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Firmenich Inc

Industrial Organic Chemicals, major discharger, Plainsboro, New Jersey. NPDES permit NJ0031445, in force until Mar 31, 2030. Last 12 months: over a limit 5 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 27 days after each period: form A monthly (282 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 8 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimitOver by
November 2025Oil & Grease, monthly average< 1.49 kg/d≤ 1.36 kg/d10%
June 2026Nitrogen, organic total [as N], monthly average2.21 kg/d≤ 2.04 kg/d8%
July 2026BOD, carbonaceous [5 day, 20 C], daily maximum6.4 kg/d≤ 5.44 kg/d18%
September 2026Nitrogen, ammonia total [as N], daily maximum1.95 kg/d≤ 1.02 kg/d91%
September 2026Solids, total suspended, daily maximum8.57 kg/d≤ 6.14 kg/d40%

Limits in force (282)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly averagereport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]minimum weekly averagereport only (ug/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 4.08 kg/dall year
Solids, total suspendeddaily maximum≤ 6.14 kg/dall year
Oil & Greasemonthly average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Greasemonthly average≤ 1.36 kg/dall year
Oil & Greasedaily maximum≤ 2.05 kg/dall year
Nitrogen, organic total [as N]monthly average≤ 15 mg/Lall year
Nitrogen, organic total [as N]daily maximum≤ 22.5 mg/Lall year
Nitrogen, organic total [as N]monthly average≤ 2.04 kg/dall year
Nitrogen, organic total [as N]daily maximum≤ 3.07 kg/dall year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ .68 kg/dall year
Nitrogen, ammonia total [as N]daily maximum≤ 1.02 kg/dall year
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrate total [as N]monthly averagereport only (kg/d)all year
Nitrogen, nitrate total [as N]daily maximumreport only (kg/d)all year
Phosphorus, total [as P]monthly average≤ .67 mg/Lall year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ .127 kg/dall year
Phosphorus, total [as P]daily maximumreport only (kg/d)all year
Arsenic, total recoverablemonthly averagereport only (ug/L)all year
Arsenic, total recoverabledaily maximumreport only (ug/L)all year
Arsenic, total recoverablemonthly averagereport only (kg/d)all year
Arsenic, total recoverabledaily maximumreport only (kg/d)all year
Zinc, total recoverablemonthly averagereport only (ug/L)all year
Zinc, total recoverabledaily maximumreport only (ug/L)all year
Zinc, total recoverablemonthly average≤ .0379 kg/dall year
Zinc, total recoverabledaily maximum≤ .0757 kg/dall year
Copper, total recoverablemonthly averagereport only (ug/L)all year
Copper, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverablemonthly average≤ .0303 kg/dall year
Copper, total recoverabledaily maximum≤ .0606 kg/dall year
Carbon tetrachloridemonthly averagereport only (ug/L)all year
Carbon tetrachloridedaily maximumreport only (ug/L)all year
Carbon tetrachloridemonthly average≤ .0033 kg/dall year
Carbon tetrachloridedaily maximum≤ .0069 kg/dall year
1,2-Dichloroethanemonthly averagereport only (ug/L)all year
1,2-Dichloroethanedaily maximumreport only (ug/L)all year
1,2-Dichloroethanemonthly average≤ .0124 kg/dall year
1,2-Dichloroethanedaily maximum≤ .0383 kg/dall year
Chloroformmonthly averagereport only (ug/L)all year
Chloroformdaily maximumreport only (ug/L)all year
Chloroformmonthly average≤ .0038 kg/dall year
Chloroformdaily maximum≤ .0084 kg/dall year
Toluenemonthly averagereport only (ug/L)all year
Toluenedaily maximumreport only (ug/L)all year
Toluenemonthly average≤ .0047 kg/dall year
Toluenedaily maximum≤ .0145 kg/dall year
Benzenemonthly averagereport only (ug/L)all year
Benzenedaily maximumreport only (ug/L)all year
Benzenemonthly average≤ .0067 kg/dall year
Benzenedaily maximum≤ .0247 kg/dall year
Acenaphthylenemonthly averagereport only (ug/L)all year
Acenaphthylenedaily maximumreport only (ug/L)all year
Acenaphthylenemonthly average≤ .004 kg/dall year
Acenaphthylenedaily maximum≤ .0107 kg/dall year
Acenaphthenemonthly averagereport only (ug/L)all year
Acenaphthenedaily maximumreport only (ug/L)all year
Acenaphthenemonthly average≤ .004 kg/dall year
Acenaphthenedaily maximum≤ .0107 kg/dall year
Acrylonitrilemonthly averagereport only (ug/L)all year
Acrylonitriledaily maximumreport only (ug/L)all year
Acrylonitrilemonthly average≤ .0174 kg/dall year
Acrylonitriledaily maximum≤ .044 kg/dall year
Anthracenemonthly averagereport only (ug/L)all year
Anthracenedaily maximumreport only (ug/L)all year
Anthracenemonthly average≤ .004 kg/dall year
Anthracenedaily maximum≤ .0107 kg/dall year
Benzo[k]fluoranthenemonthly averagereport only (ug/L)all year
Benzo[k]fluoranthenedaily maximumreport only (ug/L)all year
Benzo[k]fluoranthenemonthly average≤ .004 kg/dall year
Benzo[k]fluoranthenedaily maximum≤ .0107 kg/dall year
Benzo[a]pyrenemonthly averagereport only (ug/L)all year
Benzo[a]pyrenedaily maximumreport only (ug/L)all year
Benzo[a]pyrenemonthly average≤ .0042 kg/dall year
Benzo[a]pyrenedaily maximum≤ .0111 kg/dall year
Chlorobenzenemonthly averagereport only (ug/L)all year
Chlorobenzenedaily maximumreport only (ug/L)all year
Chlorobenzenemonthly average≤ .0027 kg/dall year
Chlorobenzenedaily maximum≤ .0051 kg/dall year
Chrysenemonthly averagereport only (ug/L)all year
Chrysenedaily maximumreport only (ug/L)all year
Chrysenemonthly average≤ .004 kg/dall year
Chrysenedaily maximum≤ .0107 kg/dall year
Diethyl phthalatemonthly averagereport only (ug/L)all year
Diethyl phthalatedaily maximumreport only (ug/L)all year
Diethyl phthalatemonthly average≤ .0147 kg/dall year
Diethyl phthalatedaily maximum≤ .0369 kg/dall year
Dimethyl phthalatemonthly averagereport only (ug/L)all year
Dimethyl phthalatedaily maximumreport only (ug/L)all year
Dimethyl phthalatemonthly average≤ .0035 kg/dall year
Dimethyl phthalatedaily maximum≤ .0085 kg/dall year
Ethylbenzenemonthly averagereport only (ug/L)all year
Ethylbenzenedaily maximumreport only (ug/L)all year
Ethylbenzenemonthly average≤ .0058 kg/dall year
Ethylbenzenedaily maximum≤ .0196 kg/dall year
Fluoranthenemonthly averagereport only (ug/L)all year
Fluoranthenedaily maximumreport only (ug/L)all year
Fluoranthenemonthly average≤ .0045 kg/dall year
Fluoranthenedaily maximum≤ .0124 kg/dall year
Fluorenemonthly averagereport only (ug/L)all year
Fluorenedaily maximumreport only (ug/L)all year
Fluorenemonthly average≤ .004 kg/dall year
Fluorenedaily maximum≤ .0107 kg/dall year
Hexachloroethanemonthly averagereport only (ug/L)all year
Hexachloroethanedaily maximumreport only (ug/L)all year
Hexachloroethanemonthly average≤ .0038 kg/dall year
Hexachloroethanedaily maximum≤ .0098 kg/dall year
Methyl chloride [Chloromethane]monthly averagereport only (ug/L)all year
Methyl chloride [Chloromethane]daily maximumreport only (ug/L)all year
Methyl chloride [Chloromethane]monthly average≤ .0156 kg/dall year
Methyl chloride [Chloromethane]daily maximum≤ .0345 kg/dall year
Methylene chloridemonthly averagereport only (ug/L)all year
Methylene chloridedaily maximumreport only (ug/L)all year
Methylene chloridemonthly average≤ .0073 kg/dall year
Methylene chloridedaily maximum≤ .0162 kg/dall year
Nitrobenzenemonthly averagereport only (ug/L)all year
Nitrobenzenedaily maximumreport only (ug/L)all year
Nitrobenzenemonthly average≤ .0049 kg/dall year
Nitrobenzenedaily maximum≤ .0124 kg/dall year
Phenanthrenemonthly averagereport only (ug/L)all year
Phenanthrenedaily maximumreport only (ug/L)all year
Phenanthrenemonthly average≤ .004 kg/dall year
Phenanthrenedaily maximum≤ .0107 kg/dall year
Pyrenemonthly averagereport only (ug/L)all year
Pyrenedaily maximumreport only (ug/L)all year
Pyrenemonthly average≤ .0045 kg/dall year
Pyrenedaily maximum≤ .0122 kg/dall year
Tetrachloroethylenemonthly averagereport only (ug/L)all year
Tetrachloroethylenedaily maximumreport only (ug/L)all year
Tetrachloroethylenemonthly average≤ .004 kg/dall year
Tetrachloroethylenedaily maximum≤ .0102 kg/dall year
1,1-Dichloroethanemonthly averagereport only (ug/L)all year
1,1-Dichloroethanedaily maximumreport only (ug/L)all year
1,1-Dichloroethanemonthly average≤ .004 kg/dall year
1,1-Dichloroethanedaily maximum≤ .0107 kg/dall year
1,1-Dichloroethylenemonthly averagereport only (ug/L)all year
1,1-Dichloroethylenedaily maximumreport only (ug/L)all year
1,1-Dichloroethylenemonthly average≤ .0029 kg/dall year
1,1-Dichloroethylenedaily maximum≤ .0045 kg/dall year
1,1,1-Trichloroethanemonthly averagereport only (ug/L)all year
1,1,1-Trichloroethanedaily maximumreport only (ug/L)all year
1,1,1-Trichloroethanemonthly average≤ .0038 kg/dall year
1,1,1-Trichloroethanedaily maximum≤ .0098 kg/dall year
1,1,2-Trichloroethanemonthly averagereport only (ug/L)all year
1,1,2-Trichloroethanedaily maximumreport only (ug/L)all year
1,1,2-Trichloroethanemonthly average≤ .0038 kg/dall year
1,1,2-Trichloroethanedaily maximum≤ .0098 kg/dall year
Benzo[a]anthracenemonthly averagereport only (ug/L)all year
Benzo[a]anthracenedaily maximumreport only (ug/L)all year
Benzo[a]anthracenemonthly average≤ .004 kg/dall year
Benzo[a]anthracenedaily maximum≤ .0107 kg/dall year
1,2-Dichlorobenzenemonthly averagereport only (ug/L)all year
1,2-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,2-Dichlorobenzenemonthly average≤ .014 kg/dall year
1,2-Dichlorobenzenedaily maximum≤ .0296 kg/dall year
1,2-Dichloropropanemonthly averagereport only (ug/L)all year
1,2-Dichloropropanedaily maximumreport only (ug/L)all year
1,2-Dichloropropanemonthly average≤ .0278 kg/dall year
1,2-Dichloropropanedaily maximum≤ .0418 kg/dall year
trans-1,2-Dichloroethylenemonthly averagereport only (ug/L)all year
trans-1,2-Dichloroethylenedaily maximumreport only (ug/L)all year
trans-1,2-Dichloroethylenemonthly average≤ .0038 kg/dall year
trans-1,2-Dichloroethylenedaily maximum≤ .0098 kg/dall year
1,2,4-Trichlorobenzenemonthly averagereport only (ug/L)all year
1,2,4-Trichlorobenzenedaily maximumreport only (ug/L)all year
1,2,4-Trichlorobenzenemonthly average≤ .0124 kg/dall year
1,2,4-Trichlorobenzenedaily maximum≤ .0254 kg/dall year
1,3-Dichlorobenzenemonthly averagereport only (ug/L)all year
1,3-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,3-Dichlorobenzenemonthly average≤ .0056 kg/dall year
1,3-Dichlorobenzenedaily maximum≤ .008 kg/dall year
1,4-Dichlorobenzenemonthly averagereport only (ug/L)all year
1,4-Dichlorobenzenedaily maximumreport only (ug/L)all year
1,4-Dichlorobenzenemonthly average≤ .0027 kg/dall year
1,4-Dichlorobenzenedaily maximum≤ .0051 kg/dall year
2-Chlorophenolmonthly averagereport only (ug/L)all year
2-Chlorophenoldaily maximumreport only (ug/L)all year
2-Chlorophenolmonthly average≤ .0056 kg/dall year
2-Chlorophenoldaily maximum≤ .0178 kg/dall year
2-Nitrophenolmonthly averagereport only (ug/L)all year
2-Nitrophenoldaily maximumreport only (ug/L)all year
2-Nitrophenolmonthly average≤ .0074 kg/dall year
2-Nitrophenoldaily maximum≤ .0125 kg/dall year
2,4-Dichlorophenolmonthly averagereport only (ug/L)all year
2,4-Dichlorophenoldaily maximumreport only (ug/L)all year
2,4-Dichlorophenolmonthly average≤ .0071 kg/dall year
2,4-Dichlorophenoldaily maximum≤ .0203 kg/dall year
2,4-Dimethylphenolmonthly averagereport only (ug/L)all year
2,4-Dimethylphenoldaily maximumreport only (ug/L)all year
2,4-Dimethylphenolmonthly average≤ .0033 kg/dall year
2,4-Dimethylphenoldaily maximum≤ .0065 kg/dall year
2,4-Dinitrotoluenemonthly averagereport only (ug/L)all year
2,4-Dinitrotoluenedaily maximumreport only (ug/L)all year
2,4-Dinitrotoluenemonthly average≤ .0205 kg/dall year
2,4-Dinitrotoluenedaily maximum≤ .0518 kg/dall year
2,4-Dinitrophenolmonthly averagereport only (ug/L)all year
2,4-Dinitrophenoldaily maximumreport only (ug/L)all year
2,4-Dinitrophenolmonthly average≤ .0129 kg/dall year
2,4-Dinitrophenoldaily maximum≤ .0223 kg/dall year
2,6-Dinitrotoluenemonthly averagereport only (ug/L)all year
2,6-Dinitrotoluenedaily maximumreport only (ug/L)all year
2,6-Dinitrotoluenemonthly average≤ .0463 kg/dall year
2,6-Dinitrotoluenedaily maximum≤ .1165 kg/dall year
4-Nitrophenolmonthly averagereport only (ug/L)all year
4-Nitrophenoldaily maximumreport only (ug/L)all year
4-Nitrophenolmonthly average≤ .0131 kg/dall year
4-Nitrophenoldaily maximum≤ .0225 kg/dall year
4,6-Dinitro-o-cresolmonthly averagereport only (ug/L)all year
4,6-Dinitro-o-cresoldaily maximumreport only (ug/L)all year
4,6-Dinitro-o-cresolmonthly average≤ .0142 kg/dall year
4,6-Dinitro-o-cresoldaily maximum≤ .0503 kg/dall year
Phenolmonthly averagereport only (ug/L)all year
Phenoldaily maximumreport only (ug/L)all year
Phenolmonthly average≤ .0027 kg/dall year
Phenoldaily maximum≤ .0047 kg/dall year
Naphthalenemonthly averagereport only (ug/L)all year
Naphthalenedaily maximumreport only (ug/L)all year
Naphthalenemonthly average≤ .004 kg/dall year
Naphthalenedaily maximum≤ .0107 kg/dall year
Di[2-ethylhexyl] phthalate [DEHP]monthly averagereport only (ug/L)all year
Di[2-ethylhexyl] phthalate [DEHP]daily maximumreport only (ug/L)all year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .0187 kg/dall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .0507 kg/dall year
Di-n-butyl phthalatemonthly averagereport only (ug/L)all year
Di-n-butyl phthalatedaily maximumreport only (ug/L)all year
Di-n-butyl phthalatemonthly average≤ .0049 kg/dall year
Di-n-butyl phthalatedaily maximum≤ .0104 kg/dall year
Vinyl chloridemonthly averagereport only (ug/L)all year
Vinyl chloridedaily maximumreport only (ug/L)all year
Vinyl chloridemonthly average≤ .0189 kg/dall year
Vinyl chloridedaily maximum≤ .0487 kg/dall year
Trichloroethylenemonthly averagereport only (ug/L)all year
Trichloroethylenedaily maximumreport only (ug/L)all year
Trichloroethylenemonthly average≤ .0038 kg/dall year
Trichloroethylenedaily maximum≤ .0098 kg/dall year
Hexachlorobenzenemonthly averagereport only (ug/L)all year
Hexachlorobenzenedaily maximumreport only (ug/L)all year
Hexachlorobenzenemonthly average≤ .0027 kg/dall year
Hexachlorobenzenedaily maximum≤ .0051 kg/dall year
Hexachlorobutadienemonthly averagereport only (ug/L)all year
Hexachlorobutadienedaily maximumreport only (ug/L)all year
Hexachlorobutadienemonthly average≤ .0036 kg/dall year
Hexachlorobutadienedaily maximum≤ .0089 kg/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. colimonthly geometric mean≤ 126 #/100mLall year
E. coliinstantaneous maximumreport only (#/100mL)all year
Solids, total dissolvedmonthly averagereport only (mg/L)all year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Solids, total dissolvedmonthly averagereport only (kg/d)all year
Solids, total dissolveddaily maximumreport only (kg/d)all year
1,3-Dichloropropenemonthly averagereport only (ug/L)all year
1,3-Dichloropropenedaily maximumreport only (ug/L)all year
1,3-Dichloropropenemonthly average≤ .0053 kg/dall year
1,3-Dichloropropenedaily maximum≤ .008 kg/dall year
3,4-Benzofluoranthenemonthly averagereport only (ug/L)all year
3,4-Benzofluoranthenedaily maximumreport only (ug/L)all year
3,4-Benzofluoranthenemonthly average≤ .0042 kg/dall year
3,4-Benzofluoranthenedaily maximum≤ .0111 kg/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3.4 kg/dall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5.44 kg/dall year
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all year
Chemical Oxygen Demand [COD]daily maximum≤ 1360 mg/Lall year
Chemical Oxygen Demand [COD]monthly averagereport only (kg/d)all year
Chemical Oxygen Demand [COD]daily maximumreport only (kg/d)all year
Chloroethanemonthly averagereport only (ug/L)all year
Chloroethanedaily maximumreport only (ug/L)all year
Chloroethanemonthly average≤ .0189 kg/dall year
Chloroethanedaily maximum≤ .0487 kg/dall year
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimumreport only (%)all year

How strict are these limits?

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

Same industry: the 20 Chemicals and Allied Products permits in New Jersey.

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