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Columbia Forest Products

Hardwood Veneer And Plywood, Mellen, Wisconsin. NPDES permit WI0003735 expired Jun 30, 2023; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 7 reports late

Limits in force (8)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimumreport only (mg/L)Apr–Oct
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)Apr–Oct
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)Apr–Oct
pHdaily minimumreport only (SU)Apr–Oct
pHdaily maximumreport only (SU)Apr–Oct
Solids, total suspendedmonthly averagereport only (mg/L)Apr–Oct
Solids, total suspendeddaily maximumreport only (mg/L)Apr–Oct
Phosphorus, total [as P]daily maximumreport only (mg/L)Apr–Oct

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

Same industry: the 4 Lumber and Wood 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/WI0003735 · MCP: https://passage-data.com/mcp