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Sewage treatment plant, Washington Twp, New Jersey. NPDES permit NJ0023493, in force until Sep 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | minimum | report only (deg C) | all year |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year |
| Temperature, water deg. centigrade | maximum | report only (deg C) | all year |
| Temperature, water deg. centigrade | minimum | report only (deg C) | all year |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year |
| Temperature, water deg. centigrade | maximum | report only (deg C) | all year |
| Oxygen, dissolved [DO] | minimum weekly average | ≥ 7 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 10 mg/L | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 15 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 19 kg/d | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 28 kg/d | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | weekly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average minimum | ≥ 85 % | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| pH | minimum | report only (SU) | all year |
| pH | maximum | report only (SU) | all year |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 15 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 19 kg/d | all year |
| Solids, total suspended | weekly average | ≤ 28 kg/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | weekly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average minimum | ≥ 85 % | all year |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year |
| Oil & Grease | instantaneous maximum | ≤ 15 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 3 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 kg/d | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | report only (kg/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 6 kg/d | May–Oct |
| Nitrogen, ammonia total [as N] | weekly average | report only (kg/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, nitrate total [as N] | weekly average | report only (mg/L) | all year |
| Nitrogen, nitrate total [as N] | monthly average | report only (kg/d) | all year |
| Nitrogen, nitrate total [as N] | weekly average | report only (kg/d) | all year |
| Phosphorus, total [as P] | monthly average | ≤ 1.29 mg/L | May–Oct |
| Phosphorus, total [as P] | monthly average | ≤ 1.35 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | May–Oct |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorus, total [as P] | monthly average | report only (kg/d) | May–Oct |
| Phosphorus, total [as P] | monthly average | report only (kg/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorus, total [as P] | weekly average | report only (kg/d) | May–Oct |
| Phosphorus, total [as P] | weekly average | report only (kg/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year |
| Zinc, total recoverable | monthly average | report only (g/d) | all year |
| Zinc, total recoverable | daily maximum | report only (g/d) | all year |
| Copper, total recoverable | monthly average | report only (ug/L) | all year |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year |
| Copper, total recoverable | monthly average | report only (g/d) | all year |
| Copper, total recoverable | daily maximum | report only (g/d) | all year |
| Flow, in conduit or thru treatment plant | individual rolling average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | all year |
| E. coli | weekly average | report only (#/100mL) | all year |
| Phosphorous, in total orthophosphate | monthly average | report only (mg/L) | May–Oct |
| Phosphorous, in total orthophosphate | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorous, in total orthophosphate | weekly average | report only (mg/L) | May–Oct |
| Phosphorous, in total orthophosphate | weekly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorous, in total orthophosphate | monthly average | report only (kg/d) | May–Oct |
| Phosphorous, in total orthophosphate | monthly average | report only (kg/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorous, in total orthophosphate | weekly average | report only (kg/d) | May–Oct |
| Phosphorous, in total orthophosphate | weekly average | report only (kg/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | minimum | ≥ 55 % | all year |
Cited limits by parameter: New Jersey's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
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