King County Dept of Natural Resources and Parks

NPDES permit WA0032247 · Major POTW · administratively continued, expires 2023-02-28 · 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 2023-02-28 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
6required values missing, on 6 form(s)
0of 47 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 (228)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeSingle Rdg report only (alert) all year
001Temperature, water deg. centigradeSingle Rdg report only (alert) all year
001Oxygen, dissolved [DO]Single Rdg report only (alert) all year
001Oxygen, dissolved [DO]Single Rdg report only (alert) all year
001BOD, 5-day, 20 deg. CAVERAGE <= 30 mg/L all year
001BOD, 5-day, 20 deg. CAVERAGE <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CAVERAGE <= 10233 lb/d all year
001BOD, 5-day, 20 deg. CAVERAGE <= 10233 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 15350 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 15350 lb/d all year
001Solids, total suspendedAVERAGE <= 30 mg/L all year
001Solids, total suspendedAVERAGE <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedAVERAGE <= 10233 lb/d all year
001Solids, total suspendedAVERAGE <= 10233 lb/d all year
001Solids, total suspendedWKLY AVG <= 15350 lb/d all year
001Solids, total suspendedWKLY AVG <= 15350 lb/d all year
001Oil and grease, hexane extr methodSingle Rdg report only (alert) all year
001Oil and grease, hexane extr methodSingle Rdg report only (alert) all year
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
001Nitrogen, Kjeldahl, total [as N]MAXIMUM report only (alert) all year
001Nitrogen, Kjeldahl, total [as N]MAXIMUM report only (alert) all year
001Nitrite + Nitrate total [as N]MAXIMUM report only (alert) all year
001Nitrite + Nitrate total [as N]MAXIMUM report only (alert) all year
001Phosphorus, total [as P]MAXIMUM report only (alert) all year
001Phosphorus, total [as P]MAXIMUM report only (alert) all year
001Phosphorus, dissolved reactive [drp as P]MAXIMUM report only (alert) all year
001Phosphorus, dissolved reactive [drp as P]MAXIMUM report only (alert) all year
001Cyanide, total [as CN]Single Rdg report only (alert) all year
001Cyanide, total [as CN]Single Rdg report only (alert) all year
001Hardness, total [as CaCO3]Single Rdg report only (alert) all year
001Hardness, total [as CaCO3]Single Rdg report only (alert) all year
001Arsenic, total [as As]Single Rdg report only (alert) all year
001Arsenic, total [as As]Single Rdg report only (alert) all year
001Beryllium, total [as Be]Single Rdg report only (alert) all year
001Beryllium, total [as Be]Single Rdg report only (alert) all year
001Cadmium, total [as Cd]Single Rdg report only (alert) all year
001Cadmium, total [as Cd]Single Rdg report only (alert) all year
001Chromium, total [as Cr]Single Rdg report only (alert) all year
001Chromium, total [as Cr]Single Rdg report only (alert) all year
001Copper, total [as Cu]Single Rdg report only (alert) all year
001Copper, total [as Cu]Single Rdg report only (alert) all year
001Lead, total [as Pb]Single Rdg report only (alert) all year
001Lead, total [as Pb]Single Rdg report only (alert) all year
001Thallium, total [as Tl]Single Rdg report only (alert) all year
001Thallium, total [as Tl]Single Rdg report only (alert) all year
001Nickel, total [as Ni]Single Rdg report only (alert) all year
001Nickel, total [as Ni]Single Rdg report only (alert) all year
001Silver, total [as Ag]Single Rdg report only (alert) all year
001Silver, total [as Ag]Single Rdg report only (alert) all year
001Zinc, total [as Zn]Single Rdg report only (alert) all year
001Zinc, total [as Zn]Single Rdg report only (alert) all year
001Antimony, total [as Sb]Single Rdg report only (alert) all year
001Antimony, total [as Sb]Single Rdg report only (alert) all year
001Selenium, total [as Se]Single Rdg report only (alert) all year
001Selenium, total [as Se]Single Rdg report only (alert) all year
001Chromium, hexavalent dissolved [as Cr]Single Rdg report only (alert) all year
001Chromium, hexavalent dissolved [as Cr]Single Rdg report only (alert) all year
001Total phenolsSingle Rdg report only all year
001Phenolics, totalSingle Rdg report only (alert) all year
001Chlorine, total residualAVERAGE <= .5 mg/L all year
001Chlorine, total residualAVERAGE <= .5 mg/L all year
001Chlorine, total residualWKLY AVG <= .75 mg/L all year
001Chlorine, total residualWKLY AVG <= .75 mg/L all year
001BOD, percent removal [total]MO AV MN >= 85 % all year
001BOD, percent removal [total]MO AV MN >= 85 % 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
001Solids, total dissolvedSingle Rdg report only (alert) all year
001Solids, total dissolvedSingle Rdg report only (alert) all year
001Mercury, total [as Hg]Single Rdg report only (alert) all year
001Mercury, total [as Hg]Single Rdg report only (alert) all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal generalWK GEOMN <= 400 #/100mL all year
001Coliform, fecal generalWK GEOMN <= 400 #/100mL all year
001FlowAVERAGE report only (alert) all year
001FlowAVERAGE report only (alert) all year
001FlowMAXIMUM report only (alert) all year
001FlowMAXIMUM report only (alert) all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001BpHSingle Rdg report only (alert) all year
001BpHSingle Rdg report only (alert) all year
001BCyanide, total [as CN]Single Rdg report only (alert) all year
001BCyanide, total [as CN]Single Rdg report only (alert) all year
001BBeryllium, total [as Be]Single Rdg report only (alert) all year
001BBeryllium, total [as Be]Single Rdg report only (alert) all year
001BCadmium, total [as Cd]Single Rdg report only (alert) all year
001BCadmium, total [as Cd]Single Rdg report only (alert) all year
001BChromium, total [as Cr]Single Rdg report only (alert) all year
001BChromium, total [as Cr]Single Rdg report only (alert) all year
001BLead, total dry weight [as Pb]Single Rdg report only (alert) all year
001BLead, total dry weight [as Pb]Single Rdg report only (alert) all year
001BThallium, total [as Tl]Single Rdg report only (alert) all year
001BThallium, total [as Tl]Single Rdg report only (alert) all year
001BNickel, total [as Ni]Single Rdg report only (alert) all year
001BNickel, total [as Ni]Single Rdg report only (alert) all year
001BSilver, total [as Ag]Single Rdg report only (alert) all year
001BSilver, total [as Ag]Single Rdg report only (alert) all year
001BZinc in bottom deposits [dry wgt]Single Rdg report only (alert) all year
001BZinc in bottom deposits [dry wgt]Single Rdg report only (alert) all year
001BAntimony, total [as Sb]Single Rdg report only (alert) all year
001BAntimony, total [as Sb]Single Rdg report only (alert) all year
001BSelenium, total [as Se]Single Rdg report only (alert) all year
001BSelenium, total [as Se]Single Rdg report only (alert) all year
001BTotal phenolsSingle Rdg report only all year
001BPhenolics, totalSingle Rdg report only (alert) all year
001BArsenic total, dry weight, sludgeSingle Rdg report only (alert) all year
001BArsenic total, dry weight, sludgeSingle Rdg report only (alert) all year
001BMercury, tot in bot deposits [dry wgt]Single Rdg report only (alert) all year
001BMercury, tot in bot deposits [dry wgt]Single Rdg report only (alert) all year
001BCopper, sludge, total, dry weight [as Cu]Single Rdg report only (alert) all year
001BCopper, sludge, total, dry weight [as Cu]Single Rdg report only (alert) all year
CEPCRainfall durationAVERAGE report only (alert) all year
CEPCRainfall durationAVERAGE report only (alert) all year
CEPCBOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
CEPCBOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
CEPCpHMAXIMUM report only (alert) all year
CEPCpHMAXIMUM report only (alert) all year
CEPCpHMINIMUM report only (alert) all year
CEPCpHMINIMUM report only (alert) all year
CEPCSolids, total suspendedMAXIMUM report only (alert) all year
CEPCSolids, total suspendedMAXIMUM report only (alert) all year
CEPCArsenic, total [as As]Single Rdg report only (alert) all year
CEPCArsenic, total [as As]Single Rdg report only (alert) all year
CEPCBeryllium, total [as Be]Single Rdg report only (alert) all year
CEPCBeryllium, total [as Be]Single Rdg report only (alert) all year
CEPCCadmium, total [as Cd]Single Rdg report only (alert) all year
CEPCCadmium, total [as Cd]Single Rdg report only (alert) all year
CEPCChromium, total [as Cr]Single Rdg report only (alert) all year
CEPCChromium, total [as Cr]Single Rdg report only (alert) all year
CEPCCopper, total [as Cu]Single Rdg report only (alert) all year
CEPCCopper, total [as Cu]Single Rdg report only (alert) all year
CEPCLead, total [as Pb]Single Rdg report only (alert) all year
CEPCLead, total [as Pb]Single Rdg report only (alert) all year
CEPCThallium, total [as Tl]Single Rdg report only (alert) all year
CEPCThallium, total [as Tl]Single Rdg report only (alert) all year
CEPCNickel, total [as Ni]Single Rdg report only (alert) all year
CEPCNickel, total [as Ni]Single Rdg report only (alert) all year
CEPCSilver, total [as Ag]Single Rdg report only (alert) all year
CEPCSilver, total [as Ag]Single Rdg report only (alert) all year
CEPCZinc, total [as Zn]Single Rdg report only (alert) all year
CEPCZinc, total [as Zn]Single Rdg report only (alert) all year
CEPCAntimony, total [as Sb]Single Rdg report only (alert) all year
CEPCAntimony, total [as Sb]Single Rdg report only (alert) all year
CEPCSelenium, total [as Se]Single Rdg report only (alert) all year
CEPCSelenium, total [as Se]Single Rdg report only (alert) all year
CEPCChromium, hexavalent dissolved [as Cr]Single Rdg report only (alert) all year
CEPCChromium, hexavalent dissolved [as Cr]Single Rdg report only (alert) all year
CEPCRainfallAVERAGE report only (alert) all year
CEPCRainfallAVERAGE report only (alert) all year
CEPCDurationAVERAGE report only (alert) all year
CEPCDurationAVERAGE report only (alert) all year
CEPCBOD, percent removal [total]MINIMUM report only (alert) all year
CEPCBOD, percent removal [total]MINIMUM report only (alert) all year
CEPCVolume, totalAVERAGE report only (alert) all year
CEPCVolume, totalAVERAGE report only (alert) all year
CEPCMercury, total [as Hg]Single Rdg report only (alert) all year
CEPCMercury, total [as Hg]Single Rdg report only (alert) all year
CEPCFlowMAXIMUM report only (alert) all year
CEPCFlowMAXIMUM report only (alert) all year
CEPCPressure differenceMAXIMUM report only (alert) all year
CEPCPressure differenceMAXIMUM report only (alert) all year
CEPCSolids, suspended percent removalMINIMUM report only (alert) all year
CEPCSolids, suspended percent removalMINIMUM report only (alert) all year
IN1BOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
IN1BOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN1BOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
IN1BOD, 5-day, 20 deg. CAVERAGE report only (alert) all year
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN1BOD, 5-day, 20 deg. CMAXIMUM report only (alert) all year
IN1pHSingle Rdg report only (alert) all year
IN1pHSingle Rdg report only (alert) all year
IN1Solids, total suspendedAVERAGE report only (alert) all year
IN1Solids, total suspendedAVERAGE report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedAVERAGE report only (alert) all year
IN1Solids, total suspendedAVERAGE report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Oil and grease, hexane extr methodSingle Rdg report only (alert) all year
IN1Oil and grease, hexane extr methodSingle Rdg report only (alert) all year
IN1Cyanide, total [as CN]Single Rdg report only (alert) all year
IN1Cyanide, total [as CN]Single Rdg report only (alert) all year
IN1Arsenic, total [as As]Single Rdg report only (alert) all year
IN1Arsenic, total [as As]Single Rdg report only (alert) all year
IN1Beryllium, total [as Be]Single Rdg report only (alert) all year
IN1Beryllium, total [as Be]Single Rdg report only (alert) all year
IN1Cadmium, total [as Cd]Single Rdg report only (alert) all year
IN1Cadmium, total [as Cd]Single Rdg report only (alert) all year
IN1Chromium, total [as Cr]Single Rdg report only (alert) all year
IN1Chromium, total [as Cr]Single Rdg report only (alert) all year
IN1Copper, total [as Cu]Single Rdg report only (alert) all year
IN1Copper, total [as Cu]Single Rdg report only (alert) all year
IN1Lead, total [as Pb]Single Rdg report only (alert) all year
IN1Lead, total [as Pb]Single Rdg report only (alert) all year
IN1Thallium, total [as Tl]Single Rdg report only (alert) all year
IN1Thallium, total [as Tl]Single Rdg report only (alert) all year
IN1Nickel, total [as Ni]Single Rdg report only (alert) all year
IN1Nickel, total [as Ni]Single Rdg report only (alert) all year
IN1Silver, total [as Ag]Single Rdg report only (alert) all year
IN1Silver, total [as Ag]Single Rdg report only (alert) all year
IN1Zinc, total [as Zn]Single Rdg report only (alert) all year
IN1Zinc, total [as Zn]Single Rdg report only (alert) all year
IN1Antimony, total [as Sb]Single Rdg report only (alert) all year
IN1Antimony, total [as Sb]Single Rdg report only (alert) all year
IN1Selenium, total [as Se]Single Rdg report only (alert) all year
IN1Selenium, total [as Se]Single Rdg report only (alert) all year
IN1Chromium, hexavalent dissolved [as Cr]Single Rdg report only (alert) all year
IN1Chromium, hexavalent dissolved [as Cr]Single Rdg report only (alert) all year
IN1Total phenolsSingle Rdg report only all year
IN1Phenolics, totalSingle Rdg report only (alert) all year
IN1Mercury, total [as Hg]Single Rdg report only (alert) all year
IN1Mercury, total [as Hg]Single Rdg report only (alert) all year
IN1FlowAVERAGE report only (alert) all year
IN1FlowAVERAGE report only (alert) all year
IN1FlowMAXIMUM report only (alert) all year
IN1FlowMAXIMUM report only (alert) all year

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