Evergy, Inc.

NPDES permit MO0004855 · Major NON-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

1values over a limit
0required values missing, on 0 form(s)
0of 85 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MO permits in EPA's filings — check your permit).

Limits in force (190)

OutfallParameterStatisticLimitMonths
002Temperature, water deg. fahrenheitDAILY MX report only all year
002Temperature, water deg. fahrenheitMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedDAILY MX <= 50 mg/L all year
005Solids, total suspendedMO AVG <= 50 mg/L all year
005Oil and grease [soxhlet extr.] tot.DAILY MX <= 20 mg/L all year
005Oil and grease [soxhlet extr.] tot.MO AVG <= 15 mg/L all year
005Nitrogen, ammonia total [as N]DAILY MX report only all year
005Nitrogen, ammonia total [as N]MO AVG report only all year
005Nitrite + Nitrate total [as N]DAILY MX report only all year
005Nitrite + Nitrate total [as N]MO AVG report only all year
005Phosphorus, total [as P]DAILY MX report only all year
005Phosphorus, total [as P]MO AVG report only all year
005Chloride [as Cl]DAILY MX report only all year
005Chloride [as Cl]MO AVG report only all year
005Sulfate, total [as SO4]DAILY MX report only all year
005Sulfate, total [as SO4]MO AVG report only all year
005Selenium, total recoverableDAILY MX report only all year
005Selenium, total recoverableMO AVG report only all year
005Thallium, total recoverableDAILY MX report only all year
005Thallium, total recoverableMO AVG report only all year
005Aluminum, total [as Al]DAILY MX report only all year
005Aluminum, total [as Al]MO AVG report only all year
005Cadmium, total recoverableDAILY MX report only all year
005Cadmium, total recoverableMO AVG report only all year
005Lead, total recoverableDAILY MX report only all year
005Lead, total recoverableMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Chlorine, total residualDAILY MX <= 19 ug/L all year
005Chlorine, total residualMO AVG <= 9.5 ug/L all year
005Nitrogen, Kjeldahl, total [TKN] [water]DAILY MX report only all year
005Nitrogen, Kjeldahl, total [TKN] [water]MO AVG report only all year
005Toxicity [chronic], Ceriodaphnia dubiaVALUE report only all year
005Toxicity [chronic], Pimephales promelas [Fathead Minnow]VALUE report only all year
005Mercury, total recoverableDAILY MX report only all year
005Mercury, total recoverableMO AVG report only all year
005Chlorides + SulfatesDAILY MX report only all year
005Chlorides + SulfatesMO AVG report only all year
006Sulfate [as S]DAILY MX report only all year
006Sulfate [as S]MO AVG report only all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Solids, total suspendedDAILY MX <= 100 mg/L all year
006Solids, total suspendedMO AVG <= 30 mg/L all year
006Oil and grease [soxhlet extr.] tot.DAILY MX <= 20 mg/L all year
006Oil and grease [soxhlet extr.] tot.MO AVG <= 15 mg/L all year
006Nitrogen, ammonia total [as N]DAILY MX report only all year
006Nitrogen, ammonia total [as N]MO AVG report only all year
006Nitrite + Nitrate total [as N]DAILY MX report only all year
006Nitrite + Nitrate total [as N]MO AVG report only all year
006Phosphorus, total [as P]DAILY MX report only all year
006Phosphorus, total [as P]MO AVG report only all year
006Chloride [as Cl]DAILY MX report only all year
006Chloride [as Cl]MO AVG report only all year
006Selenium, total recoverableDAILY MX report only all year
006Selenium, total recoverableMO AVG report only all year
006Thallium, total recoverableDAILY MX report only all year
006Thallium, total recoverableMO AVG report only all year
006Aluminum, total recoverableDAILY MX report only all year
006Aluminum, total recoverableMO AVG report only all year
006Cadmium, total recoverableDAILY MX report only all year
006Cadmium, total recoverableMO AVG report only all year
006Lead, total recoverableDAILY MX report only all year
006Lead, total recoverableMO AVG report only all year
006Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
006Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
006Chromium, trivalent total recoverableDAILY MX report only all year
006Chromium, trivalent total recoverableMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Chlorine, total residualDAILY MX report only all year
006Chlorine, total residualMO AVG report only all year
006Nitrogen, Kjeldahl, total [TKN] [water]DAILY MX report only all year
006Nitrogen, Kjeldahl, total [TKN] [water]MO AVG report only all year
006Toxicity [chronic], Ceriodaphnia dubiaVALUE report only all year
006Toxicity [chronic], Pimephales promelas [Fathead Minnow]VALUE report only all year
006Mercury, total recoverableDAILY MX report only all year
006Mercury, total recoverableMO AVG report only all year
006Chlorides + SulfatesDAILY MX report only all year
006Chlorides + SulfatesMO AVG report only all year
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedDAILY MX <= 100 mg/L all year
008Solids, total suspendedMO AVG <= 30 mg/L all year
008Oil and grease [soxhlet extr.] tot.DAILY MX <= 20 mg/L all year
008Oil and grease [soxhlet extr.] tot.MO AVG <= 15 mg/L all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]MO AVG report only all year
008Nitrite + Nitrate total [as N]DAILY MX report only all year
008Nitrite + Nitrate total [as N]MO AVG report only all year
008Phosphorus, total [as P]DAILY MX report only all year
008Phosphorus, total [as P]MO AVG report only all year
008Selenium, total recoverableDAILY MX report only all year
008Selenium, total recoverableMO AVG report only all year
008Thallium, total recoverableDAILY MX report only all year
008Thallium, total recoverableMO AVG report only all year
008Aluminum, total recoverableDAILY MX report only all year
008Aluminum, total recoverableMO AVG report only all year
008Cadmium, total recoverableDAILY MX report only all year
008Cadmium, total recoverableMO AVG report only all year
008Lead, total recoverableDAILY MX report only all year
008Lead, total recoverableMO AVG report only all year
008Copper, total recoverableDAILY MX report only all year
008Copper, total recoverableMO AVG report only all year
008Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
008Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
008Chromium, trivalent total recoverableDAILY MX report only all year
008Chromium, trivalent total recoverableMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Nitrogen, Kjeldahl, total [TKN] [water]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [TKN] [water]MO AVG report only all year
008Toxicity [acute], Ceriodaphnia dubiaVALUE report only all year
008Toxicity [acute], Pimephales promelas [Fathead Minnow]VALUE report only all year
008Mercury, total recoverableDAILY MX report only all year
008Mercury, total recoverableMO AVG report only all year
009Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
009pHMINIMUM report only all year
009pHMAXIMUM report only all year
009Solids, total suspendedDAILY MX report only all year
009Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
009Selenium, total recoverableDAILY MX report only all year
009Aluminum, total recoverableDAILY MX report only all year
009Copper, total recoverableDAILY MX report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Flow, in conduit or thru treatment plantVALUE report only all year
04ATemperature, water deg. fahrenheitDAILY MX report only all year
04ATemperature, water deg. fahrenheitMO AVG report only all year
04AFlow, in conduit or thru treatment plantDAILY MX report only all year
04AFlow, in conduit or thru treatment plantMO AVG report only all year
04AFlow, in conduit or thru treatment plantDAILY MX report only all year
04AFlow, in conduit or thru treatment plantMO AVG report only all year
05ApHMINIMUM >= 6 SU all year
05ApHMAXIMUM <= 9 SU all year
05ASolids, total suspendedDAILY MX <= 50 mg/L all year
05ASolids, total suspendedMO AVG <= 50 mg/L all year
05AOil and grease [soxhlet extr.] tot.DAILY MX <= 20 mg/L all year
05AOil and grease [soxhlet extr.] tot.MO AVG <= 15 mg/L all year
05ANitrogen, ammonia total [as N]DAILY MX report only all year
05ANitrogen, ammonia total [as N]MO AVG report only all year
05ANitrite + Nitrate total [as N]DAILY MX report only all year
05ANitrite + Nitrate total [as N]MO AVG report only all year
05APhosphorus, total [as P]DAILY MX report only all year
05APhosphorus, total [as P]MO AVG report only all year
05AChloride [as Cl]DAILY MX report only all year
05AChloride [as Cl]MO AVG report only all year
05ASulfate, total [as SO4]DAILY MX report only all year
05ASulfate, total [as SO4]MO AVG report only all year
05ASelenium, total recoverableDAILY MX report only all year
05ASelenium, total recoverableMO AVG report only all year
05AThallium, total recoverableDAILY MX report only all year
05AThallium, total recoverableMO AVG report only all year
05AAluminum, total recoverableDAILY MX report only all year
05AAluminum, total recoverableMO AVG report only all year
05ACadmium, total recoverableDAILY MX report only all year
05ACadmium, total recoverableMO AVG report only all year
05ALead, total recoverableDAILY MX report only all year
05ALead, total recoverableMO AVG report only all year
05ACopper, total recoverableDAILY MX report only all year
05ACopper, total recoverableMO AVG report only all year
05AFlow, in conduit or thru treatment plantDAILY MX report only all year
05AFlow, in conduit or thru treatment plantMO AVG report only all year
05AChlorine, total residualDAILY MX <= 19 ug/L all year
05AChlorine, total residualMO AVG <= 9.5 ug/L all year
05ANitrogen, Kjeldahl, total [TKN] [water]DAILY MX report only all year
05ANitrogen, Kjeldahl, total [TKN] [water]MO AVG report only all year
05AToxicity [chronic], Ceriodaphnia dubiaVALUE report only all year
05AToxicity [chronic], Pimephales promelas [Fathead Minnow]VALUE report only all year
05AMercury, total recoverableDAILY MX report only all year
05AMercury, total recoverableMO AVG report only all year
05AChlorides + SulfatesDAILY MX report only all year
05AChlorides + SulfatesMO AVG report only all year
COLTemperature, water deg. fahrenheitDAILY MX report only all year
COLTemperature, water deg. fahrenheitMO AVG report only all year
COLTemperature, water deg. fahrenheitDAILY MX report only all year
COLTemperature, water deg. fahrenheitMO AVG report only all year
COLFlow rateDAILY MX report only all year
COLFlow rateMO AVG report only all year
COLFlow, in conduit or thru treatment plantDAILY MX report only all year
COLFlow, in conduit or thru treatment plantMO AVG report only all year
COLFlow, in conduit or thru treatment plantDAILY MX report only all year
COLFlow, in conduit or thru treatment plantMO AVG report only all year
COLTemp. diff. between intake and dischargeDAILY MX <= 19.1 deg F all year
COLTemp. diff. between intake and 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