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Ringwood Boro

Sewage treatment plant, Ringwood Boro, New Jersey. NPDES permit NJ0027006 expired Dec 31, 2024; its limits still apply. Last 12 months: over a limit 36 times (last August 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 26 days after each period: form A monthly (58 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
37 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 36 values over a limit
Period endingParameterReportedLimitOver by
October 2025Zinc, total recoverable, monthly average78.1 ug/L≤ 71 ug/L10%
November 2025Copper, total recoverable, daily maximum16.2 ug/L≤ 13.9 ug/L17%
November 2025Copper, total recoverable, daily maximum3.3 g/d≤ 1.9 g/d74%
November 2025Copper, total recoverable, monthly average16.2 ug/L≤ 7.6 ug/L113%
November 2025Copper, total recoverable, monthly average3.3 g/d≤ 1.03 g/d220%
November 2025Nitrogen, nitrate total [as N], monthly average15.03 kg/d≤ 3.8 kg/d296%
November 2025Nitrogen, nitrate total [as N], monthly average73.8 mg/L≤ 27.9 mg/L165%
November 2025Zinc, total recoverable, daily maximum196 ug/L≤ 119.8 ug/L64%
November 2025Zinc, total recoverable, daily maximum39.9 g/d≤ 16.3 g/d145%
November 2025Zinc, total recoverable, monthly average196 ug/L≤ 71 ug/L176%
November 2025Zinc, total recoverable, monthly average39.9 g/d≤ 9.67 g/d313%
December 2025Copper, total recoverable, daily maximum3.8 g/d≤ 1.9 g/d100%
December 2025Copper, total recoverable, daily maximum44 ug/L≤ 13.9 ug/L217%
December 2025Copper, total recoverable, monthly average3.8 g/d≤ 1.03 g/d269%
December 2025Copper, total recoverable, monthly average44 ug/L≤ 7.6 ug/L479%
December 2025Zinc, total recoverable, monthly average85 ug/L≤ 71 ug/L20%
January 2026Copper, total recoverable, monthly average< 1.04 g/d≤ 1.03 g/d1%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average1.18 kg/d≤ 1.09 kg/d8%
March 2026Solids, total suspended, monthly average13.1 mg/L≤ 8 mg/L64%
March 2026Solids, total suspended, monthly average4.3 kg/d≤ 1.09 kg/d294%
March 2026Solids, total suspended, weekly average13.1 mg/L≤ 12 mg/L9%
March 2026Solids, total suspended, weekly average4.3 kg/d≤ 1.64 kg/d162%
March 2026Zinc, total recoverable, monthly average11.73 g/d≤ 9.67 g/d21%
May 2026Nitrogen, ammonia total [as N], daily maximum1.29 kg/d≤ .6799 kg/d90%
May 2026Nitrogen, ammonia total [as N], daily maximum9.74 mg/L≤ 4.99 mg/L95%
June 2026Nitrogen, ammonia total [as N], daily maximum1.98 kg/d≤ .6799 kg/d191%
June 2026Nitrogen, ammonia total [as N], daily maximum11.8 mg/L≤ 4.99 mg/L136%
July 2026Copper, total recoverable, monthly average1.37 g/d≤ 1.03 g/d33%
July 2026Copper, total recoverable, monthly average10 ug/L≤ 7.6 ug/L32%
July 2026Nitrogen, ammonia total [as N], daily maximum1.66 kg/d≤ .6799 kg/d144%
July 2026Nitrogen, ammonia total [as N], daily maximum12.2 mg/L≤ 4.99 mg/L144%
July 2026Zinc, total recoverable, daily maximum660 ug/L≤ 119.8 ug/L451%
July 2026Zinc, total recoverable, daily maximum90.15 g/d≤ 16.3 g/d453%
July 2026Zinc, total recoverable, monthly average660 ug/L≤ 71 ug/L830%
July 2026Zinc, total recoverable, monthly average90.15 g/d≤ 9.67 g/d832%
August 2026Solids, total suspended, monthly average1.15 kg/d≤ 1.09 kg/d6%

Limits in force (62)

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]instantaneous minimum≥ 7 mg/Lall year
Oxygen, dissolved [DO]monthly averagereport only (mg/L)all year
pHminimum≥ 6 SUall year
pHinstantaneous maximum≤ 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≤ 1.09 kg/dall year
Solids, total suspendedweekly average≤ 1.64 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (kg/d)all year
Solids, total suspendedweekly averagereport only (kg/d)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 averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)May–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 11.47 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 4.99 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 averagereport only (kg/d)May–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 1.56 kg/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ .6799 kg/dMay–Oct
Nitrogen, nitrate total [as N]monthly average≤ 27.9 mg/Lall year
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrate total [as N]monthly average≤ 3.8 kg/dall 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]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≤ 71 ug/Lall year
Zinc, total recoverabledaily maximum≤ 119.8 ug/Lall year
Zinc, total recoverablemonthly average≤ 9.67 g/dall year
Zinc, total recoverabledaily maximum≤ 16.3 g/dall year
Copper, total recoverablemonthly average≤ 7.6 ug/Lall year
Copper, total recoverabledaily maximum≤ 13.9 ug/Lall year
Copper, total recoverablemonthly average≤ 1.03 g/dall year
Copper, total recoverabledaily maximum≤ 1.9 g/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
E. colimonthly geometric mean≤ 126 #/100mLall year
E. coliinstantaneous maximumreport only (#/100mL)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≤ 1.09 kg/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 1.64 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 averagereport only (kg/d)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (kg/d)all year
BOD, carbonaceous [5 day, 20 C]monthly average minimum≥ 85 %all year
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum≥ 33 %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/NJ0027006 · MCP: https://passage-data.com/mcp