City of Lynnwood

NPDES permit WA0024031 · Major POTW · administratively continued, expires 2024-02-29 · 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 2024-02-29 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 34 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 (179)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MN report only (alert) all year
001Temperature, water deg. centigradeDAILY MN report only (alert) all year
001Temperature, water deg. centigradeDAILY MX report only (alert) all year
001Temperature, water deg. centigradeDAILY MX 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
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 <= 1851 lb/d all year
001Solids, total suspendedAVERAGE <= 1851 lb/d all year
001Solids, total suspendedWKLY AVG <= 2777 lb/d all year
001Solids, total suspendedWKLY AVG <= 2777 lb/d all year
001Oil and grease [soxhlet extr.] tot.Single Rdg report only (alert) all year
001Oil and grease [soxhlet extr.] tot.Single Rdg report only (alert) all year
001Nitrogen, ammonia total [as N]Single Rdg report only (alert) all year
001Nitrogen, ammonia total [as N]Single Rdg report only (alert) all year
001Nitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
001Nitrogen, Kjeldahl, total [as N]Single Rdg report only (alert) all year
001Nitrite + Nitrate total [as N]Single Rdg report only (alert) all year
001Nitrite + Nitrate total [as N]Single Rdg report only (alert) all year
001Phosphorus, total [as P]Single Rdg report only (alert) all year
001Phosphorus, total [as P]Single Rdg report only (alert) all year
001Phosphorus, dissolved reactive [drp as P]Single Rdg report only (alert) all year
001Phosphorus, dissolved reactive [drp as P]Single Rdg 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
001Phenolics, totalSingle Rdg report only (alert) all year
001Chlorine, total residualAVERAGE <= 278 ug/L all year
001Chlorine, total residualAVERAGE <= 278 ug/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
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
001BOD, carbonaceous [5 day, 20 C]AVERAGE <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]AVERAGE <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]AVERAGE <= 1543 lb/d all year
001BOD, carbonaceous [5 day, 20 C]AVERAGE <= 1543 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 2469 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 2469 lb/d all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Carbonaceous oxygen demand, % removalMO AV MN >= 85 % all year
001Carbonaceous oxygen demand, % 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
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
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 [soxhlet extr.] tot.Single Rdg report only (alert) all year
IN1Oil and grease [soxhlet extr.] tot.Single 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
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
IN1BOD, carbonaceous [5 day, 20 C]AVERAGE report only (alert) all year
IN1BOD, carbonaceous [5 day, 20 C]AVERAGE report only (alert) all year
IN1BOD, carbonaceous [5 day, 20 C]MAXIMUM report only (alert) all year
IN1BOD, carbonaceous [5 day, 20 C]MAXIMUM report only (alert) all year

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