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Sri International

Commercial Physical Research, West Windsor Twp, New Jersey. NPDES permit NJ0000272 expired Mar 31, 2026; its limits still apply. Last 12 months: over a limit 4 times (last August 2026), 10 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 26 days after each period: form A monthly (37 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
5 values over a limit, 11 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025pH, daily maximum12.3 SU≤ 9 SU—
December 2025Chemical Oxygen Demand [COD], daily maximum62.5 mg/L≤ 50 mg/L25%
February 2026Fluoride, total [as F], daily maximum165000 ug/L≤ 32000 ug/L416%
August 2026Chemical Oxygen Demand [COD], daily maximum56.1 mg/L≤ 50 mg/L12%

Limits in force (74)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly averagereport only (deg C)all year
Temperature, water deg. centigrademonthly averagereport only (deg C)all year
Temperature, water deg. centigradedaily maximum≤ 30 deg Call year
Temperature, water deg. centigradedaily maximum≤ 30 deg Call year
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all year
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all year
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/Lall year
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximum≤ 40 mg/Lall year
Solids, total suspendeddaily maximum≤ 40 mg/Lall year
Oil & Greasemonthly average≤ 10 mg/Lall year
Oil & Greasemonthly average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Phosphorus, total [as P]monthly average≤ .67 mg/Lall 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]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (kg/d)all year
Phosphorus, total [as P]monthly averagereport only (kg/d)all year
Phosphorus, total [as P]daily maximumreport only (kg/d)all year
Phosphorus, total [as P]daily maximumreport only (kg/d)all year
Fluoride, total [as F]monthly average≤ 17400 ug/Lall year
Fluoride, total [as F]monthly average≤ 17400 ug/Lall year
Fluoride, total [as F]daily maximum≤ 32000 ug/Lall year
Fluoride, total [as F]daily maximum≤ 32000 ug/Lall year
Arsenic, total recoverablemonthly averagereport only (ug/L)all year
Arsenic, total recoverablemonthly averagereport only (ug/L)all year
Arsenic, total recoverabledaily maximum≤ 6.09 ug/Lall year
Arsenic, total recoverabledaily maximum≤ 6.09 ug/Lall year
Selenium, total recoverablemonthly averagereport only (ug/L)all year
Selenium, total recoverablemonthly averagereport only (ug/L)all year
Selenium, total recoverabledaily maximum≤ 100 ug/Lall year
Selenium, total recoverabledaily maximum≤ 100 ug/Lall year
Barium, total recoverablemonthly averagereport only (ug/L)all year
Barium, total recoverablemonthly averagereport only (ug/L)all year
Barium, total recoverabledaily maximum≤ 1000 ug/Lall year
Barium, total recoverabledaily maximum≤ 1000 ug/Lall year
Silver total recoverablemonthly averagereport only (ug/L)all year
Silver total recoverablemonthly averagereport only (ug/L)all year
Silver total recoverabledaily maximum≤ 100 ug/Lall year
Silver total recoverabledaily maximum≤ 100 ug/Lall year
Zinc, total recoverablemonthly averagereport only (ug/L)all year
Zinc, total recoverablemonthly averagereport only (ug/L)all year
Zinc, total recoverabledaily maximum≤ 400 ug/Lall year
Zinc, total recoverabledaily maximum≤ 400 ug/Lall year
Lead, total recoverablemonthly averagereport only (ug/L)all year
Lead, total recoverablemonthly averagereport only (ug/L)all year
Lead, total recoverabledaily maximum≤ 100 ug/Lall year
Lead, total recoverabledaily maximum≤ 100 ug/Lall year
Copper, total recoverablemonthly average≤ 400 ug/Lall year
Copper, total recoverablemonthly average≤ 400 ug/Lall year
Copper, total recoverabledaily maximum≤ 800 ug/Lall year
Copper, total recoverabledaily maximum≤ 800 ug/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all year
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all year
Chemical Oxygen Demand [COD]daily maximum≤ 50 mg/Lall year
Chemical Oxygen Demand [COD]daily maximum≤ 50 mg/Lall year
Volatile organics detectedmonthly averagereport only (ug/L)all year
Volatile organics detectedmonthly averagereport only (ug/L)all year
Volatile organics detecteddaily maximum≤ 100 ug/Lall year
Volatile organics detecteddaily maximum≤ 100 ug/Lall year
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimumreport only (%)all year
LC50 Static 96Hr Acute Ceriodaphniaminimumreport only (%)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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Your permit document is the final word. As JSON: /api/v1/permits/NJ0000272 · MCP: https://passage-data.com/mcp