment plantDAILY MX <= 20 MGD all year
3011,3-DichloropropyleneDAILY AV <= 1.5 lb/d all year
3011,3-DichloropropyleneDAILY MX <= 2.28 lb/d all year
301EnterococciDAILY AV <= 35 CFU/100mL all year
301EnterococciDAILY MX <= 104 CFU/100mL all year
3013,4-BenzofluorantheneDAILY AV <= 1.19 lb/d all year
3013,4-BenzofluorantheneDAILY MX <= 3.16 lb/d all year
301ChloroethaneDAILY AV <= 5.39 lb/d all year
301ChloroethaneDAILY MX <= 13.89 lb/d all year
601Oxygen, dissolved [DO]MO MIN >= 3 mg/L all year
601Nitrogen, ammonia total [as N]DAILY AV <= 8 mg/L Jan, Feb, Mar, Nov, Dec
601Nitrogen, ammonia total [as N]DAILY AV <= 3 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
601Nitrogen, ammonia total [as N]DAILY MX <= 15 mg/L Jan, Feb, Mar, Nov, Dec
601Nitrogen, ammonia total [as N]DAILY MX <= 15 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
601Flow, in conduit or thru treatment plantDAILY AV <= 15 MGD all year
601Flow, in conduit or thru treatment plantDAILY MX report only all year
701Oxygen, dissolved [DO]MO MIN >= 2 mg/L Jan, Feb, Mar, Nov, Dec
701Oxygen, dissolved [DO]MO MIN >= 3 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
701Nitrogen, ammonia total [as N]DAILY AV <= 5 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
701Nitrogen, ammonia total [as N]DAILY AV <= 11 mg/L Jan, Feb, Mar, Nov, Dec
701Nitrogen, ammonia total [as N]DAILY MX <= 15 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
701Nitrogen, ammonia total [as N]DAILY MX <= 15 mg/L Jan, Feb, Mar, Nov, Dec
701Flow, in conduit or thru treatment plantDAILY AV <= 5 MGD all year
701Flow, in conduit or thru treatment plantDAILY MX <= 10 MGD all year
801Oxygen, dissolved [DO]MO MIN >= 2 mg/L all year
801Nitrogen, ammonia total [as N]DAILY AV <= 12 mg/L all year
801Nitrogen, ammonia total [as N]DAILY MX <= 15 mg/L all year
801Flow, in conduit or thru treatment plantDAILY AV <= 1 MGD all year
801Flow, in conduit or thru treatment plantDAILY MX <= 2 MGD all year
TX4Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX4Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX4Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX4Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX4NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX4NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX4NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX4NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX4NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX4NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX4NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX4NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX4Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX4Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX4Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX4Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX4LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX4LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX4LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX4LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TX4LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX4LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX4LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX4LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllinaMO AV MN report only all year
TXDWhole effluent toxicity - retest #1SINGSAMP report only all year
TXDWhole effluent toxicity - retest #2SINGSAMP report only all year
TXDLC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TXDLC50 Pass/Fail Static 24Hr Acute Menidia beryllinaSINGSAMP report only all year

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