Evergy, Inc.

NPDES permit MO0101117 · Major NON-POTW · effective, expires 2031-07-31 · 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)
0of 84 forms filed late

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

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 (148)

OutfallParameterStatisticLimitMonths
003Sulfate [as S]DAILY MX report only all year
003Sulfate [as S]MO AVG report only all year
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedDAILY MX <= 50 mg/L all year
003Solids, total suspendedMO AVG <= 30 mg/L all year
003Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
003Oil and grease [soxhlet extr.] tot.MO AVG <= 10 mg/L all year
003Magnesium, total [as Mg]MAXIMUM report only all year
003Magnesium, total [as Mg]AVERAGE report only all year
003Selenium, total recoverableDAILY MX <= 85.4 ug/L all year
003Selenium, total recoverableMO AVG <= 42.6 ug/L all year
003Boron, total recoverableDAILY MX report only all year
003Boron, total recoverableMO AVG report only all year
003Arsenic, total [as As]DAILY MX report only all year
003Arsenic, total [as As]MO AVG <= 25 ug/L all year
003Barium, total [as Ba]MAXIMUM report only all year
003Barium, total [as Ba]AVERAGE report only all year
003Beryllium, total [as Be]MAXIMUM report only all year
003Beryllium, total [as Be]AVERAGE report only all year
003Cadmium, total [as Cd]MAXIMUM report only all year
003Cadmium, total [as Cd]AVERAGE report only all year
003Chromium, trivalent [as Cr]DAILY MX report only all year
003Chromium, trivalent [as Cr]MO AVG report only all year
003Cobalt, total [as Co]MAXIMUM report only all year
003Cobalt, total [as Co]AVERAGE report only all year
003Lead, total [as Pb]MAXIMUM report only all year
003Lead, total [as Pb]AVERAGE report only all year
003Manganese, total [as Mn]MAXIMUM report only all year
003Manganese, total [as Mn]AVERAGE report only all year
003Thallium, total [as Tl]MAXIMUM report only all year
003Thallium, total [as Tl]AVERAGE report only all year
003Nickel, total [as Ni]MAXIMUM report only all year
003Nickel, total [as Ni]AVERAGE report only all year
003Vanadium, total [as V]MAXIMUM report only all year
003Vanadium, total [as V]AVERAGE report only all year
003Zinc, total [as Zn]MAXIMUM report only all year
003Zinc, total [as Zn]AVERAGE report only all year
003Antimony, total [as Sb]MAXIMUM report only all year
003Antimony, total [as Sb]AVERAGE report only all year
003Aluminum, total recoverableDAILY MX report only all year
003Aluminum, total recoverableMO AVG report only all year
003Copper, total recoverableDAILY MX report only all year
003Copper, total recoverableMO AVG report only all year
003Molybdenum, total recoverableDAILY MX report only all year
003Molybdenum, total recoverableMO AVG report only all year
003Lithium, total [as Li]MAXIMUM report only all year
003Lithium, total [as Li]AVERAGE report only all year
003Titanium, total [as Ti]MAXIMUM report only all year
003Titanium, total [as Ti]AVERAGE report only all year
003Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
003Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
003ChlorideDAILY MX <= 397 mg/L all year
003ChlorideMO AVG <= 128 mg/L all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Toxicity [acute], Ceriodaphnia dubiaVALUE report only all year
003Toxicity [acute], Pimephales promelas [Fathead Minnow]VALUE report only all year
003Mercury, total [as Hg]DAILY MX <= 1.2 ug/L all year
003Mercury, total [as Hg]MO AVG <= .6 ug/L all year
003Chlorides + SulfatesDAILY MX report only all year
003Chlorides + SulfatesMO AVG report only all year
008Sulfate [as S]DAILY MX report only all year
008Sulfate [as S]MO AVG report only all year
008pHMINIMUM >= 6.5 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedDAILY MX <= 50 mg/L all year
008Solids, total suspendedMO AVG <= 30 mg/L all year
008Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
008Oil and grease [soxhlet extr.] tot.MO AVG <= 10 mg/L all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]MO AVG report only all year
008Nitrogen, nitrate total [as N]DAILY MX <= 18.5 mg/L all year
008Nitrogen, nitrate total [as N]MO AVG <= 8.6 mg/L all year
008Magnesium, total [as Mg]MAXIMUM report only all year
008Magnesium, total [as Mg]AVERAGE report only all year
008Selenium, total recoverableDAILY MX <= 85.4 ug/L all year
008Selenium, total recoverableMO AVG <= 42.6 ug/L all year
008Boron, total recoverableDAILY MX report only all year
008Boron, total recoverableMO AVG report only all year
008Arsenic, total [as As]DAILY MX report only all year
008Arsenic, total [as As]MO AVG <= 25 ug/L all year
008Barium, total [as Ba]MAXIMUM report only all year
008Barium, total [as Ba]AVERAGE report only all year
008Beryllium, total [as Be]MAXIMUM report only all year
008Beryllium, total [as Be]AVERAGE report only all year
008Cadmium, total [as Cd]MAXIMUM report only all year
008Cadmium, total [as Cd]MO AVG report only all year
008Chromium, trivalent [as Cr]DAILY MX report only all year
008Chromium, trivalent [as Cr]MO AVG report only all year
008Cobalt, total [as Co]MAXIMUM report only all year
008Cobalt, total [as Co]AVERAGE report only all year
008Copper, total [as Cu]DAILY MX report only all year
008Copper, total [as Cu]MO AVG report only all year
008Lead, total [as Pb]MAXIMUM report only all year
008Lead, total [as Pb]AVERAGE report only all year
008Manganese, total [as Mn]MAXIMUM report only all year
008Manganese, total [as Mn]AVERAGE report only all year
008Thallium, total [as Tl]MAXIMUM report only all year
008Thallium, total [as Tl]AVERAGE report only all year
008Nickel, total [as Ni]MAXIMUM report only all year
008Nickel, total [as Ni]AVERAGE report only all year
008Vanadium, total [as V]MAXIMUM report only all year
008Vanadium, total [as V]AVERAGE report only all year
008Zinc, total [as Zn]MAXIMUM report only all year
008Zinc, total [as Zn]AVERAGE report only all year
008Antimony, total [as Sb]MAXIMUM report only all year
008Antimony, total [as Sb]AVERAGE report only all year
008Aluminum, total recoverableDAILY MX report only all year
008Aluminum, total recoverableMO AVG report only all year
008Molybdenum, total recoverableDAILY MX report only all year
008Molybdenum, total recoverableMO AVG report only all year
008Lithium, total [as Li]MAXIMUM report only all year
008Lithium, total [as Li]AVERAGE report only all year
008Titanium, total [as Ti]MAXIMUM report only all year
008Titanium, total [as Ti]AVERAGE report only all year
008Chromium, hexavalent dissolved [as Cr]DAILY MX <= 134 ug/L all year
008Chromium, hexavalent dissolved [as Cr]MO AVG <= 67 ug/L all year
008ChlorideDAILY MX <= 425 mg/L all year
008ChlorideMO AVG <= 159 mg/L 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
008Toxicity [acute], Ceriodaphnia dubiaVALUE report only all year
008Toxicity [acute], Pimephales promelas [Fathead Minnow]VALUE report only all year
008Mercury, total [as Hg]DAILY MX <= .788 ug/L all year
008Mercury, total [as Hg]MO AVG <= .356 ug/L all year
008Chlorides + SulfatesDAILY MX report only all year
008Chlorides + SulfatesMO AVG report only all year
012Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
012Oxygen demand, chem. [high level] [COD]QRTR AVG report only all year
012pHMINIMUM report only all year
012pHMAXIMUM report only all year
012Solids, total suspendedDAILY MX report only all year
012Solids, total suspendedQRTR AVG report only all year
012Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
012Oil and grease [soxhlet extr.] tot.QRTR AVG report only all year
012Iron, total recoverableDAILY MX report only all year
012Iron, total recoverableQRTR AVG report only all year
012Boron, total recoverableDAILY MX report only all year
012Boron, total recoverableQRTR AVG report only all year
012Chromium, trivalent [as Cr]DAILY MX report only all year
012Chromium, trivalent [as Cr]QRTR AVG report only all year
012Molybdenum, total recoverableDAILY MX report only all year
012Molybdenum, total recoverableQRTR AVG report only all year
012Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
012Chromium, hexavalent dissolved [as Cr]QRTR AVG report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Flow, in conduit or thru treatment plantQRTR 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