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Chatham TWP

Sewage treatment plant, major discharger, Chatham Twp, New Jersey. NPDES permit NJ0020290, in force until Dec 31, 2030. Last 12 months: no values over a limit, 9 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 27 days after each period: form A monthly (64 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 53 required values missing, 1 of 12 reports late

Limits in force (64)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademinimumreport only (deg C)all year
Temperature, water deg. centigrademonthly averagereport 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. centigrademonthly averagereport only (deg C)all year
Temperature, water deg. centigrademaximumreport only (deg C)all year
Turbiditymonthly averagereport only (NTU)all year
Turbidityinstantaneous maximumreport only (NTU)all year
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year
Oxygen, dissolved [DO]minimum weekly average≥ 6 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 8 mg/Lall year
Solids, total suspendedweekly average≤ 12 mg/Lall year
Solids, total suspendedmonthly average≤ 35 kg/dall year
Solids, total suspendedweekly average≤ 52.5 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≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 3 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 8.7 kg/dall year
Nitrogen, ammonia total [as N]weekly average≤ 13.1 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≤ .76 mg/Lall 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]daily maximumreport only (kg/d)all year
Cyanide, total [as CN]monthly averagereport only (ug/L)all year
Cyanide, total [as CN]daily maximumreport only (ug/L)all year
Zinc, total recoverablemonthly averagereport only (ug/L)all year
Zinc, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverablemonthly averagereport only (ug/L)all year
Copper, total recoverabledaily maximumreport only (ug/L)all 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 plantindividual rolling 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
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 dissolvedweekly averagereport only (mg/L)all year
Solids, total dissolvedmonthly averagereport only (kg/d)all year
Solids, total dissolvedweekly averagereport only (kg/d)all year
Mercury, total recoverablemonthly averagereport only (ug/L)all year
Mercury, total recoverabledaily maximumreport only (ug/L)all year
Mercury, total recoverablemonthly averagereport only (g/d)all year
Mercury, total recoverabledaily maximumreport only (g/d)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 12 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 35 kg/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 52.5 kg/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly average minimum≥ 85 %all year
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimumreport 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/NJ0020290 · MCP: https://passage-data.com/mcp