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NPDES permit WA0991012 · Minor NON-POTW · expired, expires 2024-08-31 · 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.

This permit expired on 2024-08-31 and is expired: 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)
3of 37 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (58)

OutfallParameterStatisticLimitMonths
001ERedox [oxidation reduction potential]INST MAX report only (alert) all year
001ERedox [oxidation reduction potential]INST MAX report only (alert) all year
001ERedox [oxidation reduction potential]INST MIN report only (alert) all year
001ERedox [oxidation reduction potential]INST MIN report only (alert) all year
001ESolids, total suspendedDAILY MX report only (alert) all year
001ESolids, total suspendedDAILY MX report only (alert) all year
001EChloroformSingle Rdg report only (alert) all year
001EChloroformSingle Rdg report only (alert) all year
001EChlorine, total residualDAILY MX <= 100 mg/L all year
001EChlorine, total residualDAILY MX <= 100 mg/L all year
001EpH, maximumDAILY MX <= 12 SU all year
001EpH, maximumDAILY MX <= 12 SU all year
001EpH, minimumDAILY MN >= 5 SU all year
001EpH, minimumDAILY MN >= 5 SU all year
001EFlowDAILY MX report only (alert) all year
001EFlowDAILY MX report only (alert) all year
001EFlowMO AVG report only (alert) all year
001EFlowMO AVG report only (alert) all year
002ETurbiditySingle Rdg report only (alert) all year
002ETurbiditySingle Rdg report only (alert) all year
002EBOD, 5-day, 20 deg. CMO AVG <= 13.1 mg/L (alert) all year
002EBOD, 5-day, 20 deg. CMO AVG <= 13.1 mg/L (alert) all year
002EpHINST MAX <= 9 SU (alert) all year
002EpHINST MAX <= 9 SU (alert) all year
002EpHINST MIN >= 6 SU (alert) all year
002EpHINST MIN >= 6 SU (alert) all year
002EOil and grease, hexane extr methodMO AVG <= 15.4 mg/L (alert) all year
002EOil and grease, hexane extr methodMO AVG <= 15.4 mg/L (alert) all year
002EChloride [as Cl]Single Rdg report only (alert) all year
002EChloride [as Cl]Single Rdg report only (alert) all year
002ECopper, total [as Cu]MO AVG <= 7.6 ug/L (alert) all year
002ECopper, total [as Cu]MO AVG <= 7.6 ug/L (alert) all year
002ELead, total [as Pb]MO AVG <= 25.4 ug/L (alert) all year
002ELead, total [as Pb]MO AVG <= 25.4 ug/L (alert) all year
002EZinc, total [as Zn]MO AVG <= 55.8 ug/L (alert) all year
002EZinc, total [as Zn]MO AVG <= 55.8 ug/L (alert) all year
002EE. coliSingle Rdg report only (alert) all year
002EE. coliSingle Rdg report only (alert) all year
002ESolids, total dissolvedSingle Rdg report only (alert) all year
002ESolids, total dissolvedSingle Rdg report only (alert) all year
003ETemperature, water deg. centigradeSingle Rdg report only (alert) all year
003ETemperature, water deg. centigradeSingle Rdg report only (alert) all year
003ESolids, total suspendedSingle Rdg report only (alert) all year
003ESolids, total suspendedSingle Rdg report only (alert) all year
003EDurationSingle Rdg report only (alert) all year
003EDurationSingle Rdg report only (alert) all year
003EChlorine, total residualSingle Rdg report only (alert) all year
003EChlorine, total residualSingle Rdg report only (alert) all year
003EVolume, totalSingle Rdg report only (alert) all year
003EVolume, totalSingle Rdg report only (alert) all year
003EpH, maximumINST MAX <= 9 SU all year
003EpH, maximumINST MAX <= 9 SU all year
003EpH, minimumINST MIN >= 6 SU all year
003EpH, minimumINST MIN >= 6 SU all year
003EMercury, total [as Hg]Single Rdg report only (alert) all year
003EMercury, total [as Hg]Single Rdg report only (alert) all year
003EFlowINST MAX report only (alert) all year
003EFlowINST MAX 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