City of Spokane

NPDES permit WA0024473 · Major POTW · effective, expires 2027-08-31 · 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.

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

0values over a limit
59required values missing, on 37 form(s)
0of 139 forms filed late

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

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 (184)

OutfallParameterStatisticLimitMonths
0000FlowMAXIMUM report only (alert) all year
0000FlowMO AVG report only (alert) all year
0007Chlorine, total residualMO AVG <= 8.5 ug/L all year
0008Chlorine, total residualMO AVG <= 3.06 lb/d all year
0010Temperature, water deg. centigradeMAXIMUM report only (alert) all year
0010Oxygen, dissolved [DO]MINIMUM report only (alert) all year
0010pHMAXIMUM report only (alert) all year
0010pHMINIMUM report only (alert) all year
0010Alkalinity, total [as CaCO3]MAXIMUM report only (alert) all year
0010Alkalinity, total [as CaCO3]MO AVG report only (alert) all year
0010Solids, total suspendedMAXIMUM report only (alert) all year
0010Solids, total suspendedMO AVG report only (alert) all year
0010Solids, total suspendedMAXIMUM report only (alert) all year
0010Solids, total suspendedMO AVG report only (alert) all year
0010Nitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
0010Nitrogen, ammonia total [as N]MO AVG report only (alert) all year
0010Nitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
0010Nitrogen, ammonia total [as N]MO AVG report only (alert) all year
0010Phosphorus, total [as P]MAXIMUM report only (alert) all year
0010Phosphorus, total [as P]MO AVG report only (alert) all year
0010Phosphorus, total [as P]MAXIMUM report only (alert) all year
0010Phosphorus, total [as P]MO AVG report only (alert) all year
0010Phosphorus, dissolved reactive [drp as P]MAXIMUM report only (alert) all year
0010Phosphorus, dissolved reactive [drp as P]MO AVG report only (alert) all year
0010Hardness, total [as CaCO3]MAXIMUM report only (alert) all year
0010Hardness, total [as CaCO3]MO AVG report only (alert) all year
0010Cadmium, total [as Cd]MAXIMUM report only (alert) all year
0010Cadmium, total [as Cd]MO AVG report only (alert) all year
0010Lead, total [as Pb]MAXIMUM report only (alert) all year
0010Lead, total [as Pb]MO AVG report only (alert) all year
0010Zinc, total [as Zn]MAXIMUM report only (alert) all year
0010Zinc, total [as Zn]MO AVG report only (alert) all year
0010Polybrominated Diphenyl EthersMAXIMUM report only (alert) all year
0010Polybrominated Diphenyl EthersMO AVG report only (alert) all year
0010Polychlorinated biphenyls [PCBs]Single Rdg report only (alert) all year
0010Polychlorinated biphenyls [PCBs]MO AVG report only (alert) all year
0010Chlorine, total residualMAXIMUM report only (alert) all year
0010Chlorine, total residualMO AVG report only (alert) all year
0010E. coliMO GEOMN report only (alert) all year
0010E. coliWK GEOMN report only (alert) all year
0010Coliform, fecal generalMO GEOMN report only (alert) all year
0010Coliform, fecal generalWK GEOMN report only (alert) all year
0010BOD, carbonaceous [5 day, 20 C]MAXIMUM report only (alert) all year
0010BOD, carbonaceous [5 day, 20 C]MO AVG report only (alert) all year
0010BOD, carbonaceous [5 day, 20 C]MAXIMUM report only (alert) all year
0010BOD, carbonaceous [5 day, 20 C]MO AVG report only (alert) all year
0010Solids, suspended percent removalMO AVG report only (alert) all year
0010Carbonaceous oxygen demand, % removalMO AVG report only (alert) all year
0011Precipitation, monthly accumulationMO TOTAL report only (alert) all year
0012Bypass VolumeSingle Rdg report only (alert) all year
0013Duration of dischargeSingle Rdg report only (alert) all year
005ATemperature, water deg. centigradeMAXIMUM report only (alert) all year
005AOxygen, dissolved [DO]MINIMUM report only (alert) all year
005AAlkalinity, total [as CaCO3]MAXIMUM report only (alert) all year
005AAlkalinity, total [as CaCO3]MO AVG report only (alert) all year
005ASolids, total suspendedMO AVG <= 30 mg/L all year
005ASolids, total suspendedWKLY AVG <= 45 mg/L all year
005ASolids, total suspendedMO AVG <= 10660 lb/d all year
005ASolids, total suspendedWKLY AVG <= 15990 lb/d all year
005ASolids, total suspendedMO AVG <= 10660 lb/d all year
005AOil and grease, hexane extr methodSingle Rdg report only (alert) all year
005ANitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
005ANitrogen, ammonia total [as N]MO AVG report only (alert) all year
005ANitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
005ANitrogen, ammonia total [as N]MO AVG report only (alert) all year
005ANitrogen, Kjeldahl, total [as N]MAXIMUM report only (alert) all year
005ANitrogen, Kjeldahl, total [as N]MO AVG report only (alert) all year
005ANitrite + Nitrate total [as N]MAXIMUM report only (alert) all year
005ANitrite + Nitrate total [as N]MO AVG report only (alert) all year
005APhosphorus, total [as P]MAXIMUM report only (alert) all year
005APhosphorus, total [as P]MO AVG report only (alert) all year
005APhosphorus, total [as P]MAXIMUM report only (alert) all year
005APhosphorus, total [as P]MO AVG report only (alert) all year
005APhosphorus, dissolved reactive [drp as P]MAXIMUM report only (alert) all year
005APhosphorus, dissolved reactive [drp as P]MO AVG report only (alert) all year
005ACyanide, total [as CN]Single Rdg report only (alert) all year
005AHardness, total [as CaCO3]MAXIMUM report only (alert) all year
005AHardness, total [as CaCO3]MO AVG report only (alert) all year
005AChloride [as Cl]Single Rdg report only (alert) all year
005AArsenic, total [as As]Single Rdg report only (alert) all year
005ABeryllium, total [as Be]Single Rdg report only (alert) all year
005ACadmium, total [as Cd]MO AVG <= .066 ug/L all year
005AChromium, hexavalent [as Cr]Single Rdg report only (alert) all year
005AChromium, trivalent [as Cr]Single Rdg report only (alert) all year
005AChromium, total [as Cr]Single Rdg report only (alert) all year
005ACopper, total [as Cu]Single Rdg report only (alert) all year
005ALead, total [as Pb]MO AVG <= .583 ug/L all year
005AThallium, total [as Tl]Single Rdg report only (alert) all year
005AMolybdenum, total [as Mo]Single Rdg report only (alert) all year
005ANickel, total [as Ni]Single Rdg report only (alert) all year
005ASilver, total [as Ag]Single Rdg report only (alert) all year
005AZinc, total [as Zn]MO AVG <= 46.7 ug/L all year
005AAntimony, total [as Sb]Single Rdg report only (alert) all year
005AAluminum, total [as Al]Single Rdg report only (alert) all year
005ASelenium, total [as Se]Single Rdg report only (alert) all year
005APolybrominated Diphenyl EthersSingle Rdg report only (alert) all year
005ATolueneSingle Rdg report only (alert) all year
005ABenzeneSingle Rdg report only (alert) all year
005AEthylbenzeneSingle Rdg report only (alert) all year
005APolychlorinated biphenyls [PCBs]Single Rdg report only (alert) all year
005APolychlorinated biphenyls [PCBs]MAXIMUM <= 1994 pg/L all year
005APolychlorinated biphenyls [PCBs]MO AVG <= 720 pg/L all year
005AE. coliMO GEOMN <= 100 #/100mL all year
005AE. coliWK GEOMN <= 150 #/100mL all year
005AOil & grease, non-polar materialSingle Rdg report only (alert) all year
005ApH, maximumDAILY MX <= 9 SU all year
005ApH, minimumDAILY MN >= 6 SU all year
005ASolids, total dissolvedSingle Rdg report only (alert) all year
005AMercury, total [as Hg]Single Rdg report only (alert) all year
005AColiform, fecal generalWK GEOMN report only (alert) all year
005AColiform, fecal generalMO GEOMN report only (alert) all year
005AFlowMAXIMUM report only (alert) all year
005AFlowMO AVG report only (alert) all year
005ABOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
005ABOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
005ABOD, carbonaceous [5 day, 20 C]MO AVG <= 14199 lb/d all year
005ABOD, carbonaceous [5 day, 20 C]MO AVG <= 14199 lb/d all year
005ABOD, carbonaceous [5 day, 20 C]WKLY AVG <= 22718 lb/d all year
005ABOD, carbonaceous [5 day, 20 C]WKLY AVG <= 22718 lb/d all year
005ASolids, suspended percent removalMO AV MN >= 85 % all year
005ACarbonaceous oxygen demand, % removalMO AV MN >= 85 % all year
005AXylene [mix of m+o+p]Single Rdg report only (alert) all year
005ATCDD equivalentsSingle Rdg report only (alert) all year
IN1Temperature, water deg. centigradeMAXIMUM 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. CMAXIMUM 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 suspendedMO AVG report only (alert) all year
IN1Solids, total suspendedMAXIMUM report only (alert) all year
IN1Solids, total suspendedMO AVG report only (alert) all year
IN1Oil and grease, hexane extr methodSingle Rdg report only (alert) all year
IN1Nitrogen, ammonia total [as N]MAXIMUM report only (alert) all year
IN1Nitrogen, ammonia total [as N]MO AVG report only (alert) all year
IN1Phosphorus, total [as P]MAXIMUM report only (alert) all year
IN1Phosphorus, total [as P]MO AVG report only (alert) all year
IN1Cyanide, total [as CN]Single Rdg report only (alert) all year
IN1Chloride [as Cl]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
IN1Cadmium, total [as Cd]Single Rdg report only (alert) all year
IN1Chromium, hexavalent [as Cr]Single Rdg report only (alert) all year
IN1Chromium, trivalent [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
IN1Lead, total [as Pb]Single Rdg report only (alert) all year
IN1Thallium, total [as Tl]Single Rdg report only (alert) all year
IN1Molybdenum, total [as Mo]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
IN1Zinc, total [as Zn]Single Rdg report only (alert) all year
IN1Antimony, total [as Sb]Single Rdg report only (alert) all year
IN1Aluminum, total [as Al]Single Rdg report only (alert) all year
IN1Selenium, total [as Se]Single Rdg report only (alert) all year
IN1Total phenolsSingle Rdg report only all year
IN1Polybrominated Diphenyl EthersSingle Rdg report only (alert) all year
IN1TolueneSingle Rdg report only (alert) all year
IN1BenzeneSingle Rdg report only (alert) all year
IN1Phenolics, totalSingle Rdg report only (alert) all year
IN1EthylbenzeneSingle Rdg report only (alert) all year
IN12,3,7,8-Tetrachlorodibenzo-p-dioxinSingle Rdg report only (alert) all year
IN1Polychlorinated biphenyls [PCBs]Single Rdg report only (alert) all year
IN1PhenolsSingle Rdg report only (alert) all year
IN1Oil & grease, non-polar materialSingle Rdg report only (alert) all year
IN1pH, maximumMAXIMUM report only (alert) all year
IN1pH, minimumMINIMUM report only (alert) all year
IN1Solids, total dissolvedSingle Rdg report only (alert) all year
IN1Mercury, total [as Hg]Single Rdg report only (alert) all year
IN1FlowMAXIMUM report only (alert) Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
IN1FlowMAXIMUM report only (alert) Jan, Feb, Nov, Dec
IN1FlowMO AVG report only (alert) Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
IN1FlowMO AVG report only (alert) Jan, Feb, Nov, Dec
IN1BOD, carbonaceous [5 day, 20 C]MAXIMUM report only (alert) all year
IN1BOD, carbonaceous [5 day, 20 C]MO AVG report only (alert) all year
IN1BOD, carbonaceous [5 day, 20 C]MAXIMUM report only (alert) all year
IN1BOD, carbonaceous [5 day, 20 C]MO AVG report only (alert) all year
IN1Xylene [mix of m+o+p]Single Rdg report only (alert) all year
SHI1Chlorine, total residualMAXIMUM <= 22 ug/L all year
SHI1Chlorine, total residualMAXIMUM <= 17.5 lb/d all year
SHI2Chlorine, total residualMAXIMUM <= 22 ug/L all year
SHI2Chlorine, total residualMAXIMUM <= 17.5 lb/d all year
SHI3Chlorine, total residualMAXIMUM <= 22 ug/L all year
SHI3Chlorine, total residualMAXIMUM <= 17.5 lb/d 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