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Hamilton TWP Dept of Water Pollution Control

Sewage treatment plant, major discharger, Hamilton Twp, New Jersey. NPDES permit NJ0026301, in force until Jun 30, 2028. Last 12 months: over a limit 21 times (last August 2026), 2 required values missing, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 26 days after each period: form A monthly (64 values)
Renewal application due
Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
27 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 21 values over a limit
Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], monthly average33 mg/L≤ 29 mg/L14%
January 2026BOD, 5-day, 20 deg. C, monthly average minimum86.9 %≥ 88.5 %2%
January 2026BOD, 5-day, 20 deg. C, monthly average37 mg/L≤ 30 mg/L23%
February 2026BOD, 5-day, 20 deg. C, monthly average minimum86.6 %≥ 88.5 %2%
February 2026BOD, 5-day, 20 deg. C, monthly average36 mg/L≤ 30 mg/L20%
March 2026BOD, 5-day, 20 deg. C, monthly average minimum86.5 %≥ 88.5 %2%
March 2026BOD, 5-day, 20 deg. C, monthly average36 mg/L≤ 30 mg/L20%
May 2026Nitrogen, ammonia total [as N], monthly average35 mg/L≤ 29 mg/L21%
June 2026BOD, 5-day, 20 deg. C, monthly average minimum84 %≥ 88.5 %5%
June 2026BOD, 5-day, 20 deg. C, monthly average1170 kg/d≤ 1134 kg/d3%
June 2026BOD, 5-day, 20 deg. C, monthly average45 mg/L≤ 30 mg/L50%
June 2026BOD, 5-day, 20 deg. C, weekly average56 mg/L≤ 45 mg/L24%
June 2026Nitrogen, ammonia total [as N], monthly average38 mg/L≤ 29 mg/L31%
June 2026Solids, total suspended, monthly average32 mg/L≤ 30 mg/L7%
July 2026BOD, 5-day, 20 deg. C, monthly average minimum85.9 %≥ 88.5 %3%
July 2026BOD, 5-day, 20 deg. C, monthly average36 mg/L≤ 30 mg/L20%
July 2026Chlorine produced oxidants, daily maximum.4 mg/L≤ .19 mg/L111%
July 2026Chlorine produced oxidants, monthly average.2 mg/L≤ .07 mg/L186%
July 2026Nitrogen, ammonia total [as N], monthly average37 mg/L≤ 29 mg/L28%
August 2026BOD, 5-day, 20 deg. C, monthly average minimum87.1 %≥ 88.5 %2%
August 2026Nitrogen, ammonia total [as N], monthly average35 mg/L≤ 29 mg/L21%

Limits in force (68)

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]instantaneous minimum≥ 4 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≤ 1134 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 1701 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≤ 1820 kg/dall year
Solids, total suspendedweekly average≤ 2730 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 & Greasedaily maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 29 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 35 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)May–Oct
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1756 kg/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2120 kg/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximumreport only (kg/d)May–Oct
Nitrogen, ammonia total [as N]daily maximumreport only (kg/d)Jan, Feb, Mar, Apr, Nov, Dec
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
Zinc, total recoverablemonthly average≤ 450.79 ug/Lall year
Zinc, total recoverabledaily maximum≤ 830.58 ug/Lall year
Zinc, total recoverablemonthly average≤ 27.3 kg/dall year
Zinc, total recoverabledaily maximum≤ 50.3 kg/dall year
Lead, total recoverablemonthly average≤ 130.45 ug/Lall year
Lead, total recoverabledaily maximum≤ 239.43 ug/Lall year
Lead, total recoverablemonthly average≤ 7.9 kg/dall year
Lead, total recoverabledaily maximum≤ 14.5 kg/dall year
Copper, total recoverablemonthly average≤ 150.26 ug/Lall year
Copper, total recoverabledaily maximum≤ 280.71 ug/Lall year
Copper, total recoverablemonthly average≤ 9.1 kg/dall year
Copper, total recoverabledaily maximum≤ 17 kg/dall year
Chlorine produced oxidantsmonthly average≤ .07 mg/Lall year
Chlorine produced oxidantsdaily maximum≤ .19 mg/Lall year
Chlorine produced oxidantsmonthly average≤ 4.23 kg/dall year
Chlorine produced oxidantsdaily maximum≤ 11.5 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 dissolveddaily maximumreport only (mg/L)all year
Solids, total dissolvedmonthly averagereport only (kg/d)all year
Solids, total dissolveddaily maximumreport only (kg/d)all year
Coliform, fecal generalmonthly average≤ 200 #/100mLall year
Coliform, fecal generalweekly average≤ 400 #/100mLall year
LC50 Static 96Hr Acute Ceriodaphniaminimum≥ 27 %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.

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Your permit document is the final word. As JSON: /api/v1/permits/NJ0026301 · MCP: https://passage-data.com/mcp