Western Towboat Company

NPDES permit WA0032191 · Minor NON-POTW · administratively continued, expires 2025-06-30 · 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)
1of 4 forms filed late

Last period with anything received: 2026-06-30. Most often over: Zinc, total [as Zn] (1).

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 (7)

OutfallParameterStatisticLimitMonths
01ATurbidityDAILY MX <= 25 NTU all year
01ApHDAILY MN >= 5.4 SU all year
01ApHDAILY MX <= 8.5 SU all year
01ACopper, total [as Cu]DAILY MX report only (alert) all year
01AZinc, total [as Zn]DAILY MX <= 425 ug/L all year
01AFlowTOTAL report only (alert) all year
01AOil and grease visualDAILY MX <= 0 N=0;Y=1 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