TOPEKA, CITY OF

NPDES permit KS0042722 · Major POTW · effective, expires 2027-01-31 · 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

20values over a limit
3required values missing, on 1 form(s)
4of 84 forms filed late

Last period with anything received: 2026-07-31. Most often over: Phosphorus, Total As P (10), Nitrogen, ammonia total [as N] (6), Solids, total suspended (4).

Reporting

Reports are due about 29 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (139)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHDAILY MN >= 6 SU all year
001pHMO AVG report only all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L all year
001Solids, total suspendedMO AVG report only all year
001Oil & GreaseMO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 2.6 mg/L Apr
001Nitrogen, ammonia total [as N]MO AVG <= 3.6 mg/L Mar
001Nitrogen, ammonia total [as N]MO AVG <= 1.8 mg/L May
001Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L Aug
001Nitrogen, ammonia total [as N]MO AVG <= 3.6 mg/L Nov
001Nitrogen, ammonia total [as N]MO AVG <= 4 mg/L Dec
001Nitrogen, ammonia total [as N]MO AVG <= 4 mg/L Jan
001Nitrogen, ammonia total [as N]MO AVG <= 1.3 mg/L Jun
001Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L Jul
001Nitrogen, ammonia total [as N]MO AVG <= 2.1 mg/L Oct
001Nitrogen, ammonia total [as N]MO AVG <= 4 mg/L Feb
001Nitrogen, ammonia total [as N]MO AVG <= 1.3 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 7.8 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 9.9 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 4.9 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 2.6 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 9.9 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 9.9 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 9.9 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 3.5 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 2.6 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 6 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 9.9 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 3.5 mg/L Sep
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Chloride [as Cl]MO AVG report only all year
001Arsenic, total recoverableMO AVG report only all year
001Selenium, total recoverableMO AVG report only all year
001Thallium, total recoverableMO AVG report only all year
001Beryllium, total recoverable [as Be]MO AVG report only all year
001Nickel, total recoverableMO AVG report only all year
001Silver total recoverableMO AVG report only all year
001Zinc, total recoverableMO AVG report only all year
001Cadmium, total recoverableMO AVG report only all year
001Lead, total recoverableMO AVG report only all year
001Chromium, total recoverableMO AVG report only all year
001Copper, total recoverableMO AVG report only all year
001Antimony, total recoverableMO AVG report only all year
001Priority PollutantsMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001E. coliMO GEO <= 2358 #/100mL Dec
001E. coliMO GEO <= 262 #/100mL Jun
001E. coliMO GEO <= 2358 #/100mL Nov
001E. coliMO GEO <= 262 #/100mL Aug
001E. coliMO GEO <= 2358 #/100mL Mar
001E. coliMO GEO <= 2358 #/100mL Jan
001E. coliMO GEO <= 262 #/100mL Apr
001E. coliMO GEO <= 262 #/100mL Jul
001E. coliMO GEO <= 262 #/100mL Oct
001E. coliMO GEO <= 262 #/100mL May
001E. coliMO GEO <= 262 #/100mL Sep
001E. coliMO GEO <= 2358 #/100mL Feb
001E. coliWE report only Dec
001E. coliWE <= 4348 #/100mL Jun
001E. coliWE report only Nov
001E. coliWE <= 4348 #/100mL Aug
001E. coliWE report only Mar
001E. coliWE report only Jan
001E. coliWE <= 4348 #/100mL Apr
001E. coliWE <= 4348 #/100mL Jul
001E. coliWE <= 4348 #/100mL Oct
001E. coliWE <= 4348 #/100mL May
001E. coliWE <= 4348 #/100mL Sep
001E. coliWE report only Feb
001E. coliMO GEO report only all year
001Nitrogen, Total As NDAILY AV report only all year
001Nitrogen, Total As NDG report only all year
001Phosphorus, Total As PDAILY AV report only all year
001Phosphorus, Total As PDG <= 133.7 lb/d all year
001Mercury, total [as Hg]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 40 mg/L all year
001Duration of dischargeMO AVG report only all year
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN >= 46 % all year
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN >= 46 % all year
002Solids, total suspendedMO AVG report only all year
002Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
002Phosphorus, total [as P]MO AVG report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
003BOD, 5-day, 20 deg. CMO AVG report only all year
003Solids, total suspendedMO AVG report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003E. coliMO GEO report only all year
003VolumeMO AVG report only all year
003Duration of dischargeMO AVG report only all year
004BOD, 5-day, 20 deg. CMO AVG report only all year
004Solids, total suspendedMO AVG report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004E. coliMO GEO report only all year
004VolumeMO AVG report only all year
004Duration of dischargeMO AVG report only all year
005BOD, 5-day, 20 deg. CMO AVG report only all year
005Solids, total suspendedMO AVG report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005E. coliMO GEO report only all year
005VolumeMO AVG report only all year
005Duration of dischargeMO AVG report only all year
006BOD, 5-day, 20 deg. CMO AVG report only all year
006Solids, total suspendedMO AVG report only all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006E. coliMO GEO report only all year
006VolumeMO AVG report only all year
006Duration of dischargeMO AVG report only all year
007BOD, 5-day, 20 deg. CMO AVG report only all year
007Solids, total suspendedMO AVG report only all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007E. coliMO GEO report only all year
007VolumeMO AVG report only all year
007Duration of dischargeMO AVG report only all year
008BOD, 5-day, 20 deg. CMO AVG report only all year
008Solids, total suspendedMO AVG report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008E. coliMO GEO report only all year
008VolumeMO AVG report only all year
008Duration of dischargeMO AVG report only all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009E. coliMO GEO <= 262 #/100mL all year
010RainfallMO AVG report only all year
011Stream flow, estimatedMO AVG report only 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