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NJ American Water

Industrial or other facility, Mansfield Twp, New Jersey. NPDES permit NJ0098663, in force until Mar 31, 2028. Last 12 months: over a limit 6 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 26 days after each period: form A monthly (40 values)
Renewal application due
Oct 3, 2027 · 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, 1 required value missing, 3 of 12 reports late

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

Period endingParameterReportedLimitOver by
March 2026IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia, minimum8.6 %≥ 14 %39%
April 2026E. coli, monthly geometric mean> 1 #/100mL≤ 126 #/100mL—
April 2026Oil & Grease, instantaneous maximum> 5 mg/L≤ 15 mg/L—
April 2026Oil & Grease, monthly average> 5 mg/L≤ 10 mg/L—
May 2026Nitrogen, ammonia total [as N], monthly average3 mg/L≤ 2 mg/L50%
May 2026Nitrogen, ammonia total [as N], weekly average5 mg/L≤ 3 mg/L67%

Limits in force (44)

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
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/Lall year
Oxygen, dissolved [DO]weekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 8 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 12 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 7.6 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 11.4 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≥ 85 %all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 8 mg/Lall year
Solids, total suspendedweekly average≤ 12 mg/Lall year
Solids, total suspendedmonthly average≤ 7.6 kg/dall year
Solids, total suspendedweekly average≤ 11.4 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/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 3 mg/LMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.9 kg/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 9.4 kg/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 2.8 kg/dMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 14.1 kg/dJan, Feb, Mar, Apr, Nov, Dec
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 average≤ .419 kg/dall year
Phosphorus, total [as P]weekly average≤ .628 kg/dall year
Chlorine produced oxidantsmonthly average≤ .03 mg/Lall year
Chlorine produced oxidantsdaily maximum≤ .054 mg/Lall year
Chlorine produced oxidantsmonthly average≤ .028 kg/dall year
Chlorine produced oxidantsdaily maximum≤ .65 kg/dall 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
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum≥ 14 %all year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NJ0098663 · MCP: https://passage-data.com/mcp