HAYS, CITY OF

NPDES permit KS0100820 · Major POTW · effective, expires 2030-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

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

Reporting

Reports are due about 29 days after each monitoring period ends (the most common figure among KS permits in EPA's filings — check your permit).

Limits in force (122)

OutfallParameterStatisticLimitMonths
001ConductivityMO AVG report only all year
001Oxygen, dissolved [DO]MO AVG report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 25 mg/L Jan
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L Mar
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L Jun
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L Sep
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L Oct
001BOD, 5-day, 20 deg. CMO AVG <= 25 mg/L Dec
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L Aug
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L May
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L Apr
001BOD, 5-day, 20 deg. CMO AVG <= 25 mg/L Nov
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L Jul
001BOD, 5-day, 20 deg. CMO AVG <= 25 mg/L Feb
001BOD, 5-day, 20 deg. CMX WK AV <= 40 mg/L Jan
001BOD, 5-day, 20 deg. CMX WK AV <= 30 mg/L Mar
001BOD, 5-day, 20 deg. CMX WK AV <= 30 mg/L Jun
001BOD, 5-day, 20 deg. CMX WK AV <= 30 mg/L Sep
001BOD, 5-day, 20 deg. CMX WK AV <= 30 mg/L Oct
001BOD, 5-day, 20 deg. CMX WK AV <= 40 mg/L Dec
001BOD, 5-day, 20 deg. CMX WK AV <= 30 mg/L Aug
001BOD, 5-day, 20 deg. CMX WK AV <= 30 mg/L May
001BOD, 5-day, 20 deg. CMX WK AV <= 30 mg/L Apr
001BOD, 5-day, 20 deg. CMX WK AV <= 40 mg/L Nov
001BOD, 5-day, 20 deg. CMX WK AV <= 30 mg/L Jul
001BOD, 5-day, 20 deg. CMX WK AV <= 40 mg/L Feb
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 <= .9 mg/L May
001Nitrogen, ammonia total [as N]MO AVG <= 2.2 mg/L Feb
001Nitrogen, ammonia total [as N]MO AVG <= 1.2 mg/L Apr
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 2.2 mg/L Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L Sep
001Nitrogen, ammonia total [as N]MO AVG <= .7 mg/L Jun
001Nitrogen, ammonia total [as N]MO AVG <= 2.2 mg/L Nov
001Nitrogen, ammonia total [as N]MO AVG <= 1.6 mg/L Oct
001Nitrogen, ammonia total [as N]MO AVG <= 2.2 mg/L Jan
001Nitrogen, ammonia total [as N]MO AVG <= .6 mg/L Jul
001Nitrogen, ammonia total [as N]MO AVG <= .7 mg/L Aug
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 3.9 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 9 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 5.5 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 9 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 4.2 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 2.8 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 9 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 7.9 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 9 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 2.4 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 2.8 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 7.4 mg/L Mar
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrite + Nitrate 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
001Sulfate, total [as SO4]MO AVG report only all year
001Sulfate, total [as SO4]MO AVG report only all year
001Arsenic, total recoverableMO AVG report only all year
001Selenium, 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 <= 160 #/100mL Jul
001E. coliMO GEO <= 160 #/100mL May
001E. coliMO GEO <= 2358 #/100mL Mar
001E. coliMO GEO <= 160 #/100mL Apr
001E. coliMO GEO <= 160 #/100mL Aug
001E. coliMO GEO <= 2358 #/100mL Jan
001E. coliMO GEO <= 160 #/100mL Jun
001E. coliMO GEO <= 2358 #/100mL Nov
001E. coliMO GEO <= 160 #/100mL Oct
001E. coliMO GEO <= 2358 #/100mL Dec
001E. coliMO GEO <= 2358 #/100mL Feb
001E. coliMO GEO <= 160 #/100mL Sep
001E. coliWE <= 4348 #/100mL Jul
001E. coliWE <= 4348 #/100mL May
001E. coliWE report only Mar
001E. coliWE <= 4348 #/100mL Apr
001E. coliWE <= 4348 #/100mL Aug
001E. coliWE report only Jan
001E. coliWE <= 4348 #/100mL Jun
001E. coliWE report only Nov
001E. coliWE <= 4348 #/100mL Oct
001E. coliWE report only Dec
001E. coliWE report only Feb
001E. coliWE <= 4348 #/100mL Sep
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 <= 31.3 lb/d all year
001Nitrite + Nitrate total [as N]DAILY AV report only all year
001Nitrite + Nitrate total [as N]DG <= 167.1 lb/d all year
001Mercury, total [as Hg]MO AVG report only all year
001SulfateDAILY AV report only all year
001SulfateDG report only all year
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN >= 79 % all year
001IC25 Static Renewal 7 Day Chronic ChrpimephalesDAILY MN >= 79 % all year
002E. coliMO GEO report only all year
003BOD, 5-day, 20 deg. CMO AVG report only all year
003Solids, total suspendedMO AVG report only all year
003Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
003Phosphorus, total [as P]MO AVG report only all year
003Flow, in conduit or thru treatment plantMO 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