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Solstice Advanced Materials US, Inc.- Geismar Facility

Industrial Organic Chemicals, major discharger, Geismar, Louisiana. NPDES permit LA0006181, in force until Aug 31, 2027. Last 12 months: over a limit 5 times (last September 2026), 36 of 131 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (20 values), outfall 001 form Q quarterly (2 values), outfall 002 form A monthly (23 values), outfall 003 form A monthly (2 values), outfall 004 form Q quarterly (6 values), outfall 005 form A monthly (8 values), and 11 more forms
Renewal application due
Mar 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 13 of 131 reports late

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

Period endingOutfallParameterReportedLimitOver by
October 2025005BOD, 5-day, 20 deg. C, monthly average41.77 mg/L≤ 30 mg/L39%
December 2025005Solids, total suspended, daily maximum53 mg/L≤ 45 mg/L18%
December 2025005Solids, total suspended, monthly average53 mg/L≤ 30 mg/L77%
December 2025CT0Cycles Of Concentration, minimum1.6 c≥ 3 c47%
September 2026CT0Cycles Of Concentration, minimum2.8 c≥ 3 c7%

Limits in force (301)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 254 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 688 lb/dall year001
pHinstantaneous minimumreport only (SU)all year001
pHinstantaneous maximumreport only (SU)all year001
Solids, total suspendedmonthly average≤ 438 lb/dall year001
Solids, total suspendeddaily maximum≤ 1420 lb/dall year001
Magnesium, total [as Mg]monthly averagereport only (lb/d)all year001
Magnesium, total [as Mg]daily maximumreport only (lb/d)all year001
Fluoride, total [as F]monthly average≤ 180.93 lb/dall year001
Fluoride, total [as F]daily maximum≤ 361.86 lb/dall year001
Chromium, total [as Cr]monthly average≤ 6.09 lb/dall year001
Chromium, total [as Cr]daily maximum≤ 15.19 lb/dall year001
Radium 226, totalmonthly average≤ .4 pCi/mLall year001
Radium 226, totaldaily maximum≤ .5 pCi/mLall year001
Carbon tetrachloridemonthly average≤ .68 lb/dall year001
Carbon tetrachloridemonthly average≤ .78 lb/dall year001
Carbon tetrachloridedaily maximum≤ 1.81 lb/dall year001
Carbon tetrachloridedaily maximum≤ 2.08 lb/dall year001
1,2-Dichloroethanemonthly average≤ .86 lb/dall year001
1,2-Dichloroethanemonthly average≤ .99 lb/dall year001
1,2-Dichloroethanedaily maximum≤ 2.73 lb/dall year001
1,2-Dichloroethanedaily maximum≤ 3.15 lb/dall year001
Chloroformmonthly average≤ .53 lb/dall year001
Chloroformmonthly average≤ .61 lb/dall year001
Chloroformdaily maximum≤ 1.55 lb/dall year001
Chloroformdaily maximum≤ 1.78 lb/dall year001
Toluenemonthly average≤ .13 lb/dall year001
Toluenemonthly average≤ .15 lb/dall year001
Toluenedaily maximum≤ .35 lb/dall year001
Toluenedaily maximum≤ .41 lb/dall year001
Benzenemonthly average≤ .27 lb/dall year001
Benzenemonthly average≤ .31 lb/dall year001
Benzenedaily maximum≤ .64 lb/dall year001
Benzenedaily maximum≤ .73 lb/dall year001
Acenaphthylenemonthly average≤ .09 lb/dall year001
Acenaphthylenemonthly average≤ .1 lb/dall year001
Acenaphthylenedaily maximum≤ .22 lb/dall year001
Acenaphthylenedaily maximum≤ .26 lb/dall year001
Acenaphtheneaverage≤ .09 lb/dall year001
Acenaphthenemonthly average≤ .1 lb/dall year001
Acenaphthenemaximum≤ .22 lb/dall year001
Acenaphthenedaily maximum≤ .26 lb/dall year001
Acrylonitrilemonthly average≤ .45 lb/dall year001
Acrylonitrilemonthly average≤ .52 lb/dall year001
Acrylonitriledaily maximum≤ 1.1 lb/dall year001
Acrylonitriledaily maximum≤ 1.27 lb/dall year001
Anthracenemonthly average≤ .09 lb/dall year001
Anthracenemonthly average≤ .1 lb/dall year001
Anthracenedaily maximum≤ .22 lb/dall year001
Anthracenedaily maximum≤ .26 lb/dall year001
Benzo[b]fluoranthenemonthly average≤ .1 lb/dall year001
Benzo[b]fluoranthenemonthly average≤ .11 lb/dall year001
Benzo[b]fluoranthenedaily maximum≤ .23 lb/dall year001
Benzo[b]fluoranthenedaily maximum≤ .26 lb/dall year001
Benzo[k]fluoranthenemonthly average≤ .09 lb/dall year001
Benzo[k]fluoranthenemonthly average≤ .1 lb/dall year001
Benzo[k]fluoranthenedaily maximum≤ .22 lb/dall year001
Benzo[k]fluoranthenedaily maximum≤ .26 lb/dall year001
Benzo[a]pyrenemonthly average≤ .1 lb/dall year001
Benzo[a]pyrenemonthly average≤ .11 lb/dall year001
Benzo[a]pyrenedaily maximum≤ .23 lb/dall year001
Benzo[a]pyrenedaily maximum≤ .26 lb/dall year001
Chlorobenzenemonthly average≤ .68 lb/dall year001
Chlorobenzenemonthly average≤ .78 lb/dall year001
Chlorobenzenedaily maximum≤ 1.81 lb/dall year001
Chlorobenzenedaily maximum≤ 2.08 lb/dall year001
Chrysenemonthly average≤ .09 lb/dall year001
Chrysenemonthly average≤ .1 lb/dall year001
Chrysenedaily maximum≤ .22 lb/dall year001
Chrysenedaily maximum≤ .26 lb/dall year001
Diethyl phthalatemonthly average≤ .22 lb/dall year001
Diethyl phthalatemonthly average≤ .25 lb/dall year001
Diethyl phthalatedaily maximum≤ .54 lb/dall year001
Diethyl phthalatedaily maximum≤ .62 lb/dall year001
Dimethyl phthalatemonthly average≤ .09 lb/dall year001
Dimethyl phthalatemonthly average≤ .1 lb/dall year001
Dimethyl phthalatedaily maximum≤ .22 lb/dall year001
Dimethyl phthalatedaily maximum≤ .26 lb/dall year001
Ethylbenzenemonthly average≤ .68 lb/dall year001
Ethylbenzenemonthly average≤ .78 lb/dall year001
Ethylbenzenedaily maximum≤ 1.81 lb/dall year001
Ethylbenzenedaily maximum≤ 2.08 lb/dall year001
Fluoranthenemonthly average≤ .11 lb/dall year001
Fluoranthenemonthly average≤ .12 lb/dall year001
Fluoranthenedaily maximum≤ .26 lb/dall year001
Fluoranthenedaily maximum≤ .3 lb/dall year001
Fluorenemonthly average≤ .09 lb/dall year001
Fluorenemonthly average≤ .1 lb/dall year001
Fluorenedaily maximum≤ .22 lb/dall year001
Fluorenedaily maximum≤ .26 lb/dall year001
Hexachlorobutadienemonthly average≤ .68 lb/dall year001
Hexachlorobutadienemonthly average≤ .78 lb/dall year001
Hexachlorobutadienedaily maximum≤ 1.81 lb/dall year001
Hexachlorobutadienedaily maximum≤ 2.08 lb/dall year001
Hexachloroethanemonthly average≤ .93 lb/dall year001
Hexachloroethanemonthly average≤ 1.07 lb/dall year001
Hexachloroethanedaily maximum≤ 3.78 lb/dall year001
Hexachloroethanedaily maximum≤ 4.35 lb/dall year001
Methyl chloride [Chloromethane]monthly average≤ .52 lb/dall year001
Methyl chloride [Chloromethane]monthly average≤ .6 lb/dall year001
Methyl chloride [Chloromethane]daily maximum≤ 1.4 lb/dall year001
Methyl chloride [Chloromethane]daily maximum≤ 1.62 lb/dall year001
Methylene chloridemonthly average≤ .17 lb/dall year001
Methylene chloridemonthly average≤ .2 lb/dall year001
Methylene chloridedaily maximum≤ .81 lb/dall year001
Methylene chloridedaily maximum≤ .93 lb/dall year001
Nitrobenzenemonthly average≤ 10.64 lb/dall year001
Nitrobenzenemonthly average≤ 12.26 lb/dall year001
Nitrobenzenedaily maximum≤ 30.46 lb/dall year001
Nitrobenzenedaily maximum≤ 35.1 lb/dall year001
Phenanthrenemonthly average≤ .09 lb/dall year001
Phenanthrenemonthly average≤ .1 lb/dall year001
Phenanthrenedaily maximum≤ .22 lb/dall year001
Phenanthrenedaily maximum≤ .26 lb/dall year001
Pyrenemonthly average≤ .1 lb/dall year001
Pyrenemonthly average≤ .11 lb/dall year001
Pyrenedaily maximum≤ .23 lb/dall year001
Pyrenedaily maximum≤ .26 lb/dall year001
Tetrachloroethylenemonthly average≤ .25 lb/dall year001
Tetrachloroethylenemonthly average≤ .29 lb/dall year001
Tetrachloroethylenedaily maximum≤ .78 lb/dall year001
Tetrachloroethylenedaily maximum≤ .9 lb/dall year001
1,1-Dichloroethanemonthly average≤ .1 lb/dall year001
1,1-Dichloroethanemonthly average≤ .12 lb/dall year001
1,1-Dichloroethanedaily maximum≤ .28 lb/dall year001
1,1-Dichloroethanedaily maximum≤ .32 lb/dall year001
1,1-Dichloroethylenemonthly average≤ .1 lb/dall year001
1,1-Dichloroethylenemonthly average≤ .12 lb/dall year001
1,1-Dichloroethylenedaily maximum≤ .29 lb/dall year001
1,1-Dichloroethylenedaily maximum≤ .33 lb/dall year001
1,1,1-Trichloroethanemonthly average≤ .1 lb/dall year001
1,1,1-Trichloroethanedaily maximum≤ .28 lb/dall year001
1,1,2-Trichloroethanemonthly average≤ .15 lb/dall year001
1,1,2-Trichloroethanemonthly average≤ .18 lb/dall year001
1,1,2-Trichloroethanedaily maximum≤ .6 lb/dall year001
1,1,2-Trichloroethanedaily maximum≤ .7 lb/dall year001
Benzo[a]anthracenemonthly average≤ .09 lb/dall year001
Benzo[a]anthracenemonthly average≤ .1 lb/dall year001
Benzo[a]anthracenedaily maximum≤ .22 lb/dall year001
Benzo[a]anthracenedaily maximum≤ .26 lb/dall year001
1,2-Dichlorobenzenemonthly average≤ .93 lb/dall year001
1,2-Dichlorobenzenemonthly average≤ 1.07 lb/dall year001
1,2-Dichlorobenzenedaily maximum≤ 3.78 lb/dall year001
1,2-Dichlorobenzenedaily maximum≤ 4.35 lb/dall year001
1,2-Dichloropropanemonthly average≤ .93 lb/dall year001
1,2-Dichloropropanemonthly average≤ 1.07 lb/dall year001
1,2-Dichloropropanedaily maximum≤ 3.78 lb/dall year001
1,2-Dichloropropanedaily maximum≤ 4.35 lb/dall year001
trans-1,2-Dichloroethylenemonthly average≤ .12 lb/dall year001
trans-1,2-Dichloroethylenemonthly average≤ .14 lb/dall year001
trans-1,2-Dichloroethylenedaily maximum≤ .31 lb/dall year001
trans-1,2-Dichloroethylenedaily maximum≤ .36 lb/dall year001
1,2,4-Trichlorobenzenemonthly average≤ .93 lb/dall year001
1,2,4-Trichlorobenzenemonthly average≤ 1.07 lb/dall year001
1,2,4-Trichlorobenzenedaily maximum≤ 3.78 lb/dall year001
1,2,4-Trichlorobenzenedaily maximum≤ 4.35 lb/dall year001
1,3-Dichlorobenzenemonthly average≤ .68 lb/dall year001
1,3-Dichlorobenzenemonthly average≤ .78 lb/dall year001
1,3-Dichlorobenzenedaily maximum≤ 1.81 lb/dall year001
1,3-Dichlorobenzenedaily maximum≤ 2.08 lb/dall year001
1,4-Dichlorobenzenemonthly average≤ .68 lb/dall year001
1,4-Dichlorobenzenemonthly average≤ .78 lb/dall year001
1,4-Dichlorobenzenedaily maximum≤ 1.81 lb/dall year001
1,4-Dichlorobenzenedaily maximum≤ 2.08 lb/dall year001
2-Nitrophenolmonthly average≤ .31 lb/dall year001
2-Nitrophenolmonthly average≤ .36 lb/dall year001
2-Nitrophenoldaily maximum≤ 1.1 lb/dall year001
2-Nitrophenoldaily maximum≤ 1.27 lb/dall year001
2,4-Dimethylphenolmonthly average≤ .09 lb/dall year001
2,4-Dimethylphenolmonthly average≤ .1 lb/dall year001
2,4-Dimethylphenoldaily maximum≤ .22 lb/dall year001
2,4-Dimethylphenoldaily maximum≤ .26 lb/dall year001
2,4-Dinitrophenolmonthly average≤ 5.74 lb/dall year001
2,4-Dinitrophenolmonthly average≤ 6.62 lb/dall year001
2,4-Dinitrophenoldaily maximum≤ 20.41 lb/dall year001
2,4-Dinitrophenoldaily maximum≤ 25.53 lb/dall year001
4-Nitrophenolmonthly average≤ .77 lb/dall year001
4-Nitrophenolmonthly average≤ .89 lb/dall year001
4-Nitrophenoldaily maximum≤ 2.74 lb/dall year001
4-Nitrophenoldaily maximum≤ 3.16 lb/dall year001
4,6-Dinitro-o-cresolmonthly average≤ .37 lb/dall year001
4,6-Dinitro-o-cresolmonthly average≤ .43 lb/dall year001
4,6-Dinitro-o-cresoldaily maximum≤ 1.32 lb/dall year001
4,6-Dinitro-o-cresoldaily maximum≤ 1.52 lb/dall year001
Phenolmonthly average≤ .09 lb/dall year001
Phenolmonthly average≤ .1 lb/dall year001
Phenoldaily maximum≤ .22 lb/dall year001
Phenoldaily maximum≤ .26 lb/dall year001
Naphthalenemonthly average≤ .09 lb/dall year001
Naphthalenemonthly average≤ .1 lb/dall year001
Naphthalenedaily maximum≤ .22 lb/dall year001
Naphthalenedaily maximum≤ .26 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .45 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .52 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 1.23 lb/dall year001
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 1.41 lb/dall year001
Di-n-butyl phthalatemonthly average≤ .1 lb/dall year001
Di-n-butyl phthalatemonthly average≤ .11 lb/dall year001
Di-n-butyl phthalatedaily maximum≤ .2 lb/dall year001
Di-n-butyl phthalatedaily maximum≤ .24 lb/dall year001
Vinyl chloridemonthly average≤ .46 lb/dall year001
Vinyl chloridemonthly average≤ .53 lb/dall year001
Vinyl chloridedaily maximum≤ .82 lb/dall year001
Vinyl chloridedaily maximum≤ .94 lb/dall year001
Trichloroethylenemonthly average≤ .12 lb/dall year001
Trichloroethylenemonthly average≤ .14 lb/dall year001
Trichloroethylenedaily maximum≤ .33 lb/dall year001
Trichloroethylenedaily maximum≤ .38 lb/dall year001
Hexachlorobenzenemonthly average≤ .62 lb/dall year001
Hexachlorobenzenemonthly average≤ .62 lb/dall year001
Hexachlorobenzenedaily maximum≤ 1.47 lb/dall year001
Hexachlorobenzenedaily maximum≤ 1.47 lb/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
1,3-Dichloropropylenemonthly average≤ .93 lb/dall year001
1,3-Dichloropropylenemonthly average≤ 1.07 lb/dall year001
1,3-Dichloropropylenedaily maximum≤ 3.78 lb/dall year001
1,3-Dichloropropylenedaily maximum≤ 4.35 lb/dall year001
Alpha, gross particle activitymonthly averagereport only (pCi/mL)all year001
Alpha, gross particle activitydaily maximumreport only (pCi/mL)all year001
pH range excursions, > 60 minutesmonthly total≤ 0 occur/moall year001
pH range excursions, monthly total accummonthly total≤ 446 minall year001
Chloroethanemonthly average≤ .52 lb/dall year001
Chloroethanemonthly average≤ .6 lb/dall year001
Chloroethanedaily maximum≤ 1.4 lb/dall year001
Chloroethanedaily maximum≤ 1.62 lb/dall year001
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexmonthly average minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (pass=0;fail=1)all year001
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all year001
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all year001
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexmonthly average minimumreport only (%)all year001
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimumreport only (%)all year001
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasmonthly average minimumreport only (%)all year001
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute D. pulexmaximumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute Pimephales promelasmaximumreport only (%)all year001
pHinstantaneous minimumreport only (SU)all year002
pHinstantaneous maximumreport only (SU)all year002
Solids, total suspendedmonthly average≤ 5082 lb/dall year002
Solids, total suspendeddaily maximum≤ 10548 lb/dall year002
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year002
Magnesium, total [as Mg]monthly averagereport only (lb/d)all year002
Magnesium, total [as Mg]daily maximumreport only (lb/d)all year002
Fluoride, total [as F]monthly average≤ 1534.25 lb/dall year002
Fluoride, total [as F]daily maximum≤ 3260.27 lb/dall year002
Iron, total [as Fe]monthly averagereport only (lb/d)all year002
Iron, total [as Fe]daily maximumreport only (lb/d)all year002
Nickel, total [as Ni]monthly average≤ 5.75 lb/dall year002
Nickel, total [as Ni]daily maximum≤ 19.18 lb/dall year002
Zinc, total [as Zn]monthly average≤ 21.1 lb/dall year002
Zinc, total [as Zn]daily maximum≤ 69.04 lb/dall year002
Radium 226, totalmonthly average≤ .4 pCi/mLall year002
Radium 226, totaldaily maximum≤ .5 pCi/mLall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Alpha, gross particle activitymonthly averagereport only (pCi/mL)all year002
Alpha, gross particle activitydaily maximumreport only (pCi/mL)all year002
pH range excursions, > 60 minutesmonthly total≤ 0 occur/moall year002
pH range excursions, monthly total accummonthly total≤ 446 minall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year003
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year004
Oil and greasedaily maximum≤ 15 mg/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year005
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year005
Solids, total suspendedmonthly average≤ 30 mg/Lall year005
Solids, total suspendeddaily maximum≤ 45 mg/Lall year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year005
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year005
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year005
pHinstantaneous minimum≥ 6 SUall year006
pHinstantaneous maximum≤ 9 SUall year006
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year006
Oil and greasedaily maximum≤ 15 mg/Lall year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
pHinstantaneous minimum≥ 6 SUall year007
pHinstantaneous maximum≤ 9 SUall year007
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year007
Oil and greasedaily maximum≤ 15 mg/Lall year007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Oil & Greasedaily maximum≤ 15 mg/Lall year008
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year008
Fluoride, total [as F]monthly averagereport only (mg/L)all year008
Fluoride, total [as F]daily maximumreport only (mg/L)all year008
Radium 226, totaldaily maximumreport only (pCi/mL)all year008
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year008
Alpha, gross particle activitymonthly averagereport only (pCi/mL)all year008
Alpha, gross particle activitydaily maximumreport only (pCi/mL)all year008
Cycles Of Concentrationminimum≥ 3 call yearCT0
Cycles Of Concentrationminimum≥ 3 call yearCT0
Cycles Of Concentrationminimum≥ 3 call yearCT0
Cycles Of Concentrationminimum≥ 3 call yearCT0
Cycles Of Concentrationminimum≥ 3 call yearCT0

How strict are these limits?

Cited limits by parameter: Louisiana's rules and the federal ones.

Same industry: the 130 Chemicals and Allied Products permits in Louisiana.

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