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Domtar Paper Co LLC

Paper Mills, major discharger, Rothschild, Wisconsin. NPDES permit WI0026042 expired May 31, 2026; its limits still apply. Last 12 months: no values over a limit, 221 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 010 form A monthly (12 values), outfall 010 form Q quarterly (2 values), outfall 011 form A monthly (9 values), outfall 012 form A monthly (9 values), outfall 013 form A monthly (9 values), outfall 014 form A monthly (8 values), and 7 more forms
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 680 required values missing, 0 of 124 reports late

Limits in force (67)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year010
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year010
BOD, 5-day, 20 deg. Cmonthly maximumreport only (lb/d)all year010
pHdaily minimum≥ 4 SUall year010
pHdaily maximum≤ 11 SUall year010
Solids, total suspendedmonthly averagereport only (lb/d)all year010
Solids, total suspendedmonthly maximumreport only (lb/d)all year010
Phosphorus, total [as P]monthly maximumreport only (mg/L)all year010
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year010
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year010
Mercury, total recoverablemonthly average≤ 9.3 ng/Lall year010
Mercury, total recoverablemonthly average≤ 400 g/dall year010
pH range excursions, > 60 minutesmonthly total≤ 0 occur/dall year010
pH range excursions, monthly total accummonthly total≤ 446 minall year010
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year011
BOD, 5-day, 20 deg. Cmonthly maximumreport only (lb/d)all year011
pHdaily minimum≥ 5 SUall year011
pHdaily maximum≤ 9 SUall year011
Solids, total suspendedmonthly averagereport only (lb/d)all year011
Solids, total suspendedmonthly maximumreport only (lb/d)all year011
Phosphorus, total [as P]monthly maximumreport only (mg/L)all year011
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year011
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year012
BOD, 5-day, 20 deg. Cmonthly maximumreport only (lb/d)all year012
pHdaily minimum≥ 5 SUall year012
pHdaily maximum≤ 9 SUall year012
Solids, total suspendedmonthly averagereport only (lb/d)all year012
Solids, total suspendedmonthly maximumreport only (lb/d)all year012
Phosphorus, total [as P]monthly maximumreport only (mg/L)all year012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year012
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year013
BOD, 5-day, 20 deg. Cmonthly maximumreport only (lb/d)all year013
pHdaily minimum≥ 5 SUall year013
pHdaily maximum≤ 9 SUall year013
Solids, total suspendedmonthly averagereport only (lb/d)all year013
Solids, total suspendedmonthly maximumreport only (lb/d)all year013
Phosphorus, total [as P]monthly maximumreport only (mg/L)all year013
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year013
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year013
BOD, 5-day, 20 deg. Cmonthly average≤ 7739 lb/dall year014
BOD, 5-day, 20 deg. Cdaily maximum≤ 14876 lb/dall year014
Solids, total suspendedmonthly average≤ 11511 lb/dall year014
Solids, total suspendeddaily maximum≤ 21410 lb/dall year014
Phosphorus, total [as P]rolling average≤ .42 mg/Lall year014
Phosphorus, total [as P]monthly average≤ 33 lb/dall year014
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year014
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year014
Temperature, water deg. fahrenheitmonthly maximumreport only (deg F)all year015
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year015
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year015
Chlorine, total residualmonthly average≤ 38 ug/Lall year015
Chlorine, total residualdaily maximum≤ 38 ug/Lall year015
pHdaily minimum≥ 6 SUall year018
pHdaily maximum≤ 9 SUall year018
Solids, total suspendeddaily maximum≤ 40 mg/Lall year018
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year018
Flow, in conduit or thru treatment plantmonthly maximumreport only (gal/d)all year018
Chlorine, total residualmonthly average≤ 38 ug/Lall year018
Chlorine, total residualdaily maximum≤ 38 ug/Lall year018
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year102
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year102
Mercury, total recoverablequarterly maximumreport only (ng/L)all year104
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year901
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year901
Mercury, total recoverablequarterly maximumreport only (ng/L)all year901

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/WI0026042 · MCP: https://passage-data.com/mcp