Louisville G & E - Mill Creek Station

NPDES permit KY0003221 · Major NON-POTW · effective, expires 2028-09-30 · 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 161 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 KY permits in EPA's filings — check your permit).

Limits in force (198)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Oxidants, total residualMO AVG report only all year
001Oxidants, total residualDAILY MX <= .2 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001Chlorine, free availableMO AVG <= .2 mg/L all year
001Chlorine, free availableDAILY MX <= .5 mg/L all year
001Duration of Oxidant AdditionDAILY MX <= 120 min/d all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 97.9 mg/L all year
002Solids, total suspendedDAILY MX <= 97.5 mg/L all year
002Oil & GreaseMO AVG <= 14.7 mg/L all year
002Oil & GreaseMO AVG <= 14.6 mg/L all year
002Oil & GreaseDAILY MX <= 19.6 mg/L all year
002Oil & GreaseDAILY MX <= 19.6 mg/L 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
002ApHMINIMUM >= 6 SU all year
002ApHMAXIMUM <= 9 SU all year
002ASolids, total suspendedMO AVG <= 30 mg/L all year
002ASolids, total suspendedMO AVG <= 30 mg/L all year
002ASolids, total suspendedDAILY MX <= 97.9 mg/L all year
002ASolids, total suspendedDAILY MX <= 97.5 mg/L all year
002AOil & GreaseMO AVG <= 14.7 mg/L all year
002AOil & GreaseMO AVG <= 14.6 mg/L all year
002AOil & GreaseDAILY MX <= 19.6 mg/L all year
002AOil & GreaseDAILY MX <= 19.6 mg/L all year
002AHardness, total [as CaCO3]MO AVG report only all year
002AHardness, total [as CaCO3]DAILY MX report only all year
002AIron, total recoverableMO AVG report only all year
002AIron, total recoverableDAILY MX report only all year
002ASelenium, total recoverableMO AVG report only all year
002ASelenium, total recoverableDAILY MX report only all year
002AThallium, total recoverableMO AVG report only all year
002AThallium, total recoverableDAILY MX report only all year
002ACadmium, total recoverableMO AVG report only all year
002ACadmium, total recoverableDAILY MX report only all year
002ACopper, total recoverableMO AVG report only all year
002ACopper, total recoverableDAILY MX report only all year
002AFlow, in conduit or thru treatment plantMO AVG report only all year
002AFlow, in conduit or thru treatment plantDAILY MX report only all year
002AToxicity, final conc toxicity unitsMAXIMUM <= 1 tox acute all year
003Zinc, total recoverableMO AVG <= 1 mg/L all year
003Zinc, total recoverableDAILY MX <= 1 mg/L all year
003Chromium, total recoverableMO AVG <= .2 mg/L all year
003Chromium, total recoverableDAILY MX <= .2 mg/L all year
003Oxidants, total residualMO AVG report only all year
003Oxidants, total residualDAILY MX <= .2 mg/L all year
003Priority PollutantsDAILY MX <= 0 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chlorine, free availableMO AVG <= .2 mg/L all year
003Chlorine, free availableDAILY MX <= .5 mg/L all year
003Duration of Oxidant AdditionDAILY MX <= 120 min/d all year
004Zinc, total recoverableMO AVG <= 1 mg/L all year
004Zinc, total recoverableDAILY MX <= 1 mg/L all year
004Chromium, total recoverableMO AVG <= .2 mg/L all year
004Chromium, total recoverableDAILY MX <= .2 mg/L all year
004Oxidants, total residualMO AVG report only all year
004Oxidants, total residualDAILY MX <= .2 mg/L all year
004Priority PollutantsDAILY MX <= 0 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Chlorine, free availableMO AVG <= .2 mg/L all year
004Chlorine, free availableDAILY MX <= .5 mg/L all year
004Duration of Oxidant AdditionDAILY MX <= 120 min/d all year
005Zinc, total recoverableMO AVG <= 1 mg/L all year
005Zinc, total recoverableDAILY MX <= 1 mg/L all year
005Chromium, total recoverableMO AVG <= .2 mg/L all year
005Chromium, total recoverableDAILY MX <= .2 mg/L all year
005Oxidants, total residualMO AVG report only all year
005Oxidants, total residualDAILY MX <= .2 mg/L all year
005Priority PollutantsDAILY MX <= 0 mg/L all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Chlorine, free availableMO AVG <= .2 mg/L all year
005Chlorine, free availableDAILY MX <= .5 mg/L all year
005Duration of Oxidant AdditionDAILY MX <= 120 min/d all year
006Copper, total [as Cu]MO AVG <= 1 mg/L all year
006Copper, total [as Cu]DAILY MX <= 1 mg/L all year
006Iron, total [as Fe]MO AVG <= 1 mg/L all year
006Iron, total [as Fe]DAILY MX <= 1 mg/L all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
009Temperature, water deg. fahrenheitMO AVG report only all year
009Temperature, water deg. fahrenheitDAILY MX report only all year
009Arsenic, total recoverableMO AVG report only all year
009Arsenic, total recoverableDAILY MX report only all year
009Iron, total recoverableMO AVG report only all year
009Iron, total recoverableDAILY MX report only all year
009Selenium, total recoverableMO AVG report only all year
009Selenium, total recoverableDAILY MX report only all year
009Thallium, total recoverableMO AVG report only all year
009Thallium, total recoverableDAILY MX report only all year
009Beryllium, total recoverable [as Be]MO AVG report only all year
009Beryllium, total recoverable [as Be]DAILY MX report only all year
009Nickel, total recoverableMO AVG report only all year
009Nickel, total recoverableDAILY MX report only all year
009Silver total recoverableMO AVG report only all year
009Silver total recoverableDAILY MX report only all year
009Zinc, total recoverableMO AVG report only all year
009Zinc, total recoverableDAILY MX report only all year
009Cadmium, total recoverableMO AVG report only all year
009Cadmium, total recoverableDAILY MX report only all year
009Lead, total recoverableMO AVG report only all year
009Lead, total recoverableDAILY MX report only all year
009Chromium, total recoverableMO AVG report only all year
009Chromium, total recoverableDAILY MX report only all year
009Copper, total recoverableMO AVG report only all year
009Copper, total recoverableDAILY MX report only all year
009Antimony, total recoverableMO AVG report only all year
009Antimony, total recoverableDAILY MX report only all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Mercury, total recoverableMO AVG report only all year
009Mercury, total recoverableDAILY MX report only all year
009Cooling Water Intake InspectionVALUE report only all year
012Solids, total suspendedMO AVG <= 30 mg/L all year
012Solids, total suspendedDAILY MX <= 80 mg/L all year
012Oil & GreaseMO AVG <= 10.1 mg/L all year
012Oil & GreaseDAILY MX <= 12.7 mg/L all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
013pHMINIMUM >= 6 SU all year
013pHMAXIMUM <= 9 SU all year
013Solids, total suspendedMO AVG <= 30 mg/L all year
013Solids, total suspendedDAILY MX <= 60 mg/L all year
013Oil & GreaseMO AVG <= 10 mg/L all year
013Oil & GreaseDAILY MX <= 15 mg/L all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
015pHMINIMUM report only all year
015pHMAXIMUM report only all year
015Solids, total suspendedMO AVG report only all year
015Solids, total suspendedDAILY MX report only all year
015Flow, in conduit or thru treatment plantMO AVG report only all year
015Flow, in conduit or thru treatment plantDAILY MX report only all year
023Temperature, water deg. fahrenheitMO AVG report only all year
023Temperature, water deg. fahrenheitDAILY MX <= 115 deg F all year
023pHMINIMUM >= 6 SU all year
023pHMAXIMUM <= 9 SU all year
023Hardness, total [as CaCO3]MO AVG report only all year
023Hardness, total [as CaCO3]DAILY MX report only all year
023Iron, total recoverableMO AVG report only all year
023Iron, total recoverableDAILY MX report only all year
023Copper, total recoverableMO AVG <= .514 mg/L all year
023Copper, total recoverableDAILY MX <= .514 mg/L all year
023Flow, in conduit or thru treatment plantMO AVG report only all year
023Flow, in conduit or thru treatment plantDAILY MX report only all year
024Nitrite + Nitrate total [as N]MO AVG <= 3 mg/L all year
024Nitrite + Nitrate total [as N]DAILY MX <= 4 mg/L all year
024Arsenic, total recoverableMO AVG <= 8 ug/L all year
024Arsenic, total recoverableDAILY MX <= 18 ug/L all year
024Selenium, total recoverableMO AVG <= 29 ug/L all year
024Selenium, total recoverableDAILY MX <= 70 ug/L all year
024Flow, in conduit or thru treatment plantMO AVG report only all year
024Flow, in conduit or thru treatment plantDAILY MX report only all year
024Mercury, total recoverableMO AVG <= 34 ng/L all year
024Mercury, total recoverableDAILY MX <= 103 ng/L all year
025Temperature, water deg. fahrenheitMO AVG report only all year
025Temperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
025pHMINIMUM >= 6 SU all year
025pHMAXIMUM <= 9 SU all year
025Hardness, total [as CaCO3]MO AVG report only all year
025Hardness, total [as CaCO3]DAILY MX report only all year
025Iron, total recoverableMO AVG report only all year
025Iron, total recoverableDAILY MX report only all year
025Selenium, total recoverableMO AVG <= 2.11 mg/L all year
025Selenium, total recoverableDAILY MX report only all year
025Thallium, total recoverableMO AVG report only all year
025Thallium, total recoverableDAILY MX report only all year
025Cadmium, total recoverableMO AVG report only all year
025Cadmium, total recoverableDAILY MX report only all year
025Copper, total recoverableMO AVG <= .742 mg/L all year
025Copper, total recoverableDAILY MX <= .742 mg/L all year
025Selenium, dry weightMAXIMUM <= 8.6 mg/L all year
025Selenium, dry weightDAILY MX <= 8.6 mg/L all year
025Flow, in conduit or thru treatment plantMO AVG report only all year
025Flow, in conduit or thru treatment plantDAILY MX report only all year
025Toxicity, final conc toxicity unitsDAILY MX <= 12.21 tox acute all year
050Zinc, total recoverableMO AVG <= 1 mg/L all year
050Zinc, total recoverableDAILY MX <= 1 mg/L all year
050Chromium, total recoverableMO AVG <= .2 mg/L all year
050Chromium, total recoverableDAILY MX <= .2 mg/L all year
050Oxidants, total residualMO AVG report only all year
050Oxidants, total residualDAILY MX <= .2 mg/L all year
050Priority PollutantsDAILY MX <= 0 mg/L all year
050Flow, in conduit or thru treatment plantMO AVG report only all year
050Flow, in conduit or thru treatment plantDAILY MX report only all year
050Chlorine, free availableMO AVG <= .2 mg/L all year
050Chlorine, free availableDAILY MX <= .5 mg/L all year
050Duration of Oxidant AdditionDAILY MX <= 120 min/d 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