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Nouryon Pulp and Performance Chemicals LLC

Industrial Inorganic Chemicals, major discharger, Columbus, Mississippi. NPDES permit MS0040215, in force until Dec 31, 2030. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (30 values), outfall 104 form A monthly (9 values), outfall 001 form Y yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 1 required value missing, 3 of 25 reports late

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

Period endingParameterReportedLimit
June 2026pH, daily maximum9.5 SU≤ 9 SU

Limits in force (48)

ParameterStatisticLimitMonthsOutfall
Total production - massmonthly averagereport only (lb/d)all year001
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]monthly average≤ 16 lb/dall year001
Nitrogen, total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 11.88 lb/dall year001
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly average≤ 10 lb/dall year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Chromium, total recoverablemonthly averagereport only (mg/L)all year001
Chromium, total recoverabledaily maximumreport only (mg/L)all year001
Chromium, total recoverablemonthly average≤ .92 lb/dall year001
Chromium, total recoverabledaily maximum≤ 1.83 lb/dall year001
Antimony, total recoverablemonthly averagereport only (mg/L)all year001
Antimony, total recoverabledaily maximumreport only (mg/L)all year001
Antimony, total recoverablemonthly average≤ 2.36 lb/dall year001
Antimony, total recoverabledaily maximum≤ 4.62 lb/dall year001
Temp. diff. between up/down stream deg. Fdaily maximum≤ 5 deg FMay–Oct001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly averagereport only (mg/L)all year001
Chlorine, total residualdaily maximumreport only (mg/L)all year001
Chlorine, total residualmonthly average≤ .73 lb/dall year001
Chlorine, total residualdaily maximum≤ 1.25 lb/dall year001
E. colimonthly average≤ 126 #/100mLall year001
E. colidaily maximum≤ 410 #/100mLall year001
Temperature, summer [deg. F]daily maximum≤ 97 deg FMay–Oct001
Temperature, winter [deg. F]daily maximum≤ 90 deg FJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 73.73 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (lb/d)all year001
Total production - massmonthly averagereport only (lb/d)all year104
pHdaily minimum≥ 6 SUall year104
pHdaily maximum≤ 9 SUall year104
Solids, total suspendedmonthly average≤ 133 lb/dall year104
Solids, total suspendeddaily maximum≤ 266 lb/dall year104
Carbon, tot organic [TOC]monthly average≤ 73 lb/dall year104
Carbon, tot organic [TOC]daily maximum≤ 146 lb/dall year104
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year104
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year104

How strict are these limits?

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

Same industry: the 23 Chemicals and Allied Products permits in Mississippi.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0040215 · MCP: https://passage-data.com/mcp