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Clariant Corporation

Manufacturing Industries, major discharger, Charlotte, North Carolina. NPDES permit NC0004375, in force until Nov 30, 2030. Last 12 months: over a limit once (last June 2026), 18 required values missing, 11 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (22 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 12 required values missing, 12 of 12 reports late

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

Period endingParameterReportedLimitOver by
June 2026Coliform, fecal MF, MFC broth, 44.5 C, daily maximum3300 #/100mL≤ 400 #/100mL725%

Limits in force (22)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Conductivitydaily maximumreport only (umho/cm)all year
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. C30-day average≤ 15.8 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 23.4 mg/Lall year
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Oil & Greasedaily maximumreport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (lb/mo)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (lb/mo)all year
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximum≤ 400 #/100mLall year
Flow, in conduit or thru treatment plant30-day average≤ 1.709 MGDall year
Flow, totaldaily maximumreport only (MGD)all year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NC0004375 · MCP: https://passage-data.com/mcp