Taiga Building Products USA Ltd, DBA Exterior Wood

NPDES permit WA0040711 · Minor NON-POTW · administratively continued, expires 2023-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

Last period with anything received: 2026-07-31. Most often over: Oil and grease, hexane extr method (1).

Reporting

Reports are due about 31 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (18)

OutfallParameterStatisticLimitMonths
0SWFlow, totalMO AVG report only (alert) all year
0SWFlow, totalMO TOTAL report only (alert) all year
EFFpHMAXIMUM <= 9 SU all year
EFFpHMINIMUM >= 6 SU all year
EFFSolids, total suspendedDAILY MX <= 50 mg/L all year
EFFOil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
EFFArsenic, total [as As]DAILY MX <= 111 ug/L all year
EFFChromium, total [as Cr]DAILY MX <= 180 ug/L all year
EFFCopper, total [as Cu]DAILY MX <= 160 ug/L all year
EFFFlow, totalMO TOTAL report only (alert) all year
EFFTebuconazoleDAILY MX <= 20 ug/L all year
EFFFlowDAILY MX report only (alert) all year
EFFFlowMO AVG report only (alert) all year
INFpHMAXIMUM report only (alert) all year
INFpHMINIMUM report only (alert) all year
INFSolids, total suspendedDAILY MX report only (alert) all year
INFOil and grease, hexane extr methodDAILY MX report only (alert) all year
INFCopper, total [as Cu]DAILY MX report only (alert) all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states