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Raritan TWP STP

Sewage treatment plant, major discharger, Raritan Twp, New Jersey. NPDES permit NJ0028436, in force until Jul 31, 2028. Last 12 months: no values over a limit, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 26 days after each period: form A monthly (58 values)
Renewal application due
Feb 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 31 required values missing, 4 of 12 reports late

Limits in force (66)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademinimumreport only (deg C)all year
Temperature, water deg. centigrademaximumreport only (deg C)all year
Temperature, water deg. centigrademinimumreport only (deg C)all year
Temperature, water deg. centigrademaximumreport only (deg C)all year
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (kg/d)all year
BOD, 5-day, 20 deg. Cdaily maximum≤ 875 kg/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cminimumreport only (%)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (kg/d)all year
Solids, total suspendeddaily maximum≤ 875 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendedminimumreport only (%)all year
Oil & Greasemonthly averagereport only (mg/L)all year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (kg/d)all year
Nitrogen, ammonia total [as N]daily maximumreport only (kg/d)all year
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrate total [as N]weekly averagereport only (mg/L)all year
Nitrogen, nitrate total [as N]monthly averagereport only (kg/d)all year
Nitrogen, nitrate total [as N]weekly averagereport only (kg/d)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all 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 averagereport only (ug/L)all year
Copper, total recoverabledaily maximum≤ 29.7 ug/Lall year
Copper, total recoverablemonthly averagereport only (g/d)all year
Copper, total recoverabledaily maximumreport only (g/d)all year
Chlorine produced oxidantsmonthly average≤ .024 mg/Lall year
Chlorine produced oxidantsmonthly averagereport only (mg/L)all year
Chlorine produced oxidantsdaily maximum≤ .03 mg/Lall year
Chlorine produced oxidantsdaily maximum≤ .03 mg/Lall year
Chlorine produced oxidantsmonthly averagereport only (kg/d)all year
Chlorine produced oxidantsmonthly averagereport only (kg/d)all year
Chlorine produced oxidantsdaily maximum≤ 1.46 kg/dall year
Chlorine produced oxidantsdaily maximum≤ 1.46 kg/dall year
Di[2-ethylhexyl] phthalate [DEHP]monthly averagereport only (ug/L)all year
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 2.69 ug/Lall year
Di[2-ethylhexyl] phthalate [DEHP]monthly averagereport only (g/d)all year
Di[2-ethylhexyl] phthalate [DEHP]daily maximumreport only (g/d)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 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
E. colimonthly geometric mean≤ 126 #/100mLall year
E. colimonthly geometric meanreport only (#/100mL)all year
E. coliinstantaneous maximumreport only (#/100mL)all year
E. coliinstantaneous maximum≤ 320 #/100mLall year
Duration of dischargemonthly totalreport only (hr/mo)all year
Flow, totalmonthly totalreport only (gal/mo)all year
LC50 Static 96Hr Acute Pimephalesminimumreport only (%)all year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NJ0028436 · MCP: https://passage-data.com/mcp