ATCHISON, CITY OF

NPDES permit KS0039128 · Major POTW · effective, expires 2028-12-31 · 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
0required values missing, on 0 form(s)
1of 109 forms filed late

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

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 (91)

OutfallParameterStatisticLimitMonths
001ConductivityMO AVG report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L all year
001pHDAILY MN >= 6 SU all year
001pHMO AVG report only all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMX WK AV <= 45 mg/L 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 report only all year
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
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
001E. coliMO GEO <= 262 #/100mL Aug
001E. coliMO GEO <= 262 #/100mL Apr
001E. coliMO GEO <= 262 #/100mL May
001E. coliMO GEO <= 2358 #/100mL Nov
001E. coliMO GEO <= 2358 #/100mL Feb
001E. coliMO GEO <= 2358 #/100mL Jan
001E. coliMO GEO <= 262 #/100mL Jul
001E. coliMO GEO <= 262 #/100mL Jun
001E. coliMO GEO <= 2358 #/100mL Mar
001E. coliMO GEO <= 262 #/100mL Oct
001E. coliMO GEO <= 262 #/100mL Sep
001E. coliMO GEO <= 2358 #/100mL Dec
001E. coliWE <= 4348 #/100mL Aug
001E. coliWE <= 4348 #/100mL Apr
001E. coliWE <= 4348 #/100mL May
001E. coliWE report only Nov
001E. coliWE report only Feb
001E. coliWE report only Jan
001E. coliWE <= 4348 #/100mL Jul
001E. coliWE <= 4348 #/100mL Jun
001E. coliWE report only Mar
001E. coliWE <= 4348 #/100mL Oct
001E. coliWE <= 4348 #/100mL Sep
001E. coliWE report only Dec
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 report only all year
001Mercury, total [as Hg]MO AVG report only all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaDAILY MN >= 51 % all year
001LC50 Static 48Hr Acute Pimephales promelasDAILY MN >= 51 % all year
002BOD, 5-day, 20 deg. CMO AVG report only 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
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Duration of dischargeMO AVG report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Duration of dischargeMO AVG report only all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Duration of dischargeMO AVG report only all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Duration of dischargeMO AVG report only all year
008Flow, in conduit or thru treatment plantMO 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
009Duration of dischargeMO AVG report only all year
010RainfallMO AVG report only all year
011BOD, 5-day, 20 deg. CMO AVG report only all year
011Solids, total suspendedMO AVG report only all year
011Nitrogen, ammonia total [as N]MO AVG report only all year
011Flow, in conduit or thru treatment plantMO AVG report only all year
011E. coliMO GEO report only all year
011Duration of dischargeMO AVG report only all year
014BOD, 5-day, 20 deg. CMO AVG report only all year
014Solids, total suspendedMO AVG report only all year
014Nitrogen, ammonia total [as N]MO AVG report only all year
014Flow, in conduit or thru treatment plantMO AVG report only all year
014E. coliMO GEO report only all year
014Duration of dischargeMO 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