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NPDES permit WA0039641 · Minor NON-POTW · administratively continued, expires 2020-06-30 · 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.

This permit expired on 2020-06-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 15 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among WA permits in EPA's filings — check your permit).

Limits in force (28)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX <= 88 deg F all year
001Temperature, water deg. fahrenheitDAILY MX <= 88 deg F all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
001Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
001Chromium, total [as Cr]MO AVG <= .2 mg/L all year
001Chromium, total [as Cr]MO AVG <= .2 mg/L all year
001Zinc, total [as Zn]MO AVG <= 1 mg/L all year
001Zinc, total [as Zn]MO AVG <= 1 mg/L all year
001Chlorine, total residualMO AVG <= .2 mg/L all year
001Chlorine, total residualMO AVG <= .2 mg/L all year
001pH, maximumDAILY MX <= 9 SU all year
001pH, maximumDAILY MX <= 9 SU all year
001pH, minimumDAILY MN >= 6 SU all year
001pH, minimumDAILY MN >= 6 SU all year
003TurbidityQRTR AVG <= 25 NTU (alert) all year
003TurbidityQRTR AVG <= 25 NTU (alert) all year
003pHDAILY MN >= 6 SU all year
003pHDAILY MN >= 6 SU all year
003pHDAILY MX <= 9 SU all year
003pHDAILY MX <= 9 SU all year
003Oil and grease, hexane extr methodMO AVG <= 10 mg/L all year
003Oil and grease, hexane extr methodMO AVG <= 10 mg/L all year
003Copper, total [as Cu]QRTR AVG <= 14 ug/L (alert) all year
003Copper, total [as Cu]QRTR AVG <= 14 ug/L (alert) all year
003Zinc, total [as Zn]QRTR AVG <= 117 ug/L (alert) all year
003Zinc, total [as Zn]QRTR AVG <= 117 ug/L (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