Louisville G & E - Trimble Station

NPDES permit KY0041971 · Major NON-POTW · effective, expires 2028-06-30 · 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

1values over a limit
0required values missing, on 0 form(s)
0of 132 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (1).

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 (237)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 60 mg/L all year
001Oil & GreaseMO AVG <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 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
002AZinc, total recoverableMO AVG <= 1 mg/L all year
002AZinc, total recoverableDAILY MX <= 1 mg/L all year
002AChromium, total recoverableMO AVG <= .2 mg/L all year
002AChromium, total recoverableDAILY MX <= .2 mg/L all year
002ATotal residual ooxidant-discharge timeDAILY MX <= 120 min/d all year
002AOxidants, total residualMO AVG report only all year
002AOxidants, total residualDAILY MX <= .2 mg/L all year
002APriority PollutantsMO AVG <= 0 mg/L all year
002APriority PollutantsDAILY MX <= 0 mg/L 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
002AChlorine, free availableMO AVG <= .2 mg/L all year
002AChlorine, free availableDAILY MX <= .5 mg/L all year
002BZinc, total recoverableMO AVG <= 1 mg/L all year
002BZinc, total recoverableDAILY MX <= 1 mg/L all year
002BChromium, total recoverableMO AVG <= .2 mg/L all year
002BChromium, total recoverableDAILY MX <= .2 mg/L all year
002BTotal residual ooxidant-discharge timeDAILY MX <= 120 min/d all year
002BOxidants, total residualMO AVG report only all year
002BOxidants, total residualDAILY MX <= .2 mg/L all year
002BPriority PollutantsMO AVG <= 0 mg/L all year
002BPriority PollutantsDAILY MX <= 0 mg/L all year
002BFlow, in conduit or thru treatment plantMO AVG report only all year
002BFlow, in conduit or thru treatment plantDAILY MX report only all year
002BChlorine, free availableMO AVG <= .2 mg/L all year
002BChlorine, free availableDAILY MX <= .5 mg/L all year
002TTemperature, water deg. fahrenheitMO AVG report only all year
002TTemperature, water deg. fahrenheitMO AVG report only all year
002TTemperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
002TTemperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
002TpHMINIMUM >= 6 SU all year
002TpHMINIMUM >= 6 SU all year
002TpHMAXIMUM <= 9 SU all year
002TpHMAXIMUM <= 9 SU all year
002THardness, total [as CaCO3]MO AVG report only all year
002THardness, total [as CaCO3]MO AVG report only all year
002THardness, total [as CaCO3]DAILY MX report only all year
002THardness, total [as CaCO3]DAILY MX report only all year
002TArsenic, total recoverableMO AVG report only all year
002TArsenic, total recoverableDAILY MX report only all year
002TIron, total recoverableMO AVG report only all year
002TIron, total recoverableMO AVG report only all year
002TIron, total recoverableDAILY MX report only all year
002TIron, total recoverableDAILY MX report only all year
002TSelenium, total recoverableMO AVG report only all year
002TSelenium, total recoverableMO AVG <= .118 mg/L all year
002TSelenium, total recoverableDAILY MX report only all year
002TThallium, total recoverableMO AVG report only all year
002TThallium, total recoverableDAILY MX report only all year
002TBeryllium, total recoverable [as Be]MO AVG report only all year
002TBeryllium, total recoverable [as Be]DAILY MX report only all year
002TNickel, total recoverableMO AVG report only all year
002TNickel, total recoverableDAILY MX report only all year
002TSilver total recoverableMO AVG report only all year
002TSilver total recoverableDAILY MX report only all year
002TZinc, total recoverableMO AVG report only all year
002TZinc, total recoverableDAILY MX report only all year
002TCadmium, total recoverableMO AVG report only all year
002TCadmium, total recoverableMO AVG report only all year
002TCadmium, total recoverableDAILY MX report only all year
002TCadmium, total recoverableDAILY MX report only all year
002TLead, total recoverableMO AVG report only all year
002TLead, total recoverableDAILY MX report only all year
002TChromium, total recoverableMO AVG report only all year
002TChromium, total recoverableDAILY MX report only all year
002TCopper, total recoverableMO AVG report only all year
002TCopper, total recoverableMO AVG report only all year
002TCopper, total recoverableDAILY MX report only all year
002TCopper, total recoverableDAILY MX report only all year
002TSelenium, dry weightMAXIMUM <= 8.6 mg/kg all year
002TSelenium, dry weightMAXIMUM <= 8.6 mg/kg all year
002TAntimony, total recoverableMO AVG report only all year
002TAntimony, total recoverableDAILY MX report only all year
002TChlorideMO AVG report only all year
002TChlorideMO AVG report only all year
002TChlorideDAILY MX report only all year
002TChlorideDAILY MX report only all year
002TFlow, in conduit or thru treatment plantMO AVG report only all year
002TFlow, in conduit or thru treatment plantMO AVG report only all year
002TFlow, in conduit or thru treatment plantDAILY MX report only all year
002TFlow, in conduit or thru treatment plantDAILY MX report only all year
002TToxicity, final conc toxicity unitsMAXIMUM <= 4.32 tox acute all year
002TToxicity, final conc toxicity unitsMAXIMUM <= 4.32 tox acute all year
002TMercury, total recoverableMO AVG report only all year
002TMercury, total recoverableDAILY MX report only all year
003BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
003BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L all year
003Solids, total suspendedMO AVG <= 30 mg/L all year
003Solids, total suspendedMX WK AV <= 45 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, total residualMINIMUM >= .2 mg/L all year
004Copper, total [as Cu]MO AVG <= 1 mg/L all year
004Copper, total [as Cu]DAILY MX <= 1 mg/L all year
004Iron, total [as Fe]MO AVG <= 1 mg/L all year
004Iron, total [as Fe]DAILY MX <= 1 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
005Temperature, water deg. fahrenheitMO AVG report only all year
005Temperature, water deg. fahrenheitDAILY MX report only 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
005Cooling Water Intake InspectionMAXIMUM report only all year
007Solids, total suspendedMO AVG <= 30 mg/L all year
007Solids, total suspendedDAILY MX <= 100 mg/L all year
007Oil & GreaseMO AVG <= 15 mg/L all year
007Oil & GreaseDAILY MX <= 20 mg/L all year
007Nitrite + Nitrate total [as N]MO AVG <= 3 mg/L all year
007Nitrite + Nitrate total [as N]DAILY MX <= 4 mg/L all year
007Arsenic, total recoverableMO AVG <= 8 ug/L all year
007Arsenic, total recoverableDAILY MX <= 18 ug/L all year
007Selenium, total recoverableMO AVG <= 29 ug/L all year
007Selenium, total recoverableDAILY MX <= 70 ug/L all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
007Mercury, total recoverableMO AVG <= 34 ng/L all year
007Mercury, total recoverableDAILY MX <= 103 ng/L all year
008Solids, total suspendedMO AVG <= 30 mg/L all year
008Solids, total suspendedDAILY MX <= 95.4 mg/L all year
008Oil & GreaseMO AVG <= 14.3 mg/L all year
008Oil & GreaseDAILY MX <= 19.1 mg/L all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
009pHMINIMUM report only all year
009pHMAXIMUM report only all year
009Solids, total suspendedMO AVG report only all year
009Solids, total suspendedDAILY MX report only all year
009Hardness, total [as CaCO3]MO AVG report only all year
009Hardness, total [as CaCO3]DAILY MX report only all year
009Arsenic, total recoverableMO AVG report only all year
009Arsenic, total recoverableDAILY 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
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
010pHMINIMUM report only all year
010pHMAXIMUM report only all year
010Solids, total suspendedMO AVG report only all year
010Solids, total suspendedDAILY MX report only all year
010Hardness, total [as CaCO3]MO AVG report only all year
010Hardness, total [as CaCO3]DAILY MX report only all year
010Arsenic, total recoverableMO AVG report only all year
010Arsenic, total recoverableDAILY MX report only all year
010Nickel, total recoverableMO AVG report only all year
010Nickel, total recoverableDAILY MX report only all year
010Silver total recoverableMO AVG report only all year
010Silver total recoverableDAILY MX report only all year
010Zinc, total recoverableMO AVG report only all year
010Zinc, total recoverableDAILY MX report only all year
010Cadmium, total recoverableMO AVG report only all year
010Cadmium, total recoverableDAILY MX report only all year
010Lead, total recoverableMO AVG report only all year
010Lead, total recoverableDAILY MX report only all year
010Chromium, total recoverableMO AVG report only all year
010Chromium, total recoverableDAILY MX report only all year
010Copper, total recoverableMO AVG report only all year
010Copper, total recoverableDAILY MX report only all year
010Flow, in conduit or thru treatment plantMO AVG report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
010Mercury, total recoverableMO AVG report only all year
010Mercury, total recoverableDAILY MX report only all year
011pHMINIMUM report only all year
011pHMAXIMUM report only all year
011Solids, total suspendedMO AVG report only all year
011Solids, total suspendedDAILY MX report only all year
011Hardness, total [as CaCO3]MO AVG report only all year
011Hardness, total [as CaCO3]DAILY MX report only all year
011Arsenic, total recoverableMO AVG report only all year
011Arsenic, total recoverableDAILY MX report only all year
011Nickel, total recoverableMO AVG report only all year
011Nickel, total recoverableDAILY MX report only all year
011Silver total recoverableMO AVG report only all year
011Silver total recoverableDAILY MX report only all year
011Zinc, total recoverableMO AVG report only all year
011Zinc, total recoverableDAILY MX report only all year
011Cadmium, total recoverableMO AVG report only all year
011Cadmium, total recoverableDAILY MX report only all year
011Lead, total recoverableMO AVG report only all year
011Lead, total recoverableDAILY MX report only all year
011Chromium, total recoverableMO AVG report only all year
011Chromium, total recoverableDAILY MX report only all year
011Copper, total recoverableMO AVG report only all year
011Copper, total recoverableDAILY MX report only all year
011Flow, in conduit or thru treatment plantMO AVG report only all year
011Flow, in conduit or thru treatment plantDAILY MX report only all year
011Mercury, total recoverableMO AVG report only all year
011Mercury, total recoverableDAILY MX report only all year
012pHMINIMUM >= 6 SU all year
012pHMAXIMUM <= 9 SU all year
012Solids, total suspendedMO AVG report only all year
012Solids, total suspendedDAILY MX <= 100 mg/L all year
012Hardness, total [as CaCO3]MO AVG report only all year
012Hardness, total [as CaCO3]DAILY MX report only all year
012Arsenic, total recoverableMO AVG report only all year
012Arsenic, total recoverableDAILY MX report only all year
012Iron, total recoverableMO AVG report only all year
012Iron, total recoverableDAILY MX report only all year
012Nickel, total recoverableMO AVG report only all year
012Nickel, total recoverableDAILY MX report only all year
012Silver total recoverableMO AVG report only all year
012Silver total recoverableDAILY MX report only all year
012Zinc, total recoverableMO AVG report only all year
012Zinc, total recoverableDAILY MX report only all year
012Cadmium, total recoverableMO AVG report only all year
012Cadmium, total recoverableDAILY MX report only all year
012Lead, total recoverableMO AVG report only all year
012Lead, total recoverableDAILY MX report only all year
012Chromium, total recoverableMO AVG report only all year
012Chromium, total recoverableDAILY MX report only all year
012Copper, total recoverableMO AVG report only all year
012Copper, total recoverableDAILY MX report only 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
012Mercury, total recoverableMO AVG report only all year
012Mercury, total recoverableDAILY MX report only all year

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