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Willingboro TWP Mua

Sewage treatment plant, major discharger, Willingboro Twp, New Jersey. NPDES permit NJ0023361, in force until Dec 31, 2030. Last 12 months: over a limit 2 times (last July 2026), 5 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 26 days after each period: form A monthly (54 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimit
January 2026pH, minimum5.67 SU≥ 6 SU
July 2026LC50 Static 48Hr Acute Ceriodaphnia dubia, minimum< 100 %≥ 48 %

Limits in force (58)

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
Oxygen, dissolved [DO]daily average minimumreport only (mg/L)all year
Oxygen, dissolved [DO]minimum weekly average≥ 5.5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 398 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 597 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≥ 88.5 %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 suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 594 kg/dall year
Solids, total suspendedweekly average≤ 890 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≤ 35 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 11.6 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 19 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly averagereport only (kg/d)Jan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 229 kg/dMay–Oct
Nitrogen, ammonia total [as N]daily maximumreport only (kg/d)Jan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 375 kg/dMay–Oct
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 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≤ 20 ug/Lall year
Chlorine produced oxidantsmonthly average≤ .03 mg/Lall year
Chlorine produced oxidantsdaily maximum≤ .13 mg/Lall year
Chlorine produced oxidantsmonthly average≤ .69 kg/dall year
Chlorine produced oxidantsdaily maximum≤ 2.63 kg/dall 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
Solids, total dissolvedmonthly averagereport only (mg/L)all year
Solids, total dissolvedweekly averagereport only (mg/L)all year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalweekly average≤ 400 #/100mLall year
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum≥ 48 %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/NJ0023361 · MCP: https://passage-data.com/mcp