Stella -Jones Corporation

NPDES permit WA0030805 · Minor NON-POTW · administratively continued, expires 2025-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

0values over a limit
0required values missing, on 0 form(s)
1of 6 forms filed late

Last period with anything received: 2025-12-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (9)

OutfallParameterStatisticLimitMonths
MP1pHDAILY MN >= 6 SU all year
MP1pHDAILY MX <= 9 SU all year
MP1Solids, total suspendedAVERAGE <= 50 mg/L all year
MP1Copper, total [as Cu]DAILY MX report only (alert) all year
MP1Zinc, total [as Zn]DAILY MX report only (alert) all year
MP1Pentachlorophenol1D report only (alert) all year
MP1PentachlorophenolDAILY MX report only (alert) all year
MP1Total Petroleum Hydrocarbons - DieselDAILY MX <= 500 ug/L all year
MP1FlowDAILY 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