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Allweather Wood LLC

Wood Preserving, Washougal, Washington. NPDES permit WA0040029 expired Jun 30, 2023; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form MM monthly (10 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (20)

ParameterStatisticLimitMonths
pHmaximum≤ 9 SUall year
pHmaximum≤ 9 SUall year
pHminimum≥ 6 SUall year
pHminimum≥ 6 SUall year
Solids, total suspendeddaily maximum≤ 50 mg/Lall year
Solids, total suspendeddaily maximum≤ 50 mg/Lall year
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year
Arsenic, total [as As]daily maximum≤ 260 ug/Lall year
Arsenic, total [as As]daily maximum≤ 260 ug/Lall year
Chromium, hexavalent [as Cr]daily maximum≤ 48 ug/Lall year
Chromium, hexavalent [as Cr]daily maximum≤ 48 ug/Lall year
Chromium, total [as Cr]daily maximum≤ 130 ug/Lall year
Chromium, total [as Cr]daily maximum≤ 130 ug/Lall year
Copper, total [as Cu]daily maximum≤ 160 ug/Lall year
Copper, total [as Cu]daily maximum≤ 160 ug/Lall year
Flowdaily maximumreport only (gal/d) (alert, not enforceable)all year
Flowdaily maximumreport only (gal/d) (alert, not enforceable)all year
Flowmonthly averagereport only (gal/d) (alert, not enforceable)all year
Flowmonthly averagereport only (gal/d) (alert, not enforceable)all year

How strict are these limits?

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

Same industry: the 11 Lumber and Wood Products permits in Washington.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WA0040029 · MCP: https://passage-data.com/mcp