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American Chrome and Chemicals

Industrial Inorganic Chemicals, Castle Hayne, North Carolina. NPDES permit NC0003875 expired Aug 31, 2022; its limits still apply. Last 12 months: over a limit once (last August 2026), 2 of 32 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: outfall 001 form M monthly (19 values), outfall 002 form M monthly (8 values), outfall 003 form M monthly (12 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 18 required values missing, 3 of 36 reports late

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

Period endingParameterReportedLimitOver by
August 2026Chloride [as Cl], daily maximum5824 mg/L≤ 4955.7 mg/L18%

Limits in force (39)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspended30-day average≤ 105.6 lb/dall year001
Solids, total suspendeddaily maximum≤ 211.2 lb/dall year001
Chloride [as Cl]30-day average≤ 4955.7 mg/Lall year001
Chloride [as Cl]daily maximum≤ 4955.7 mg/Lall year001
Chromium, hexavalent [as Cr]30-day average≤ .244 lb/dall year001
Chromium, hexavalent [as Cr]daily maximum≤ .439 lb/dall year001
Chromium, total [as Cr]30-day average≤ 2.147 lb/dall year001
Chromium, total [as Cr]daily maximum≤ 4.294 lb/dall year001
Nickel, total [as Ni]30-day average≤ 1.659 lb/dall year001
Nickel, total [as Ni]daily maximum≤ 3.318 lb/dall year001
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximum≤ 400 #/100mLall year001
Flow, in conduit or thru treatment plant30-day average≤ .785 MGDall year001
Chlorine, total residualdaily maximum≤ 28 ug/Lall year001
BOD, 5-day, 20 deg. C30-day average≤ 30 mg/Lall year002
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year002
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspended30-day average≤ 30 mg/Lall year002
Solids, total suspendeddaily maximum≤ 45 mg/Lall year002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Temperature, water deg. centigradedaily maximumreport only (deg C)all year003
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year003
pHdaily minimum≥ 6 SUall year003
pHdaily maximum≤ 9 SUall year003
Solids, total suspended30-day average≤ 30 mg/Lall year003
Solids, total suspendeddaily maximum≤ 45 mg/Lall year003
Chloride [as Cl]daily maximumreport only (mg/L)all year003
Chromium, hexavalent [as Cr]daily maximumreport only (ug/L)all year003
Chromium, total [as Cr]daily maximumreport only (ug/L)all year003
Nickel, total [as Ni]daily maximumreport only (ug/L)all year003
Flow, in conduit or thru treatment plant30-day average≤ .576 MGDall year003
Chv Statre 7Day Chronic Ceriodaphniadaily maximumreport only (%)all year003

Cited limits by parameter: North Carolina's rules and the federal ones.

Same industry: the 17 Chemicals and Allied Products permits in North Carolina.

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Your permit document is the final word. As JSON: /api/v1/permits/NC0003875 · MCP: https://passage-data.com/mcp