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Educational Testing Service

Business Consulting, Princeton, New Jersey. NPDES permit NJ0022110 expired Jun 30, 2024; its limits still apply. Last 12 months: over a limit once (last November 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 27 days after each period: form A monthly (45 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 8 required values missing, 3 of 12 reports late

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

Period endingParameterReportedLimitOver by
November 2025Solids, total suspended, monthly average minimum> 84.1 %≥ 85 %1%

Limits in force (45)

ParameterStatisticLimitMonths
Temperature, water deg. centigradeinstantaneous minimumreport only (deg C)all year
Temperature, water deg. centigrademonthly averagereport only (deg C)all year
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 5 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 7.5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 1.51 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 2.27 kg/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average minimum≥ 85 %all year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspendedweekly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 6 kg/dall year
Solids, total suspendedweekly average≤ 9 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly averagereport only (mg/L)all year
Solids, total suspendedmonthly average minimum≥ 85 %all year
Oil & Greasemonthly average≤ 10 mg/Lall year
Oil & Greaseinstantaneous maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/Lall year
Nitrogen, ammonia total [as N]weekly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ .3 kg/dall year
Nitrogen, ammonia total [as N]weekly averagereport only (kg/d)all year
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrate total [as N]daily maximum≤ 18.1 mg/Lall year
Nitrogen, nitrate total [as N]monthly averagereport only (kg/d)all year
Nitrogen, nitrate total [as N]daily maximum≤ 5.5 kg/dall year
Phosphorus, total [as P]monthly average≤ .34 mg/Lall year
Phosphorus, total [as P]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (kg/d)all year
Phosphorus, total [as P]weekly averagereport only (kg/d)all year
Copper, total recoverablemonthly average≤ 14.8 ug/Lall year
Copper, total recoverabledaily maximum≤ 25.3 ug/Lall year
Copper, total recoverablemonthly average≤ 4.5 g/dall year
Copper, total recoverabledaily maximum≤ 7.7 g/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
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 average≤ 126 #/100mLall year
E. coliinstantaneous maximumreport only (#/100mL)all year
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum≥ 34 %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

Your permit document is the final word. As JSON: /api/v1/permits/NJ0022110 · MCP: https://passage-data.com/mcp