SHIN-ETSU SILICONES OF AMERICA INC

NPDES permit TX0124427 · Major NON-POTW · effective, expires 2029-09-24 · 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

1values over a limit
0required values missing, on 0 form(s)
0of 12 forms filed late

Last period with anything received: 2026-07-31. Most often over: Enterococci (1).

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among TX permits in EPA's filings — check your permit).

Limits in force (248)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CDAILY AV report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY AV <= 142 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 375 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY AV report only all year
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001Oxygen demand, chem. [high level] [COD]DAILY AV report only all year
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY AV <= 185 lb/d all year
001Solids, total suspendedDAILY MX <= 585 lb/d all year
001Nitrogen, ammonia total [as N]DAILY AV report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY AV report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Silica, dissolved [as SiO2]DAILY MX report only all year
001Silica, dissolved [as SiO2]DAILY MX report only all year
001Carbon tetrachlorideDAILY AV report only all year
001Carbon tetrachlorideDAILY MX report only all year
001Carbon tetrachlorideDAILY AV <= .055 lb/d all year
001Carbon tetrachlorideDAILY MX <= .116 lb/d all year
0011,2-DichloroethaneDAILY AV report only all year
0011,2-DichloroethaneDAILY MX report only all year
0011,2-DichloroethaneDAILY AV <= .208 lb/d all year
0011,2-DichloroethaneDAILY MX <= .646 lb/d all year
001ChloroformDAILY AV report only all year
001ChloroformDAILY MX report only all year
001ChloroformDAILY AV <= .064 lb/d all year
001ChloroformDAILY MX <= .141 lb/d all year
001TolueneDAILY AV report only all year
001TolueneDAILY MX report only all year
001TolueneDAILY AV <= .08 lb/d all year
001TolueneDAILY MX <= .245 lb/d all year
001BenzeneDAILY AV report only all year
001BenzeneDAILY MX report only all year
001BenzeneDAILY AV <= .113 lb/d all year
001BenzeneDAILY MX <= .416 lb/d all year
001AcenaphthyleneDAILY AV report only all year
001AcenaphthyleneDAILY MX report only all year
001AcenaphthyleneDAILY AV <= .067 lb/d all year
001AcenaphthyleneDAILY MX <= .181 lb/d all year
001AcenaphtheneDAILY AV report only all year
001AcenaphtheneDAILY MX report only all year
001AcenaphtheneDAILY AV <= .067 lb/d all year
001AcenaphtheneDAILY MX <= .19 lb/d all year
001AcrylonitrileDAILY AV report only all year
001AcrylonitrileDAILY MX report only all year
001AcrylonitrileDAILY AV <= .294 lb/d all year
001AcrylonitrileDAILY MX <= .741 lb/d all year
001AnthraceneDAILY AV report only all year
001AnthraceneDAILY MX report only all year
001AnthraceneDAILY AV <= .067 lb/d all year
001AnthraceneDAILY MX <= .181 lb/d all year
001Benzo[k]fluorantheneDAILY AV report only all year
001Benzo[k]fluorantheneDAILY MX report only all year
001Benzo[k]fluorantheneDAILY AV <= .067 lb/d all year
001Benzo[k]fluorantheneDAILY MX <= .181 lb/d all year
001Benzo[a]pyreneDAILY AV report only all year
001Benzo[a]pyreneDAILY MX report only all year
001Benzo[a]pyreneDAILY AV <= .07 lb/d all year
001Benzo[a]pyreneDAILY MX <= .187 lb/d all year
001ChlorobenzeneDAILY AV report only all year
001ChlorobenzeneDAILY MX report only all year
001ChlorobenzeneDAILY AV <= .046 lb/d all year
001ChlorobenzeneDAILY MX <= .86 lb/d all year
001ChryseneDAILY AV report only all year
001ChryseneDAILY MX report only all year
001ChryseneDAILY AV <= .067 lb/d all year
001ChryseneDAILY MX <= .181 lb/d all year
001Diethyl phthalateDAILY AV report only all year
001Diethyl phthalateDAILY MX report only all year
001Diethyl phthalateDAILY AV <= .248 lb/d all year
001Diethyl phthalateDAILY MX <= .621 lb/d all year
001Dimethyl phthalateDAILY AV report only all year
001Dimethyl phthalateDAILY MX report only all year
001Dimethyl phthalateDAILY AV <= .058 lb/d all year
001Dimethyl phthalateDAILY MX <= .144 lb/d all year
001EthylbenzeneDAILY AV report only all year
001EthylbenzeneDAILY MX report only all year
001EthylbenzeneDAILY AV <= .098 lb/d all year
001EthylbenzeneDAILY MX <= .33 lb/d all year
001FluorantheneDAILY AV report only all year
001FluorantheneDAILY MX report only all year
001FluorantheneDAILY AV <= .077 lb/d all year
001FluorantheneDAILY MX <= .208 lb/d all year
001FluoreneDAILY AV report only all year
001FluoreneDAILY MX report only all year
001FluoreneDAILY AV <= .067 lb/d all year
001FluoreneDAILY MX <= .181 lb/d all year
001HexachlorobutadieneDAILY AV report only all year
001HexachlorobutadieneDAILY MX report only all year
001HexachlorobutadieneDAILY AV <= .061 lb/d all year
001HexachlorobutadieneDAILY MX <= .15 lb/d all year
001HexachloroethaneDAILY AV report only all year
001HexachloroethaneDAILY MX report only all year
001HexachloroethaneDAILY AV <= .064 lb/d all year
001HexachloroethaneDAILY MX <= .165 lb/d all year
001Methyl chloride [Chloromethane]DAILY AV report only all year
001Methyl chloride [Chloromethane]DAILY MX report only all year
001Methyl chloride [Chloromethane]DAILY AV <= .263 lb/d all year
001Methyl chloride [Chloromethane]DAILY MX <= .581 lb/d all year
001Methylene chlorideDAILY AV report only all year
001Methylene chlorideDAILY MX report only all year
001Methylene chlorideDAILY AV <= .122 lb/d all year
001Methylene chlorideDAILY MX <= .272 lb/d all year
001NitrobenzeneDAILY AV report only all year
001NitrobenzeneDAILY MX report only all year
001NitrobenzeneDAILY AV <= .083 lb/d all year
001NitrobenzeneDAILY MX <= .208 lb/d all year
001PhenanthreneDAILY AV report only all year
001PhenanthreneDAILY MX report only all year
001PhenanthreneDAILY AV <= .067 lb/d all year
001PhenanthreneDAILY MX <= .181 lb/d all year
001PyreneDAILY AV report only all year
001PyreneDAILY MX report only all year
001PyreneDAILY AV <= .077 lb/d all year
001PyreneDAILY MX <= .205 lb/d all year
001TetrachloroethyleneDAILY AV report only all year
001TetrachloroethyleneDAILY MX report only all year
001TetrachloroethyleneDAILY AV <= .067 lb/d all year
001TetrachloroethyleneDAILY MX <= .171 lb/d all year
0011,1-DichloroethaneDAILY AV report only all year
0011,1-DichloroethaneDAILY MX report only all year
0011,1-DichloroethaneDAILY AV <= .067 lb/d all year
0011,1-DichloroethaneDAILY MX <= .181 lb/d all year
0011,1-DichloroethyleneDAILY AV report only all year
0011,1-DichloroethyleneDAILY MX report only all year
0011,1-DichloroethyleneDAILY AV <= .049 lb/d all year
0011,1-DichloroethyleneDAILY MX <= .077 lb/d all year
0011,1,1-TrichloroethaneDAILY AV report only all year
0011,1,1-TrichloroethaneDAILY MX report only all year
0011,1,1-TrichloroethaneDAILY AV <= .064 lb/d all year
0011,1,1-TrichloroethaneDAILY MX <= .165 lb/d all year
0011,1,2-TrichloroethaneDAILY AV report only all year
0011,1,2-TrichloroethaneDAILY MX report only all year
0011,1,2-TrichloroethaneDAILY AV <= .064 lb/d all year
0011,1,2-TrichloroethaneDAILY MX <= .165 lb/d all year
001Benzo[a]anthraceneDAILY AV report only all year
001Benzo[a]anthraceneDAILY MX report only all year
001Benzo[a]anthraceneDAILY AV <= .067 lb/d all year
001Benzo[a]anthraceneDAILY MX <= .181 lb/d all year
0011,2-DichlorobenzeneDAILY AV report only all year
0011,2-DichlorobenzeneDAILY MX report only all year
0011,2-DichlorobenzeneDAILY AV <= .236 lb/d all year
0011,2-DichlorobenzeneDAILY MX <= .499 lb/d all year
0011,2-DichloropropaneDAILY AV report only all year
0011,2-DichloropropaneDAILY MX report only all year
0011,2-DichloropropaneDAILY AV <= .468 lb/d all year
0011,2-DichloropropaneDAILY MX <= .704 lb/d all year
001trans-1,2-DichloroethyleneDAILY AV report only all year
001trans-1,2-DichloroethyleneDAILY MX report only all year
001trans-1,2-DichloroethyleneDAILY AV <= .064 lb/d all year
001trans-1,2-DichloroethyleneDAILY MX <= .165 lb/d all year
0011,2,4-TrichlorobenzeneDAILY AV report only all year
0011,2,4-TrichlorobenzeneDAILY MX report only all year
0011,2,4-TrichlorobenzeneDAILY AV <= .208 lb/d all year
0011,2,4-TrichlorobenzeneDAILY MX <= .428 lb/d all year
0011,3-DichlorobenzeneDAILY AV report only all year
0011,3-DichlorobenzeneDAILY MX report only all year
0011,3-DichlorobenzeneDAILY AV <= .095 lb/d all year
0011,3-DichlorobenzeneDAILY MX <= .135 lb/d all year
0011,4-DichlorobenzeneDAILY AV report only all year
0011,4-DichlorobenzeneDAILY MX report only all year
0011,4-DichlorobenzeneDAILY AV <= .046 lb/d all year
0011,4-DichlorobenzeneDAILY MX <= .086 lb/d all year
0012-ChlorophenolDAILY AV report only all year
0012-ChlorophenolDAILY MX report only all year
0012-ChlorophenolDAILY AV <= .095 lb/d all year
0012-ChlorophenolDAILY MX <= .3 lb/d all year
0012-NitrophenolDAILY AV report only all year
0012-NitrophenolDAILY MX report only all year
0012-NitrophenolDAILY AV <= .125 lb/d all year
0012-NitrophenolDAILY MX <= .211 lb/d all year
0012,4-DichlorophenolDAILY AV report only all year
0012,4-DichlorophenolDAILY MX report only all year
0012,4-DichlorophenolDAILY AV <= .119 lb/d all year
0012,4-DichlorophenolDAILY MX <= .343 lb/d all year
0012,4-DimethylphenolDAILY AV report only all year
0012,4-DimethylphenolDAILY MX report only all year
0012,4-DimethylphenolDAILY AV <= .055 lb/d all year
0012,4-DimethylphenolDAILY MX <= .11 lb/d all year
0012,4-DinitrotolueneDAILY AV report only all year
0012,4-DinitrotolueneDAILY MX report only all year
0012,4-DinitrotolueneDAILY AV <= .346 lb/d all year
0012,4-DinitrotolueneDAILY MX <= .872 lb/d all year
0012,4-DinitrophenolDAILY AV report only all year
0012,4-DinitrophenolDAILY MX report only all year
0012,4-DinitrophenolDAILY AV <= .217 lb/d all year
0012,4-DinitrophenolDAILY MX <= .376 lb/d all year
0012,6-DinitrotolueneDAILY AV report only all year
0012,6-DinitrotolueneDAILY MX report only all year
0012,6-DinitrotolueneDAILY AV <= .78 lb/d all year
0012,6-DinitrotolueneDAILY MX <= 1.962 lb/d all year
0014-NitrophenolDAILY AV report only all year
0014-NitrophenolDAILY MX report only all year
0014-NitrophenolDAILY AV <= .22 lb/d all year
0014-NitrophenolDAILY MX <= .379 lb/d all year
0014,6-Dinitro-o-cresolDAILY AV report only all year
0014,6-Dinitro-o-cresolDAILY MX report only all year
0014,6-Dinitro-o-cresolDAILY AV <= .239 lb/d all year
0014,6-Dinitro-o-cresolDAILY MX <= .848 lb/d all year
001PhenolDAILY AV report only all year
001PhenolDAILY MX report only all year
001PhenolDAILY AV <= .046 lb/d all year
001PhenolDAILY MX <= .08 lb/d all year
001NaphthaleneDAILY AV report only all year
001NaphthaleneDAILY MX report only all year
001NaphthaleneDAILY AV <= .067 lb/d all year
001NaphthaleneDAILY MX <= .181 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY AV report only all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY AV <= .315 lb/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .854 lb/d all year
001Di-n-butyl phthalateDAILY AV report only all year
001Di-n-butyl phthalateDAILY MX report only all year
001Di-n-butyl phthalateDAILY AV <= .083 lb/d all year
001Di-n-butyl phthalateDAILY MX <= .174 lb/d all year
001Vinyl chlorideDAILY AV report only all year
001Vinyl chlorideDAILY MX report only all year
001Vinyl chlorideDAILY AV <= .318 lb/d all year
001Vinyl chlorideDAILY MX <= .82 lb/d all year
001TrichloroethyleneDAILY AV report only all year
001TrichloroethyleneDAILY MX report only all year
001TrichloroethyleneDAILY AV <= .064 lb/d all year
001TrichloroethyleneDAILY MX <= .165 lb/d all year
001HexachlorobenzeneDAILY AV report only all year
001HexachlorobenzeneDAILY MX report only all year
001HexachlorobenzeneDAILY AV <= .046 lb/d all year
001HexachlorobenzeneDAILY MX <= .086 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= .7 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 1 MGD all year
0011,3-DichloropropyleneDAILY AV report only all year
0011,3-DichloropropyleneDAILY MX report only all year
0011,3-DichloropropyleneDAILY AV <= .089 lb/d all year
0011,3-DichloropropyleneDAILY MX <= .135 lb/d all year
001EnterococciDAILY AV <= 35 CFU/100mL all year
001EnterococciDAILY MX <= 130 CFU/100mL all year
0013,4-BenzofluorantheneDAILY AV report only all year
0013,4-BenzofluorantheneDAILY MX report only all year
0013,4-BenzofluorantheneDAILY AV <= .07 lb/d all year
0013,4-BenzofluorantheneDAILY MX <= .187 lb/d all year
001ChloroethaneDAILY AV report only all year
001ChloroethaneDAILY MX report only all year
001ChloroethaneDAILY AV <= .318 lb/d all year
001ChloroethaneDAILY MX <= .82 lb/d all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states