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Sewerage Systems, Southampton Twp, New Jersey. NPDES permit NJ0023736 expired Mar 31, 2025; its limits still apply. Last 12 months: over a limit 9 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | BOD, 5-day, 20 deg. C, monthly average | 21 mg/L | ≤ 15 mg/L | 40% |
| December 2025 | BOD, 5-day, 20 deg. C, weekly average | 50 mg/L | ≤ 22.5 mg/L | 122% |
| December 2025 | Chlorine produced oxidants, daily maximum | .4 kg/d | ≤ .3 kg/d | 33% |
| December 2025 | Chlorine produced oxidants, daily maximum | .45 mg/L | ≤ .16 mg/L | 181% |
| February 2026 | BOD, 5-day, 20 deg. C, monthly average | 17 mg/L | ≤ 15 mg/L | 13% |
| February 2026 | BOD, 5-day, 20 deg. C, weekly average | 24 mg/L | ≤ 22.5 mg/L | 7% |
| March 2026 | BOD, 5-day, 20 deg. C, monthly average | 16 mg/L | ≤ 15 mg/L | 7% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 23 mg/L | ≤ 20 mg/L | 15% |
| April 2026 | BOD, 5-day, 20 deg. C, weekly average | 25 mg/L | ≤ 22.5 mg/L | 11% |
| 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 | ≥ 5 mg/L | all year |
| Oxygen, dissolved [DO] | daily average minimum | ≥ 4 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 15 mg/L | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 22.5 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 28 kg/d | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 42.58 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 | daily minimum | report only (SU) | all year |
| pH | daily maximum | report only (SU) | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 57 kg/d | all year |
| Solids, total suspended | weekly average | ≤ 85 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 | daily maximum | ≤ 15 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 20 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 38 kg/d | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (kg/d) | all year |
| Nitrogen, nitrite total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (kg/d) | all year |
| Phosphorus, total [as P] | weekly average | report only (kg/d) | all year |
| Chlorine produced oxidants | monthly average | ≤ .06 mg/L | all year |
| Chlorine produced oxidants | daily maximum | ≤ .16 mg/L | all year |
| Chlorine produced oxidants | monthly average | ≤ .11 kg/d | all year |
| Chlorine produced oxidants | daily maximum | ≤ .3 kg/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 | instantaneous maximum | report only (#/100mL) | all year |
| Solids, total dissolved | monthly average | report only (mg/L) | all year |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year |
| Solids, total dissolved | monthly average | report only (kg/d) | all year |
| Solids, total dissolved | daily maximum | report only (kg/d) | all year |
| LC50 Static 96Hr Acute Pimephales | minimum | report only (%) | all year |
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/NJ0023736 · MCP: https://passage-data.com/mcp