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Stepan Co

Surface Active Agents, Fieldsboro Boro, New Jersey. NPDES permit NJ0128325 expired Aug 31, 2020; its limits still apply. Last 12 months: no values over a limit, 36 required values missing, 4 of 8 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 26 days after each period: outfall 001 form A quarterly, outfall 002 form A quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 36 required values missing, 4 of 8 reports late

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
pHdaily minimumreport only (SU)all year001
pHdaily maximumreport only (SU)all year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Oil & grease [freon extr.-IR meth] tot, RCmonthly averagereport only (mg/L)all year001
Oil & grease [freon extr.-IR meth] tot, RCdaily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrite plus nitrate dissolved 1 det.monthly averagereport only (mg/L)all year001
Nitrite plus nitrate dissolved 1 det.daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Surfactants [MBAS]monthly averagereport only (mg/L)all year001
Surfactants [MBAS]daily maximumreport only (mg/L)all year001
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all year001
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year002
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year002
pHdaily minimumreport only (SU)all year002
pHdaily maximumreport only (SU)all year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Oil & grease [freon extr.-IR meth] tot, RCmonthly averagereport only (mg/L)all year002
Oil & grease [freon extr.-IR meth] tot, RCdaily maximumreport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year002
Nitrite plus nitrate dissolved 1 det.monthly averagereport only (mg/L)all year002
Nitrite plus nitrate dissolved 1 det.daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Surfactants [MBAS]monthly averagereport only (mg/L)all year002
Surfactants [MBAS]daily maximumreport only (mg/L)all year002
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all year002
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year002

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

Same industry: the 20 Chemicals and Allied Products permits in New Jersey.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NJ0128325 · MCP: https://passage-data.com/mcp