City of Othello

NPDES permit WA0022357 · Minor POTW · administratively continued, expires 2025-09-30 · 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 2025-09-30 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

32values over a limit
0required values missing, on 0 form(s)
0of 55 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, 5-day, 20 deg. C (11), Solids, total suspended (6), Solids, suspended percent removal (5).

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 (206)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMAXIMUM report only (alert) all year
001Temperature, water deg. centigradeMAXIMUM report only (alert) all year
001Oxygen, dissolved [DO]DAILY MN >= 2.9 mg/L all year
001Oxygen, dissolved [DO]DAILY MN >= 2.9 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 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. CMO AVG <= 390 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG <= 390 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 585 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 585 lb/d all year
001Solids, total suspendedMO AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 45 mg/L all year
001Solids, total suspendedWKLY AVG <= 65 mg/L all year
001Solids, total suspendedWKLY AVG <= 65 mg/L all year
001Solids, total suspendedMO AVG <= 776 lb/d all year
001Solids, total suspendedMO AVG <= 776 lb/d all year
001Solids, total suspendedWKLY AVG <= 1163 lb/d all year
001Solids, total suspendedWKLY AVG <= 1163 lb/d all year
001Nitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
001Nitrogen, ammonia total [as N]MO AVG <= 11.5 mg/L (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]MO AVG <= 5.8 ug/L all year
001Cyanide, total [as CN]MO AVG <= 5.8 ug/L all year
001Hardness, total [as CaCO3]MAXIMUM report only (alert) all year
001Hardness, total [as CaCO3]MAXIMUM report only (alert) all year
001Arsenic, total [as As]MAXIMUM report only (alert) all year
001Arsenic, total [as As]MAXIMUM report only (alert) all year
001Beryllium, total [as Be]MAXIMUM report only (alert) all year
001Beryllium, total [as Be]MAXIMUM report only (alert) all year
001Cadmium, total [as Cd]MAXIMUM report only (alert) all year
001Cadmium, total [as Cd]MAXIMUM report only (alert) all year
001Chromium, hexavalent [as Cr]MAXIMUM report only (alert) all year
001Chromium, hexavalent [as Cr]MAXIMUM report only (alert) all year
001Copper, dissolved [as Cu]MO AVG <= 17.3 ug/L all year
001Copper, dissolved [as Cu]MO AVG <= 17.3 ug/L all year
001Copper, total [as Cu]MAXIMUM report only (alert) all year
001Copper, total [as Cu]MAXIMUM report only (alert) all year
001Lead, total [as Pb]MAXIMUM report only (alert) all year
001Lead, total [as Pb]MAXIMUM report only (alert) all year
001Thallium, total [as Tl]MAXIMUM report only (alert) all year
001Thallium, total [as Tl]MAXIMUM report only (alert) all year
001Nickel, dissolved [as Ni]MO AVG <= 287 ug/L all year
001Nickel, dissolved [as Ni]MO AVG <= 287 ug/L all year
001Nickel, total [as Ni]MAXIMUM report only (alert) all year
001Nickel, total [as Ni]MAXIMUM report only (alert) all year
001Silver, total [as Ag]MAXIMUM report only (alert) all year
001Silver, total [as Ag]MAXIMUM report only (alert) all year
001Zinc, dissolved [as Zn]MO AVG <= 112 ug/L all year
001Zinc, dissolved [as Zn]MO AVG <= 112 ug/L all year
001Zinc, total [as Zn]MAXIMUM report only (alert) all year
001Zinc, total [as Zn]MAXIMUM report only (alert) all year
001Antimony, total [as Sb]MAXIMUM report only (alert) all year
001Antimony, total [as Sb]MAXIMUM report only (alert) all year
001Selenium, total [as Se]MAXIMUM report only (alert) all year
001Selenium, total [as Se]MAXIMUM report only (alert) all year
001PhenolsMAXIMUM report only (alert) all year
001PhenolsMAXIMUM report only (alert) all year
001Chlorine, total residualMO AVG <= 7.2 ug/L all year
001Chlorine, total residualMO AVG <= 7.2 ug/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
001Mercury, dissolved [as Hg]MO AVG <= 13.5 ng/L all year
001Mercury, dissolved [as Hg]MO AVG <= 13.5 ng/L all year
001Mercury, total [as Hg]MAXIMUM report only (alert) all year
001Mercury, total [as Hg]MAXIMUM report only (alert) all year
001Coliform, fecal generalMO GEOMN report only (alert) all year
001Coliform, fecal generalWK GEOMN <= 540 #/100mL (alert) all year
001FlowMAXIMUM report only (alert) all year
001FlowMAXIMUM report only (alert) all year
001FlowMO AVG report only (alert) all year
001FlowMO AVG report only (alert) all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
002Chlorine, total residualMAXIMUM report only (alert) all year
002Chlorine, total residualMAXIMUM report only (alert) all year
002Chlorine, total residualMO AVG report only (alert) all year
002Chlorine, total residualMO AVG 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. CMO AVG report only (alert) all year
IN1BOD, 5-day, 20 deg. CMO AVG 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. CMO AVG report only (alert) all year
IN1BOD, 5-day, 20 deg. CMO AVG report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedMO AVG report only (alert) all year
IN1Solids, total suspendedMO AVG report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedMO AVG report only (alert) all year
IN1Solids, total suspendedMO AVG report only (alert) all year
IN1Cyanide, total [as CN]MAXIMUM report only (alert) all year
IN1Cyanide, total [as CN]MAXIMUM report only (alert) all year
IN1Hardness, total [as CaCO3]MAXIMUM report only (alert) all year
IN1Hardness, total [as CaCO3]MAXIMUM report only (alert) all year
IN1Arsenic, total [as As]MAXIMUM report only (alert) all year
IN1Arsenic, total [as As]MAXIMUM report only (alert) all year
IN1Beryllium, total [as Be]MAXIMUM report only (alert) all year
IN1Beryllium, total [as Be]MAXIMUM report only (alert) all year
IN1Cadmium, total [as Cd]MAXIMUM report only (alert) all year
IN1Cadmium, total [as Cd]MAXIMUM report only (alert) all year
IN1Chromium, hexavalent [as Cr]MAXIMUM report only (alert) all year
IN1Chromium, hexavalent [as Cr]MAXIMUM report only (alert) all year
IN1Copper, total [as Cu]MAXIMUM report only (alert) all year
IN1Copper, total [as Cu]MAXIMUM report only (alert) all year
IN1Lead, total [as Pb]MAXIMUM report only (alert) all year
IN1Lead, total [as Pb]MAXIMUM report only (alert) all year
IN1Thallium, total [as Tl]MAXIMUM report only (alert) all year
IN1Thallium, total [as Tl]MAXIMUM report only (alert) all year
IN1Nickel, total [as Ni]MAXIMUM report only (alert) all year
IN1Nickel, total [as Ni]MAXIMUM report only (alert) all year
IN1Silver, total [as Ag]MAXIMUM report only (alert) all year
IN1Silver, total [as Ag]MAXIMUM report only (alert) all year
IN1Zinc, total [as Zn]MAXIMUM report only (alert) all year
IN1Zinc, total [as Zn]MAXIMUM report only (alert) all year
IN1Antimony, total [as Sb]MAXIMUM report only (alert) all year
IN1Antimony, total [as Sb]MAXIMUM report only (alert) all year
IN1Selenium, total [as Se]MAXIMUM report only (alert) all year
IN1Selenium, total [as Se]MAXIMUM report only (alert) all year
IN1PhenolsMAXIMUM report only (alert) all year
IN1PhenolsMAXIMUM report only (alert) all year
IN1Mercury, total [as Hg]MAXIMUM report only (alert) all year
IN1Mercury, total [as Hg]MAXIMUM report only (alert) all year
IN1FlowMAXIMUM report only (alert) all year
IN1FlowMAXIMUM report only (alert) all year
IN1FlowMO AVG report only (alert) all year
IN1FlowMO AVG report only (alert) all year
MW2EpHMAXIMUM report only (alert) all year
MW2EpHMAXIMUM report only (alert) all year
MW2EAlkalinity, total [as CaCO3]MAXIMUM report only (alert) all year
MW2EAlkalinity, total [as CaCO3]MAXIMUM report only (alert) all year
MW2ENitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
MW2ENitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
MW2ENitrite + Nitrate total [as N]MAXIMUM report only (alert) all year
MW2ENitrite + Nitrate total [as N]MAXIMUM report only (alert) all year
MW2ECyanide, total [as CN]MAXIMUM report only (alert) all year
MW2ECyanide, total [as CN]MAXIMUM report only (alert) all year
MW2EHardness, total [as CaCO3]MAXIMUM report only (alert) all year
MW2EHardness, total [as CaCO3]MAXIMUM report only (alert) all year
MW2EChloride [as Cl]MAXIMUM report only (alert) all year
MW2EChloride [as Cl]MAXIMUM report only (alert) all year
MW2EArsenic, total [as As]MAXIMUM report only (alert) all year
MW2EArsenic, total [as As]MAXIMUM report only (alert) all year
MW2EChromium, total [as Cr]MAXIMUM report only (alert) all year
MW2EChromium, total [as Cr]MAXIMUM report only (alert) all year
MW2ECopper, total [as Cu]MAXIMUM report only (alert) all year
MW2ECopper, total [as Cu]MAXIMUM report only (alert) all year
MW2ENickel, total [as Ni]MAXIMUM report only (alert) all year
MW2ENickel, total [as Ni]MAXIMUM report only (alert) all year
MW2EZinc, total [as Zn]MAXIMUM report only (alert) all year
MW2EZinc, total [as Zn]MAXIMUM report only (alert) all year
MW2ESolids, total dissolvedMAXIMUM report only (alert) all year
MW2ESolids, total dissolvedMAXIMUM report only (alert) all year
MW2EMercury, total [as Hg]MAXIMUM report only (alert) all year
MW2EMercury, total [as Hg]MAXIMUM report only (alert) all year
MW2EDepth to water level ft below landsurfaceMAXIMUM report only (alert) all year
MW2EDepth to water level ft below landsurfaceMAXIMUM report only (alert) all year
MW2EColiform, fecal generalMAXIMUM report only (alert) all year
MW2EColiform, fecal generalMAXIMUM report only (alert) all year
MW2WpHMAXIMUM report only (alert) all year
MW2WpHMAXIMUM report only (alert) all year
MW2WAlkalinity, total [as CaCO3]MAXIMUM report only (alert) all year
MW2WAlkalinity, total [as CaCO3]MAXIMUM report only (alert) all year
MW2WNitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
MW2WNitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
MW2WNitrite + Nitrate total [as N]MAXIMUM report only (alert) all year
MW2WNitrite + Nitrate total [as N]MAXIMUM report only (alert) all year
MW2WCyanide, total [as CN]MAXIMUM report only (alert) all year
MW2WCyanide, total [as CN]MAXIMUM report only (alert) all year
MW2WHardness, total [as CaCO3]MAXIMUM report only (alert) all year
MW2WHardness, total [as CaCO3]MAXIMUM report only (alert) all year
MW2WChloride [as Cl]MAXIMUM report only (alert) all year
MW2WChloride [as Cl]MAXIMUM report only (alert) all year
MW2WArsenic, total [as As]MAXIMUM report only (alert) all year
MW2WArsenic, total [as As]MAXIMUM report only (alert) all year
MW2WChromium, total [as Cr]MAXIMUM report only (alert) all year
MW2WChromium, total [as Cr]MAXIMUM report only (alert) all year
MW2WCopper, total [as Cu]MAXIMUM report only (alert) all year
MW2WCopper, total [as Cu]MAXIMUM report only (alert) all year
MW2WNickel, total [as Ni]MAXIMUM report only (alert) all year
MW2WNickel, total [as Ni]MAXIMUM report only (alert) all year
MW2WZinc, total [as Zn]MAXIMUM report only (alert) all year
MW2WZinc, total [as Zn]MAXIMUM report only (alert) all year
MW2WSolids, total dissolvedMAXIMUM report only (alert) all year
MW2WSolids, total dissolvedMAXIMUM report only (alert) all year
MW2WMercury, total [as Hg]MAXIMUM report only (alert) all year
MW2WMercury, total [as Hg]MAXIMUM report only (alert) all year
MW2WDepth to water level ft below landsurfaceMAXIMUM report only (alert) all year
MW2WDepth to water level ft below landsurfaceMAXIMUM report only (alert) all year
MW2WColiform, fecal generalMAXIMUM report only (alert) all year
MW2WColiform, fecal generalMAXIMUM report only (alert) all year

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