Shell Chemical LP- Geismar Plant

NPDES permit LA0005754 · Major NON-POTW · administratively continued, expires 2023-10-31 · 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.

This permit expired on 2023-10-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 151 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among LA permits in EPA's filings — check your permit).

Limits in force (226)

OutfallParameterStatisticLimitMonths
001pHMINIMUM report only all year
001pHMAXIMUM report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
001pH range excursions, monthly total accumMO TOTAL <= 446 min all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexMO AV MN report only all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexMO AV MN report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasMO AV MN report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
001Coef Of Var Static Renewal 48Hr Acute D. pulexMAXIMUM report only all year
001Coef Of Var Static Renewal 48Hr Acute Pimephales promelasMAXIMUM report only all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
002Oil and greaseDAILY MX <= 15 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
003Oil and greaseDAILY MX <= 15 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
004Oil and greaseDAILY MX <= 15 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
005Oil and greaseDAILY MX <= 15 mg/L all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
006pHINST MIN >= 6 SU all year
006pHINST MAX <= 9 SU all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
006Chlorine, total residualDAILY MX <= .2 mg/L all year
007pHINST MIN >= 6 SU all year
007pHINST MAX <= 9 SU all year
007Solids, total suspendedDAILY MX <= 90 mg/L all year
007Solids, total suspendedDAILY MX <= 90 mg/L all year
007Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
007Lead, total [as Pb]DAILY MX <= 50 ug/L all year
007Oil and greaseDAILY MX <= 15 mg/L all year
007BenzeneDAILY MX <= 50 ug/L all year
007BTEXDAILY MX <= 250 ug/L all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
008BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
008BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
008pHINST MIN >= 6 SU all year
008pHINST MAX <= 9 SU all year
008Solids, total suspendedMO AVG <= 30 mg/L all year
008Solids, total suspendedDAILY MX <= 45 mg/L all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
008Coliform, fecal generalDAILY MX <= 400 #/100mL all year
011pHINST MIN >= 6 SU all year
011pHINST MAX <= 9 SU all year
011Oil & GreaseDAILY MX <= 15 mg/L all year
011Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
011Flow, in conduit or thru treatment plantMO AVG report only all year
011Flow, in conduit or thru treatment plantDAILY MX report only all year
012Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
012Oil and greaseDAILY MX <= 15 mg/L all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
013Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
013Oil and greaseDAILY MX <= 15 mg/L all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
101BOD, 5-day, 20 deg. CMO AVG <= 1373 lb/d all year
101BOD, 5-day, 20 deg. CDAILY MX <= 3644 lb/d all year
101pHINST MIN >= 6 SU all year
101pHINST MAX <= 9 SU all year
101Solids, total suspendedMO AVG <= 2001 lb/d all year
101Solids, total suspendedDAILY MX <= 6378 lb/d all year
101Zinc, total [as Zn]MO AVG <= .88 lb/d all year
101Zinc, total [as Zn]DAILY MX <= 2.18 lb/d all year
101Carbon tetrachlorideMO AVG <= .69 lb/d all year
101Carbon tetrachlorideDAILY MX <= 1.45 lb/d all year
1011,2-DichloroethaneMO AVG <= 2.6 lb/d all year
1011,2-DichloroethaneDAILY MX <= 8.08 lb/d all year
101ChloroformMO AVG <= .8 lb/d all year
101ChloroformDAILY MX <= 1.76 lb/d all year
101TolueneMO AVG <= 1 lb/d all year
101TolueneDAILY MX <= 3.06 lb/d all year
101BenzeneMO AVG <= 1.42 lb/d all year
101BenzeneDAILY MX <= 5.21 lb/d all year
101AcenaphthyleneMO AVG <= .84 lb/d all year
101AcenaphthyleneDAILY MX <= 2.26 lb/d all year
101AcenaphtheneMO AVG <= .84 lb/d all year
101AcenaphtheneDAILY MX <= 2.26 lb/d all year
101AcrylonitrileMO AVG <= 3.67 lb/d all year
101AcrylonitrileDAILY MX <= 9.26 lb/d all year
101AnthraceneMO AVG <= .84 lb/d all year
101AnthraceneDAILY MX <= 2.26 lb/d all year
101Benzo[b]fluorantheneMO AVG <= .88 lb/d all year
101Benzo[b]fluorantheneDAILY MX <= 2.34 lb/d all year
101Benzo[k]fluorantheneMO AVG <= .84 lb/d all year
101Benzo[k]fluorantheneDAILY MX <= 2.26 lb/d all year
101Benzo[a]pyreneMO AVG <= .88 lb/d all year
101Benzo[a]pyreneDAILY MX <= 2.34 lb/d all year
101ChlorobenzeneMO AVG <= .57 lb/d all year
101ChlorobenzeneDAILY MX <= 1.07 lb/d all year
101ChryseneMO AVG <= .84 lb/d all year
101ChryseneDAILY MX <= 2.26 lb/d all year
101Diethyl phthalateMO AVG <= 3.1 lb/d all year
101Diethyl phthalateDAILY MX <= 7.77 lb/d all year
101Dimethyl phthalateMO AVG <= .73 lb/d all year
101Dimethyl phthalateDAILY MX <= 1.8 lb/d all year
101EthylbenzeneMO AVG <= 1.22 lb/d all year
101EthylbenzeneDAILY MX <= 4.13 lb/d all year
101FluorantheneMO AVG <= .96 lb/d all year
101FluorantheneDAILY MX <= 2.6 lb/d all year
101FluoreneMO AVG <= .84 lb/d all year
101FluoreneDAILY MX <= 2.26 lb/d all year
101HexachlorobutadieneMO AVG <= .77 lb/d all year
101HexachlorobutadieneDAILY MX <= 1.88 lb/d all year
101HexachloroethaneMO AVG <= .8 lb/d all year
101HexachloroethaneDAILY MX <= 2.07 lb/d all year
101Methyl chloride [Chloromethane]MO AVG <= 3.29 lb/d all year
101Methyl chloride [Chloromethane]DAILY MX <= 7.27 lb/d all year
101Methylene chlorideMO AVG <= 1.53 lb/d all year
101Methylene chlorideDAILY MX <= 3.41 lb/d all year
101NitrobenzeneMO AVG <= 1.03 lb/d all year
101NitrobenzeneDAILY MX <= 2.6 lb/d all year
101PhenanthreneMO AVG <= .84 lb/d all year
101PhenanthreneDAILY MX <= 2.26 lb/d all year
101PyreneMO AVG <= .96 lb/d all year
101PyreneDAILY MX <= 2.56 lb/d all year
101TetrachloroethyleneMO AVG <= .84 lb/d all year
101TetrachloroethyleneDAILY MX <= 2.14 lb/d all year
1011,1-DichloroethaneMO AVG <= .84 lb/d all year
1011,1-DichloroethaneDAILY MX <= 2.26 lb/d all year
1011,1-DichloroethyleneMO AVG <= .61 lb/d all year
1011,1-DichloroethyleneDAILY MX <= .96 lb/d all year
1011,1,1-TrichloroethaneMO AVG <= .8 lb/d all year
1011,1,1-TrichloroethaneDAILY MX <= 2.07 lb/d all year
1011,1,2-TrichloroethaneMO AVG <= .8 lb/d all year
1011,1,2-TrichloroethaneDAILY MX <= 2.07 lb/d all year
101Benzo[a]anthraceneMO AVG <= .84 lb/d all year
101Benzo[a]anthraceneDAILY MX <= 2.26 lb/d all year
1011,2-DichlorobenzeneMO AVG <= 2.95 lb/d all year
1011,2-DichlorobenzeneDAILY MX <= 6.24 lb/d all year
1011,2-DichloropropaneMO AVG <= 5.86 lb/d all year
1011,2-DichloropropaneDAILY MX <= 8.8 lb/d all year
101trans-1,2-DichloroethyleneMO AVG <= 80 lb/d all year
101trans-1,2-DichloroethyleneDAILY MX <= 2.07 lb/d all year
1011,2,4-TrichlorobenzeneMO AVG <= 2.6 lb/d all year
1011,2,4-TrichlorobenzeneDAILY MX <= 5.36 lb/d all year
1011,3-DichlorobenzeneMO AVG <= 1.19 lb/d all year
1011,3-DichlorobenzeneDAILY MX <= 1.68 lb/d all year
1011,4-DichlorobenzeneMO AVG <= .57 lb/d all year
1011,4-DichlorobenzeneDAILY MX <= 1.07 lb/d all year
1012-ChlorophenolMO AVG <= 1.19 lb/d all year
1012-ChlorophenolDAILY MX <= 3.75 lb/d all year
1012-NitrophenolMO AVG <= 1.57 lb/d all year
1012-NitrophenolDAILY MX <= 2.64 lb/d all year
1012,4-DichlorophenolMO AVG <= 1.49 lb/d all year
1012,4-DichlorophenolDAILY MX <= 4.29 lb/d all year
1012,4-DimethylphenolMO AVG <= .69 lb/d all year
1012,4-DimethylphenolDAILY MX <= 1.38 lb/d all year
1012,4-DinitrotolueneMO AVG <= 4.33 lb/d all year
1012,4-DinitrotolueneDAILY MX <= 10.91 lb/d all year
1012,4-DinitrophenolMO AVG <= 2.72 lb/d all year
1012,4-DinitrophenolDAILY MX <= 4.71 lb/d all year
1012,6-DinitrotolueneMO AVG <= 9.76 lb/d all year
1012,6-DinitrotolueneDAILY MX <= 24.54 lb/d all year
1014-NitrophenolMO AVG <= 2.76 lb/d all year
1014-NitrophenolDAILY MX <= 4.75 lb/d all year
1014,6-Dinitro-o-cresolMO AVG <= 2.99 lb/d all year
1014,6-Dinitro-o-cresolDAILY MX <= 10.6 lb/d all year
101PhenolMO AVG <= .57 lb/d all year
101PhenolDAILY MX <= 1 lb/d all year
101NaphthaleneMO AVG <= .84 lb/d all year
101NaphthaleneDAILY MX <= 2.26 lb/d all year
101Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 3.94 lb/d all year
101Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 10.68 lb/d all year
101Di-n-butyl phthalateMO AVG <= 1.03 lb/d all year
101Di-n-butyl phthalateDAILY MX <= 2.18 lb/d all year
101Vinyl chlorideMO AVG <= 3.98 lb/d all year
101Vinyl chlorideDAILY MX <= 10.26 lb/d all year
101TrichloroethyleneMO AVG <= .8 lb/d all year
101TrichloroethyleneDAILY MX <= 2.07 lb/d all year
101HexachlorobenzeneMO AVG <= .57 lb/d all year
101HexachlorobenzeneDAILY MX <= 1.07 lb/d all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
1011,3-DichloropropeneMO AVG <= 1.11 lb/d all year
1011,3-DichloropropeneDAILY MX <= 1.68 lb/d all year
101ChloroethaneMO AVG <= 3.98 lb/d all year
101ChloroethaneDAILY MX <= 10.26 lb/d all year
201Flow, in conduit or thru treatment plantMO AVG report only all year
201Flow, in conduit or thru treatment plantDAILY MX report only all year
301Carbon, tot organic [TOC]DAILY MX report only all year
301Carbon, tot organic [TOC]DAILY MX report only all year
301Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
301Flow, in conduit or thru treatment plantMO AVG report only all year
301Flow, in conduit or thru treatment plantDAILY MX report only all year
401Carbon, tot organic [TOC]DAILY MX report only all year
401Carbon, tot organic [TOC]DAILY MX report only all year
401Carbon, tot organic [TOC]DAILY MX <= 5 mg/L all year
401Flow, in conduit or thru treatment plantMO AVG report only all year
401Flow, in conduit or thru treatment plantDAILY MX report only all year
501Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
501Flow, in conduit or thru treatment plantMO AVG report only all year
501Flow, in conduit or thru treatment plantDAILY MX report only all year
601Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
601Flow, in conduit or thru treatment plantMO AVG report only all year
601Flow, in conduit or thru treatment plantDAILY MX report only all year
701Oil & GreaseDAILY MX <= 15 mg/L all year
701Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
701Flow, in conduit or thru treatment plantMO AVG report only all year
701Flow, in conduit or thru treatment plantDAILY MX report only 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