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Exxonmobil Technology & Engineering Co

Commercial Physical Research, Clinton Twp, New Jersey. NPDES permit NJ0035084, in force until Mar 31, 2029. Last 12 months: over a limit once (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 26 days after each period: form A monthly (105 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
July 2026Flow, in conduit or thru treatment plant, daily maximum.994 MGD≤ .11 MGD804%

Limits in force (199)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly averagereport only (deg C)all year
Temperature, water deg. centigradedaily maximum≤ 30 deg Call year
Oxygen, dissolved [DO]instantaneous minimum≥ 7 mg/Lall year
Oxygen, dissolved [DO]monthly average minimumreport only (mg/L)all year
pHinstantaneous minimum≥ 6.5 SUall year
pHinstantaneous maximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 5 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total suspendedmonthly average≤ 5 mg/LMay–Sep
Solids, total suspendeddaily maximum≤ 10 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total suspendeddaily maximum≤ 10 mg/LMay–Sep
Solids, total suspendedmonthly average≤ 4.2 kg/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total suspendedmonthly average≤ 2.1 kg/dMay–Sep
Solids, total suspendeddaily maximum≤ 8.3 kg/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total suspendeddaily maximum≤ 4.2 kg/dMay–Sep
Oil & Greasemonthly average≤ 10 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Oil & Greasemonthly average≤ 10 mg/LMay–Sep
Oil & Greasedaily maximum≤ 15 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Oil & Greasedaily maximum≤ 15 mg/LMay–Sep
Oil & Greasemonthly average≤ 8.3 kg/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Oil & Greasemonthly average≤ 4.2 kg/dMay–Sep
Oil & Greasedaily maximum≤ 12.5 kg/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Oil & Greasedaily maximum≤ 6.2 kg/dMay–Sep
Nitrogen, Kjeldahl, total [as N]monthly average≤ 5 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 2 mg/LMay–Sep
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)May–Sep
Nitrogen, Kjeldahl, total [as N]monthly average≤ 4.2 kg/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ .83 kg/dMay–Sep
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (kg/d)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (kg/d)May–Sep
Phosphorus, total [as P]monthly average≤ .48 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Phosphorus, total [as P]monthly average≤ .34 mg/LMay–Sep
Phosphorus, total [as P]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Phosphorus, total [as P]daily maximumreport only (mg/L)May–Sep
Phosphorus, total [as P]monthly averagereport only (kg/d)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Phosphorus, total [as P]monthly averagereport only (kg/d)May–Sep
Phosphorus, total [as P]daily maximumreport only (kg/d)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Phosphorus, total [as P]daily maximumreport only (kg/d)May–Sep
Carbon, tot organic [TOC]monthly average≤ 10 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Carbon, tot organic [TOC]monthly average≤ 10 mg/LMay–Sep
Carbon, tot organic [TOC]daily maximum≤ 20 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Carbon, tot organic [TOC]daily maximum≤ 20 mg/LMay–Sep
Carbon, tot organic [TOC]monthly average≤ 8.3 kg/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Carbon, tot organic [TOC]monthly average≤ 4.2 kg/dMay–Sep
Carbon, tot organic [TOC]daily maximum≤ 16.7 kg/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Carbon, tot organic [TOC]daily maximum≤ 8.3 kg/dMay–Sep
Arsenic, total recoverablemonthly average≤ 100 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Arsenic, total recoverablemonthly average≤ 100 ug/LMay–Sep
Arsenic, total recoverabledaily maximum≤ 200 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Arsenic, total recoverabledaily maximum≤ 200 ug/LMay–Sep
Arsenic, total recoverablemonthly average≤ 83.3 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Arsenic, total recoverablemonthly average≤ 41.6 g/dMay–Sep
Arsenic, total recoverabledaily maximum≤ 166.5 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Arsenic, total recoverabledaily maximum≤ 83.3 g/dMay–Sep
Selenium, total recoverablemonthly average≤ 18 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Selenium, total recoverablemonthly average≤ 18 ug/LMay–Sep
Selenium, total recoverabledaily maximum≤ 36 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Selenium, total recoverabledaily maximum≤ 36 ug/LMay–Sep
Selenium, total recoverablemonthly average≤ 15 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Selenium, total recoverablemonthly average≤ 7.5 g/dMay–Sep
Selenium, total recoverabledaily maximum≤ 30 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Selenium, total recoverabledaily maximum≤ 15 g/dMay–Sep
Barium, total recoverablemonthly average≤ 2000 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Barium, total recoverablemonthly average≤ 2000 ug/LMay–Sep
Barium, total recoverabledaily maximum≤ 4000 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Barium, total recoverabledaily maximum≤ 4000 ug/LMay–Sep
Barium, total recoverablemonthly average≤ 1665.4 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Barium, total recoverablemonthly average≤ 832.7 g/dMay–Sep
Barium, total recoverabledaily maximum≤ 3330.8 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Barium, total recoverabledaily maximum≤ 1665.4 g/dMay–Sep
Nickel, total recoverablemonthly average≤ 210 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Nickel, total recoverablemonthly average≤ 210 ug/LMay–Sep
Nickel, total recoverabledaily maximum≤ 420 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Nickel, total recoverabledaily maximum≤ 420 ug/LMay–Sep
Nickel, total recoverablemonthly average≤ 174.9 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Nickel, total recoverablemonthly average≤ 87.4 g/dMay–Sep
Nickel, total recoverabledaily maximum≤ 349.7 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Nickel, total recoverabledaily maximum≤ 174.9 g/dMay–Sep
Silver total recoverablemonthly average≤ 100 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Silver total recoverablemonthly average≤ 100 ug/LMay–Sep
Silver total recoverabledaily maximum≤ 200 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Silver total recoverabledaily maximum≤ 200 ug/LMay–Sep
Silver total recoverablemonthly average≤ 83.3 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Silver total recoverablemonthly average≤ 41.6 g/dMay–Sep
Silver total recoverabledaily maximum≤ 166.5 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Silver total recoverabledaily maximum≤ 83.3 g/dMay–Sep
Zinc, total recoverablemonthly average≤ 440 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Zinc, total recoverablemonthly average≤ 440 ug/LMay–Sep
Zinc, total recoverabledaily maximum≤ 1000 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Zinc, total recoverabledaily maximum≤ 1000 ug/LMay–Sep
Zinc, total recoverablemonthly average≤ 366.4 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Zinc, total recoverablemonthly average≤ 183.2 g/dMay–Sep
Zinc, total recoverabledaily maximum≤ 832.7 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Zinc, total recoverabledaily maximum≤ 416.4 g/dMay–Sep
Cadmium, total recoverablemonthly average≤ 20 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Cadmium, total recoverablemonthly average≤ 20 ug/LMay–Sep
Cadmium, total recoverabledaily maximum≤ 40 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Cadmium, total recoverabledaily maximum≤ 40 ug/LMay–Sep
Cadmium, total recoverablemonthly average≤ 16.7 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Cadmium, total recoverablemonthly average≤ 8.3 g/dMay–Sep
Cadmium, total recoverabledaily maximum≤ 33.3 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Cadmium, total recoverabledaily maximum≤ 16.7 g/dMay–Sep
Lead, total recoverablemonthly average≤ 50 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Lead, total recoverablemonthly average≤ 50 ug/LMay–Sep
Lead, total recoverabledaily maximum≤ 100 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Lead, total recoverabledaily maximum≤ 100 ug/LMay–Sep
Lead, total recoverablemonthly average≤ 41.6 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Lead, total recoverablemonthly average≤ 20.8 g/dMay–Sep
Lead, total recoverabledaily maximum≤ 83.3 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Lead, total recoverabledaily maximum≤ 41.6 g/dMay–Sep
Copper, total recoverablemonthly average≤ 38 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Copper, total recoverablemonthly average≤ 38 ug/LMay–Sep
Copper, total recoverabledaily maximum≤ 76 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Copper, total recoverabledaily maximum≤ 76 ug/LMay–Sep
Copper, total recoverablemonthly average≤ 31.6 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Copper, total recoverablemonthly average≤ 15.8 g/dMay–Sep
Copper, total recoverabledaily maximum≤ 63.3 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Copper, total recoverabledaily maximum≤ 31.6 g/dMay–Sep
Chromium, hexavalent dissolved [as Cr]monthly average≤ 50 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Chromium, hexavalent dissolved [as Cr]monthly average≤ 50 ug/LMay–Sep
Chromium, hexavalent dissolved [as Cr]daily maximum≤ 100 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Chromium, hexavalent dissolved [as Cr]daily maximum≤ 100 ug/LMay–Sep
Chromium, hexavalent dissolved [as Cr]monthly average≤ 41.6 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Chromium, hexavalent dissolved [as Cr]monthly average≤ 20.8 g/dMay–Sep
Chromium, hexavalent dissolved [as Cr]daily maximum≤ 83.3 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Chromium, hexavalent dissolved [as Cr]daily maximum≤ 41.6 g/dMay–Sep
Chlorine produced oxidantsmonthly averagereport only (mg/L)all year
Chlorine produced oxidantsdaily maximumreport only (mg/L)all year
Chlorine produced oxidantsmonthly averagereport only (kg/d)all year
Chlorine produced oxidantsdaily maximumreport only (kg/d)all year
Chloroformmonthly average≤ 15 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Chloroformmonthly average≤ 15 ug/LMay–Sep
Chloroformdaily maximum≤ 20 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Chloroformdaily maximum≤ 20 ug/LMay–Sep
Chloroformmonthly average≤ 12.5 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Chloroformmonthly average≤ 6.2 g/dMay–Sep
Chloroformdaily maximum≤ 16.7 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Chloroformdaily maximum≤ 8.3 g/dMay–Sep
Toluenemonthly average≤ 100 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Toluenemonthly average≤ 100 ug/LMay–Sep
Toluenedaily maximum≤ 700 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Toluenedaily maximum≤ 700 ug/LMay–Sep
Toluenemonthly average≤ 83.3 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Toluenemonthly average≤ 41.6 g/dMay–Sep
Toluenedaily maximum≤ 582.9 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Toluenedaily maximum≤ 291.4 g/dMay–Sep
Benzenemonthly average≤ 37 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Benzenemonthly average≤ 37 ug/LMay–Sep
Benzenedaily maximum≤ 136 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Benzenedaily maximum≤ 136 ug/LMay–Sep
Benzenemonthly average≤ 30.8 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Benzenemonthly average≤ 15.4 g/dMay–Sep
Benzenedaily maximum≤ 113.4 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Benzenedaily maximum≤ 56.6 g/dMay–Sep
1,1,1-Trichloroethanemonthly average≤ 10 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
1,1,1-Trichloroethanemonthly average≤ 10 ug/LMay–Sep
1,1,1-Trichloroethanedaily maximum≤ 20 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
1,1,1-Trichloroethanedaily maximum≤ 20 ug/LMay–Sep
1,1,1-Trichloroethanemonthly average≤ 8.3 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
1,1,1-Trichloroethanemonthly average≤ 4.2 g/dMay–Sep
1,1,1-Trichloroethanedaily maximum≤ 16.7 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
1,1,1-Trichloroethanedaily maximum≤ 8.3 g/dMay–Sep
Phenolmonthly average≤ 15 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Phenolmonthly average≤ 15 ug/LMay–Sep
Phenoldaily maximum≤ 26 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Phenoldaily maximum≤ 26 ug/LMay–Sep
Phenolmonthly average≤ 12.5 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Phenolmonthly average≤ 6.2 g/dMay–Sep
Phenoldaily maximum≤ 21.7 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Phenoldaily maximum≤ 10.8 g/dMay–Sep
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)May–Sep
Flow, in conduit or thru treatment plantdaily maximum≤ .22 MGDJan, Feb, Mar, Apr, Oct, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximum≤ .11 MGDMay–Sep
Solids, total dissolvedmonthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total dissolvedmonthly averagereport only (mg/L)May–Sep
Solids, total dissolveddaily maximum≤ 900 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total dissolveddaily maximum≤ 900 mg/LMay–Sep
Solids, total dissolvedmonthly averagereport only (kg/d)Jan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total dissolvedmonthly averagereport only (kg/d)May–Sep
Solids, total dissolveddaily maximum≤ 749.4 kg/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Solids, total dissolveddaily maximum≤ 374.7 kg/dMay–Sep
Mercury, total recoverablemonthly average≤ 3 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Mercury, total recoverablemonthly average≤ 3 ug/LMay–Sep
Mercury, total recoverabledaily maximum≤ 6 ug/LJan, Feb, Mar, Apr, Oct, Nov, Dec
Mercury, total recoverabledaily maximum≤ 6 ug/LMay–Sep
Mercury, total recoverablemonthly average≤ 2.5 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Mercury, total recoverablemonthly average≤ 1.2 g/dMay–Sep
Mercury, total recoverabledaily maximum≤ 5 g/dJan, Feb, Mar, Apr, Oct, Nov, Dec
Mercury, total recoverabledaily maximum≤ 2.5 g/dMay–Sep
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LMay–Sep
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40 mg/LMay–Sep
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20.8 kg/dJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10.4 kg/dMay–Sep
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 33.3 kg/dJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 16.7 kg/dMay–Sep
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum≥ 78 %all year

How strict are these limits?

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

Same industry: the 9 Engineering, Accounting, Research and Management Services permits in New Jersey.

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On EPA ECHO: Facility report · DMR history

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