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Mcwane Ductile NJ A Division of Mcwane Inc

Gray And Ductile Iron Foundries, Phillipsburg Town, New Jersey. NPDES permit NJ0104060 expired Sep 30, 2011; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 26 days after each period: outfall 002 form A quarterly (24 values), outfall 003 form A quarterly (24 values), outfall 004 form A quarterly (24 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (72)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [high level] [COD]quarterly averagereport only (mg/L)all year002
Oxygen demand, chem. [high level] [COD]daily maximum≤ 100 mg/Lall year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendedquarterly averagereport only (mg/L)all year002
Solids, total suspendeddaily maximum≤ 50 mg/Lall year002
Arsenic, total recoverablequarterly averagereport only (mg/L)all year002
Arsenic, total recoverabledaily maximum≤ .1 mg/Lall year002
Iron, total recoverablequarterly averagereport only (mg/L)all year002
Iron, total recoverabledaily maximum≤ 3 mg/Lall year002
Zinc, total recoverablequarterly averagereport only (mg/L)all year002
Zinc, total recoverabledaily maximum≤ .6 mg/Lall year002
Cadmium, total recoverablequarterly averagereport only (mg/L)all year002
Cadmium, total recoverabledaily maximum≤ .02 mg/Lall year002
Lead, total recoverablequarterly averagereport only (mg/L)all year002
Lead, total recoverabledaily maximum≤ .1 mg/Lall year002
Chromium, total recoverablequarterly averagereport only (mg/L)all year002
Chromium, total recoverabledaily maximum≤ .1 mg/Lall year002
Copper, total recoverablequarterly averagereport only (mg/L)all year002
Copper, total recoverabledaily maximum≤ .2 mg/Lall year002
Petrol hydrocarbons, total recoverablemonthly averagereport only (mg/L)all year002
Petrol hydrocarbons, total recoverabledaily maximum≤ 15 mg/Lall year002
Mercury, total recoverablequarterly averagereport only (mg/L)all year002
Mercury, total recoverabledaily maximumreport only (mg/L)all year002
Oxygen demand, chem. [high level] [COD]quarterly averagereport only (mg/L)all year003
Oxygen demand, chem. [high level] [COD]daily maximum≤ 100 mg/Lall year003
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Solids, total suspendedquarterly averagereport only (mg/L)all year003
Solids, total suspendeddaily maximum≤ 50 mg/Lall year003
Arsenic, total recoverablequarterly averagereport only (mg/L)all year003
Arsenic, total recoverabledaily maximum≤ .1 mg/Lall year003
Iron, total recoverablequarterly averagereport only (mg/L)all year003
Iron, total recoverabledaily maximum≤ 3 mg/Lall year003
Zinc, total recoverablequarterly averagereport only (mg/L)all year003
Zinc, total recoverabledaily maximum≤ .6 mg/Lall year003
Cadmium, total recoverablequarterly averagereport only (mg/L)all year003
Cadmium, total recoverabledaily maximum≤ .02 mg/Lall year003
Lead, total recoverablequarterly averagereport only (mg/L)all year003
Lead, total recoverabledaily maximum≤ .1 mg/Lall year003
Chromium, total recoverablequarterly averagereport only (mg/L)all year003
Chromium, total recoverabledaily maximum≤ .1 mg/Lall year003
Copper, total recoverablequarterly averagereport only (mg/L)all year003
Copper, total recoverabledaily maximum≤ .2 mg/Lall year003
Petrol hydrocarbons, total recoverablemonthly averagereport only (mg/L)all year003
Petrol hydrocarbons, total recoverabledaily maximum≤ 15 mg/Lall year003
Mercury, total recoverablequarterly averagereport only (mg/L)all year003
Mercury, total recoverabledaily maximumreport only (mg/L)all year003
Oxygen demand, chem. [high level] [COD]quarterly averagereport only (mg/L)all year004
Oxygen demand, chem. [high level] [COD]daily maximum≤ 100 mg/Lall year004
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Solids, total suspendedquarterly averagereport only (mg/L)all year004
Solids, total suspendeddaily maximum≤ 50 mg/Lall year004
Arsenic, total recoverablequarterly averagereport only (mg/L)all year004
Arsenic, total recoverabledaily maximum≤ .1 mg/Lall year004
Iron, total recoverablequarterly averagereport only (mg/L)all year004
Iron, total recoverabledaily maximum≤ 3 mg/Lall year004
Zinc, total recoverablemonthly averagereport only (mg/L)all year004
Zinc, total recoverabledaily maximum≤ .6 mg/Lall year004
Cadmium, total recoverablequarterly averagereport only (mg/L)all year004
Cadmium, total recoverabledaily maximum≤ .02 mg/Lall year004
Lead, total recoverablequarterly averagereport only (mg/L)all year004
Lead, total recoverabledaily maximum≤ .1 mg/Lall year004
Chromium, total recoverablequarterly averagereport only (mg/L)all year004
Chromium, total recoverabledaily maximum≤ .1 mg/Lall year004
Copper, total recoverablemonthly averagereport only (mg/L)all year004
Copper, total recoverabledaily maximum≤ .2 mg/Lall year004
Petrol hydrocarbons, total recoverablemonthly averagereport only (mg/L)all year004
Petrol hydrocarbons, total recoverabledaily maximum≤ 15 mg/Lall year004
Mercury, total recoverablequarterly averagereport only (mg/L)all year004
Mercury, total recoverabledaily maximumreport only (mg/L)all year004

How strict are these limits?

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

Same industry: the 6 Primary Metal Industries permits in New Jersey.

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Your permit document is the final word. As JSON: /api/v1/permits/NJ0104060 · MCP: https://passage-data.com/mcp