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Lignotech USA, Inc.

Gum And Wood Chemicals, Rothschild, Wisconsin. NPDES permit WI0003450 expired Oct 31, 2023; its limits still apply. Last 12 months: no values over a limit, 52 required values missing, 8 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (11 values), outfall 002 form A monthly (3 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
2 values over a limit, 30 required values missing, 12 of 24 reports late

Limits in force (17)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 707 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 2095 lb/dall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 700 lb/dall year001
Solids, total suspendeddaily maximum≤ 1575 lb/dall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)Jun, Dec001
Zinc, total recoverabledaily maximumreport only (ug/L)Jun, Dec001
Copper, total recoverabledaily maximumreport only (ug/L)Jun, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total recoverabledaily maximum≤ 8.8 ng/Lall year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002

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

Same industry: the 5 Chemicals 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/WI0003450 · MCP: https://passage-data.com/mcp