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Interfor U.S. Inc

Wood Products, Monticello, Arkansas. NPDES permit AR0047732, in force until Jan 31, 2029. Last 12 months: no values over a limit, 22 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form A monthly (17 values), outfall 002 form A monthly (17 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 23 of 25 reports late

Limits in force (34)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 50 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximum≤ 35 mg/Lall year001
Oil & Greasemonthly average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Silver total recoverablemonthly averagereport only (ug/L)all year001
Silver total recoverabledaily maximumreport only (ug/L)all year001
Lead, total recoverablemonthly averagereport only (ug/L)all year001
Lead, total recoverabledaily maximumreport only (ug/L)all year001
Debris, floating [severity]monthly averagereport only (N=0;Y=1)all year001
Debris, floating [severity]daily maximum≤ 0 N=0;Y=1all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year002
BOD, 5-day, 20 deg. Cdaily maximum≤ 50 mg/Lall year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspendeddaily maximum≤ 35 mg/Lall year002
Oil & Greasemonthly average≤ 10 mg/Lall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Silver total recoverablemonthly averagereport only (ug/L)all year002
Silver total recoverabledaily maximumreport only (ug/L)all year002
Lead, total recoverablemonthly averagereport only (ug/L)all year002
Lead, total recoverabledaily maximumreport only (ug/L)all year002
Debris, floating [severity]monthly averagereport only (N=0;Y=1)all year002
Debris, floating [severity]daily maximum≤ 0 N=0;Y=1all 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

How strict are these limits?

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

Same industry: the 44 Lumber and Wood Products permits in Arkansas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AR0047732 · MCP: https://passage-data.com/mcp