CEDAR PNID AND SUMIKA SEMICONDUCTOR MATERIALS TEXAS INC

NPDES permit TX0144355 · Minor NON-POTW · effective, expires 2029-01-02 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

7values over a limit
0required values missing, on 0 form(s)
10of 25 forms filed late

Last period with anything received: 2026-08-31. Most often over: Flow, in conduit or thru treatment plant (3), BOD, 5-day, 20 deg. C (3), Carbon tetrachloride (1).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (128)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 5 SU all year
001pHMAXIMUM <= 11 SU all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY AV <= 4.48 lb/d all year
001Solids, total suspendedDAILY MX <= 12.4 lb/d all year
001Oil & GreaseDAILY AV report only all year
001Oil & GreaseDAILY MX report only all year
001Oil & GreaseDAILY AV <= 2.6 lb/d all year
001Oil & GreaseDAILY MX <= 5.21 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= .0312 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= .0694 MGD all year
001pH range excursions, > 60 minutesMO TOTAL report only all year
001pH range excursions, monthly total accumMO TOTAL <= 446 min all year
101BOD, 5-day, 20 deg. CDAILY AV report only all year
101BOD, 5-day, 20 deg. CDAILY MX report only all year
101BOD, 5-day, 20 deg. CDAILY AV <= .551 lb/d all year
101BOD, 5-day, 20 deg. CDAILY MX <= 1.47 lb/d all year
101Solids, total suspendedDAILY AV report only all year
101Solids, total suspendedDAILY MX report only all year
101Solids, total suspendedDAILY AV <= .845 lb/d all year
101Solids, total suspendedDAILY MX <= 2.74 lb/d all year
101Carbon tetrachlorideDAILY AV <= .00261 lb/d all year
101Carbon tetrachlorideDAILY MX <= .00698 lb/d all year
1011,2-DichloroethaneDAILY AV <= .0033 lb/d all year
1011,2-DichloroethaneDAILY MX <= .0105 lb/d all year
101ChloroformDAILY AV <= .00204 lb/d all year
101ChloroformDAILY MX <= .00597 lb/d all year
101TolueneDAILY AV <= .000514 lb/d all year
101TolueneDAILY MX <= .00136 lb/d all year
101BenzeneDAILY AV <= .00105 lb/d all year
101BenzeneDAILY MX <= .00246 lb/d all year
101AcenaphthyleneDAILY AV <= .000349 lb/d all year
101AcenaphthyleneDAILY MX <= .000863 lb/d all year
101AcenaphtheneDAILY AV <= .000349 lb/d all year
101AcenaphtheneDAILY MX <= .000863 lb/d all year
101AcrylonitrileDAILY AV <= .00173 lb/d all year
101AcrylonitrileDAILY MX <= .00426 lb/d all year
101AnthraceneDAILY AV <= .000349 lb/d all year
101AnthraceneDAILY MX <= .000863 lb/d all year
101Benzo[k]fluorantheneDAILY AV <= .000349 lb/d all year
101Benzo[k]fluorantheneDAILY MX <= .000863 lb/d all year
101Benzo[a]pyreneDAILY AV <= .000367 lb/d all year
101Benzo[a]pyreneDAILY MX <= .000881 lb/d all year
101ChlorobenzeneDAILY AV <= .00261 lb/d all year
101ChlorobenzeneDAILY MX <= .00698 lb/d all year
101ChryseneDAILY AV <= .000349 lb/d all year
101ChryseneDAILY MX <= .000863 lb/d all year
101Diethyl phthalateDAILY AV <= .000845 lb/d all year
101Diethyl phthalateDAILY MX <= .00207 lb/d all year
101Dimethyl phthalateDAILY AV <= .000349 lb/d all year
101Dimethyl phthalateDAILY MX <= .000863 lb/d all year
101EthylbenzeneDAILY AV <= .00261 lb/d all year
101EthylbenzeneDAILY MX <= .00698 lb/d all year
101FluorantheneDAILY AV <= .000404 lb/d all year
101FluorantheneDAILY MX <= .000991 lb/d all year
101FluoreneDAILY AV <= .000349 lb/d all year
101FluoreneDAILY MX <= .000863 lb/d all year
101HexachlorobutadieneDAILY AV <= .00261 lb/d all year
101HexachlorobutadieneDAILY MX <= .00698 lb/d all year
101HexachloroethaneDAILY AV <= .0036 lb/d all year
101HexachloroethaneDAILY MX <= .0146 lb/d all year
101Methyl chloride [Chloromethane]DAILY AV <= .00202 lb/d all year
101Methyl chloride [Chloromethane]DAILY MX <= .00542 lb/d all year
101Methylene chlorideDAILY AV <= .000661 lb/d all year
101Methylene chlorideDAILY MX <= .00312 lb/d all year
101NitrobenzeneDAILY AV <= .0411 lb/d all year
101NitrobenzeneDAILY MX <= .118 lb/d all year
101PhenanthreneDAILY AV <= .000349 lb/d all year
101PhenanthreneDAILY MX <= .000863 lb/d all year
101PyreneDAILY AV <= .000367 lb/d all year
101PyreneDAILY MX <= .000881 lb/d all year
101TetrachloroethyleneDAILY AV <= .000955 lb/d all year
101TetrachloroethyleneDAILY MX <= .00301 lb/d all year
1011,1-DichloroethaneDAILY AV <= .000404 lb/d all year
1011,1-DichloroethaneDAILY MX <= .00108 lb/d all year
1011,1-DichloroethyleneDAILY AV <= .000404 lb/d all year
1011,1-DichloroethyleneDAILY MX <= .0011 lb/d all year
1011,1,1-TrichloroethaneDAILY AV <= .000404 lb/d all year
1011,1,1-TrichloroethaneDAILY MX <= .00108 lb/d all year
1011,1,2-TrichloroethaneDAILY AV <= .000587 lb/d all year
1011,1,2-TrichloroethaneDAILY MX <= .00233 lb/d all year
101Benzo[a]anthraceneDAILY AV <= .000349 lb/d all year
101Benzo[a]anthraceneDAILY MX <= .000863 lb/d all year
1011,2-DichlorobenzeneDAILY AV <= .0036 lb/d all year
1011,2-DichlorobenzeneDAILY MX <= .0146 lb/d all year
1011,2-DichloropropaneDAILY AV <= .0036 lb/d all year
1011,2-DichloropropaneDAILY MX <= .0146 lb/d all year
101trans-1,2-DichloroethyleneDAILY AV <= .000459 lb/d all year
101trans-1,2-DichloroethyleneDAILY MX <= .00121 lb/d all year
1011,2,4-TrichlorobenzeneDAILY AV <= .0036 lb/d all year
1011,2,4-TrichlorobenzeneDAILY MX <= .0146 lb/d all year
1011,3-DichlorobenzeneDAILY AV <= .00261 lb/d all year
1011,3-DichlorobenzeneDAILY MX <= .00698 lb/d all year
1011,4-DichlorobenzeneDAILY AV <= .00261 lb/d all year
1011,4-DichlorobenzeneDAILY MX <= .00698 lb/d all year
1012-NitrophenolDAILY AV <= .00119 lb/d all year
1012-NitrophenolDAILY MX <= .00424 lb/d all year
1012,4-DimethylphenolDAILY AV <= .000349 lb/d all year
1012,4-DimethylphenolDAILY MX <= .000863 lb/d all year
1012,4-DinitrophenolDAILY AV <= .0222 lb/d all year
1012,4-DinitrophenolDAILY MX <= .0788 lb/d all year
1014-NitrophenolDAILY AV <= .00297 lb/d all year
1014-NitrophenolDAILY MX <= .0106 lb/d all year
1014,6-Dinitro-o-cresolDAILY AV <= .00143 lb/d all year
1014,6-Dinitro-o-cresolDAILY MX <= .00509 lb/d all year
101PhenolDAILY AV <= .000349 lb/d all year
101PhenolDAILY MX <= .000863 lb/d all year
101NaphthaleneDAILY AV <= .000349 lb/d all year
101NaphthaleneDAILY MX <= .000863 lb/d all year
101Di[2-ethylhexyl] phthalate [DEHP]DAILY AV <= .00174 lb/d all year
101Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .00474 lb/d all year
101Di-n-butyl phthalateDAILY AV <= .000367 lb/d all year
101Di-n-butyl phthalateDAILY MX <= .000789 lb/d all year
101Vinyl chlorideDAILY AV <= .00178 lb/d all year
101Vinyl chlorideDAILY MX <= .00316 lb/d all year
101TrichloroethyleneDAILY AV <= .000477 lb/d all year
101TrichloroethyleneDAILY MX <= .00127 lb/d all year
101HexachlorobenzeneDAILY AV <= .0036 lb/d all year
101HexachlorobenzeneDAILY MX <= .0146 lb/d all year
101Flow, in conduit or thru treatment plantDAILY AV <= .0022 MGD all year
101Flow, in conduit or thru treatment plantDAILY MX <= .0044 MGD all year
1011,3-DichloropropyleneDAILY AV <= .0036 lb/d all year
1011,3-DichloropropyleneDAILY MX <= .0146 lb/d all year
1013,4-BenzofluorantheneDAILY AV <= .000367 lb/d all year
1013,4-BenzofluorantheneDAILY MX <= .000881 lb/d all year
101ChloroethaneDAILY AV <= .00202 lb/d all year
101ChloroethaneDAILY MX <= .00542 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