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Domtar A W LLC

Pulp Mills, major discharger, Nekoosa, Wisconsin. NPDES permit WI0003620 expired Sep 30, 2023; its limits still apply. Last 12 months: no values over a limit, 19 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 002 form A monthly (9 values), outfall 002 form Q quarterly (1 value), outfall 006 form A monthly (4 values), outfall 109 form Q quarterly (1 value), outfall 110 form A monthly (2 values), outfall 701 form A monthly (2 values), and 2 more forms
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 192 required values missing, 0 of 81 reports late

Limits in force (46)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year002
pHdaily minimum≥ 5 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 13045 lb/dall year002
Solids, total suspendeddaily maximum≤ 24263 lb/dall year002
Phosphorus, total [as P]monthly average≤ .8 mg/Lall year002
Phosphorus, total [as P]annual averagereport only (lb/yr)all year002
Phosphorus, total [as P]monthly average≤ 100 lb/dall year002
Phosphorus, total [as P]annual maximumreport only (lb/yr)all year002
2,3,7,8-Tetrachlorodibenzo-p-dioxinannual maximumreport only (pg/L)all year002
2,3,7,8-Tetrachlorodibenzo-p-dioxinmonthly average≤ 1.2 ug/dall year002
2,3,7,8-Tetrachlorodibenzofuranannual maximumreport only (pg/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year002
Mercury, total recoverabledaily maximum≤ 15 ng/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year006
Chlorine, total residualmonthly average≤ 38 ug/Lall year006
Chlorine, total residualdaily maximum≤ 38 ug/Lall year006
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year008
BOD, 5-day, 20 deg. Cmonthly maximumreport only (lb/d)all year008
Solids, total suspendedmonthly averagereport only (lb/d)all year008
Solids, total suspendedmonthly maximumreport only (lb/d)all year008
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year008
Chloroformmonthly maximumreport only (mg/L)all year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year101
Chloroformmonthly maximumreport only (mg/L)all year102
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year102
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year102
Chloroformmonthly maximumreport only (mg/L)all year103
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year103
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year103
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year104
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year104
Phosphorus, total [as P]monthly maximumreport only (mg/L)all year106
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year106
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year106
Mercury, total recoverablequarterly maximumreport only (ng/L)all year109
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year110
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year110
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year701
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year701
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year702
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year702

How strict are these limits?

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

Same industry: the 22 Paper and Allied Products permits in Wisconsin.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WI0003620 · MCP: https://passage-data.com/mcp