Louisville and Jefferson County MSD

NPDES permit KY0106143 · Major POTW · effective, expires 2031-01-31 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 14 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 (252)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeAVERAGE report only May, Jun, Jul, Aug, Sep, Oct
001Temperature, water deg. centigradeAVERAGE report only Jan, Feb, Mar, Apr, Nov, Dec
001Temperature, water deg. centigradeMAXIMUM report only May, Jun, Jul, Aug, Sep, Oct
001Temperature, water deg. centigradeMAXIMUM report only Jan, Feb, Mar, Apr, Nov, Dec
001Oxygen, dissolved [DO]INST MIN >= 2 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 375 lb/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 563 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CMX WK AV report only all year
001pHMINIMUM >= 6 SU 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
001Solids, total suspendedMO AVG <= 375 lb/d all year
001Solids, total suspendedMX WK AV <= 563 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMX WK AV report only all year
001Oil & GreaseAVERAGE report only all year
001Oil & GreaseMAXIMUM report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 20 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 30 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 250.2 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 375.3 lb/d all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]AVERAGE report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MAXIMUM report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Cyanide, free [amenable to chlorination]AVERAGE report only all year
001Cyanide, free [amenable to chlorination]MAXIMUM report only all year
001Hardness, total [as CaCO3]AVERAGE report only all year
001Hardness, total [as CaCO3]MAXIMUM report only all year
001Arsenic, total recoverableAVERAGE report only all year
001Arsenic, total recoverableMAXIMUM report only all year
001Selenium, total recoverableAVERAGE report only all year
001Selenium, total recoverableMAXIMUM report only all year
001Thallium, total recoverableAVERAGE report only all year
001Thallium, total recoverableMAXIMUM report only all year
001Beryllium, total recoverable [as Be]AVERAGE report only all year
001Beryllium, total recoverable [as Be]MAXIMUM report only all year
001Nickel, total recoverableAVERAGE report only all year
001Nickel, total recoverableMAXIMUM report only all year
001Silver total recoverableAVERAGE report only all year
001Silver total recoverableMAXIMUM report only all year
001Zinc, total recoverableAVERAGE report only all year
001Zinc, total recoverableMAXIMUM report only all year
001Cadmium, total recoverableAVERAGE report only all year
001Cadmium, total recoverableMAXIMUM report only all year
001Lead, total recoverableAVERAGE report only all year
001Lead, total recoverableMAXIMUM report only all year
001Chromium, total recoverableAVERAGE report only all year
001Chromium, total recoverableMAXIMUM report only all year
001Copper, total recoverableAVERAGE report only all year
001Copper, total recoverableMAXIMUM report only all year
001Antimony, total recoverableAVERAGE report only all year
001Antimony, total recoverableMAXIMUM report only all year
001DichlorobromomethaneAVERAGE report only all year
001DichlorobromomethaneMAXIMUM report only all year
001Carbon tetrachlorideAVERAGE report only all year
001Carbon tetrachlorideMAXIMUM report only all year
0011,2-DichloroethaneAVERAGE report only all year
0011,2-DichloroethaneMAXIMUM report only all year
001BromoformAVERAGE report only all year
001BromoformMAXIMUM report only all year
001ChloroformAVERAGE report only all year
001ChloroformMAXIMUM report only all year
001TolueneAVERAGE report only all year
001TolueneMAXIMUM report only all year
001BenzeneAVERAGE report only all year
001BenzeneMAXIMUM report only all year
001AcenaphthyleneAVERAGE report only all year
001AcenaphthyleneMAXIMUM report only all year
001AcenaphtheneAVERAGE report only all year
001AcenaphtheneMAXIMUM report only all year
001AcroleinAVERAGE report only all year
001AcroleinMAXIMUM report only all year
001AcrylonitrileAVERAGE report only all year
001AcrylonitrileMAXIMUM report only all year
001AnthraceneAVERAGE report only all year
001AnthraceneMAXIMUM report only all year
001Benzo[k]fluorantheneAVERAGE report only all year
001Benzo[k]fluorantheneMAXIMUM report only all year
001Benzo[a]pyreneAVERAGE report only all year
001Benzo[a]pyreneMAXIMUM report only all year
001Bis[2-chloroethyl] etherAVERAGE report only all year
001Bis[2-chloroethyl] etherMAXIMUM report only all year
001Bis[2-chloroethoxy]methaneAVERAGE report only all year
001Bis[2-chloroethoxy]methaneMAXIMUM report only all year
001Bis[2-chloroisopropyl] etherAVERAGE report only all year
001Bis[2-chloroisopropyl] etherMAXIMUM report only all year
001Butyl benzyl phthalateAVERAGE report only all year
001Butyl benzyl phthalateMAXIMUM report only all year
001ChlorobenzeneAVERAGE report only all year
001ChlorobenzeneMAXIMUM report only all year
001ChlorodibromomethaneAVERAGE report only all year
001ChlorodibromomethaneMAXIMUM report only all year
001ChryseneAVERAGE report only all year
001ChryseneMAXIMUM report only all year
001Diethyl phthalateAVERAGE report only all year
001Diethyl phthalateMAXIMUM report only all year
001Dimethyl phthalateAVERAGE report only all year
001Dimethyl phthalateMAXIMUM report only all year
0011,2-DiphenylhydrazineAVERAGE report only all year
0011,2-DiphenylhydrazineMAXIMUM report only all year
001EthylbenzeneAVERAGE report only all year
001EthylbenzeneMAXIMUM report only all year
001FluorantheneAVERAGE report only all year
001FluorantheneMAXIMUM report only all year
001FluoreneAVERAGE report only all year
001FluoreneMAXIMUM report only all year
001HexachlorocyclopentadieneAVERAGE report only all year
001HexachlorocyclopentadieneMAXIMUM report only all year
001HexachloroethaneAVERAGE report only all year
001HexachloroethaneMAXIMUM report only all year
001Indeno[1,2,3-cd]pyreneAVERAGE report only all year
001Indeno[1,2,3-cd]pyreneMAXIMUM report only all year
001IsophoroneAVERAGE report only all year
001IsophoroneMAXIMUM report only all year
001Methyl bromide [Bromomethane]AVERAGE report only all year
001Methyl bromide [Bromomethane]MAXIMUM report only all year
001Methyl chloride [Chloromethane]AVERAGE report only all year
001Methyl chloride [Chloromethane]MAXIMUM report only all year
001Methylene chlorideAVERAGE report only all year
001Methylene chlorideMAXIMUM report only all year
001N-Nitrosodi-N-propylamineAVERAGE report only all year
001N-Nitrosodi-N-propylamineMAXIMUM report only all year
001N-NitrosodiphenylamineAVERAGE report only all year
001N-NitrosodiphenylamineMAXIMUM report only all year
001N-Nitrosodimethylamine [NDMA]AVERAGE report only all year
001N-Nitrosodimethylamine [NDMA]MAXIMUM report only all year
001NitrobenzeneAVERAGE report only all year
001NitrobenzeneMAXIMUM report only all year
001PhenanthreneAVERAGE report only all year
001PhenanthreneMAXIMUM report only all year
001PyreneAVERAGE report only all year
001PyreneMAXIMUM report only all year
001TetrachloroethyleneAVERAGE report only all year
001TetrachloroethyleneMAXIMUM report only all year
0011,1-DichloroethaneAVERAGE report only all year
0011,1-DichloroethaneMAXIMUM report only all year
0011,1-DichloroethyleneAVERAGE report only all year
0011,1-DichloroethyleneMAXIMUM report only all year
0011,1,1-TrichloroethaneAVERAGE report only all year
0011,1,1-TrichloroethaneMAXIMUM report only all year
0011,1,2-TrichloroethaneAVERAGE report only all year
0011,1,2-TrichloroethaneMAXIMUM report only all year
0011,1,2,2-TetrachloroethaneAVERAGE report only all year
0011,1,2,2-TetrachloroethaneMAXIMUM report only all year
001Benzo[ghi]peryleneAVERAGE report only all year
001Benzo[ghi]peryleneMAXIMUM report only all year
001Benzo[a]anthraceneAVERAGE report only all year
001Benzo[a]anthraceneMAXIMUM report only all year
0011,2-DichlorobenzeneAVERAGE report only all year
0011,2-DichlorobenzeneMAXIMUM report only all year
0011,2-DichloropropaneAVERAGE report only all year
0011,2-DichloropropaneMAXIMUM report only all year
001trans-1,2-DichloroethyleneAVERAGE report only all year
001trans-1,2-DichloroethyleneMAXIMUM report only all year
0011,2,4-TrichlorobenzeneAVERAGE report only all year
0011,2,4-TrichlorobenzeneMAXIMUM report only all year
001Dibenz[a,h]anthraceneAVERAGE report only all year
001Dibenz[a,h]anthraceneMAXIMUM report only all year
0011,3-DichlorobenzeneAVERAGE report only all year
0011,3-DichlorobenzeneMAXIMUM report only all year
0011,4-DichlorobenzeneAVERAGE report only all year
0011,4-DichlorobenzeneMAXIMUM report only all year
0012-Chloroethyl vinyl ether, [mixed]AVERAGE report only all year
0012-Chloroethyl vinyl ether, [mixed]MAXIMUM report only all year
0012-ChloronaphthaleneAVERAGE report only all year
0012-ChloronaphthaleneMAXIMUM report only all year
0012-ChlorophenolAVERAGE report only all year
0012-ChlorophenolMAXIMUM report only all year
0012-NitrophenolAVERAGE report only all year
0012-NitrophenolMAXIMUM report only all year
0012,4-DichlorophenolAVERAGE report only all year
0012,4-DichlorophenolMAXIMUM report only all year
0012,4-DimethylphenolAVERAGE report only all year
0012,4-DimethylphenolMAXIMUM report only all year
0012,4-DinitrotolueneAVERAGE report only all year
0012,4-DinitrotolueneMAXIMUM report only all year
0012,4-DinitrophenolAVERAGE report only all year
0012,4-DinitrophenolMAXIMUM report only all year
0012,4,6-TrichlorophenolAVERAGE report only all year
0012,4,6-TrichlorophenolMAXIMUM report only all year
0012,6-DinitrotolueneAVERAGE report only all year
0012,6-DinitrotolueneMAXIMUM report only all year
0013,3'-DichlorobenzidineAVERAGE report only all year
0013,3'-DichlorobenzidineMAXIMUM report only all year
0014-Bromophenyl phenyl etherAVERAGE report only all year
0014-Bromophenyl phenyl etherMAXIMUM report only all year
0014-Chlorophenyl phenyl etherAVERAGE report only all year
0014-Chlorophenyl phenyl etherMAXIMUM report only all year
0014-NitrophenolAVERAGE report only all year
0014-NitrophenolMAXIMUM report only all year
0014,6-Dinitro-o-cresolAVERAGE report only all year
0014,6-Dinitro-o-cresolMAXIMUM report only all year
001PhenolAVERAGE report only all year
001PhenolMAXIMUM report only all year
001NaphthaleneAVERAGE report only all year
001NaphthaleneMAXIMUM report only all year
001PentachlorophenolAVERAGE report only all year
001PentachlorophenolMAXIMUM report only all year
001Di[2-ethylhexyl] phthalate [DEHP]AVERAGE report only all year
001Di[2-ethylhexyl] phthalate [DEHP]MAXIMUM report only all year
001Di-n-butyl phthalateAVERAGE report only all year
001Di-n-butyl phthalateMAXIMUM report only all year
001BenzidineAVERAGE report only all year
001BenzidineMAXIMUM report only all year
001Vinyl chlorideAVERAGE report only all year
001Vinyl chlorideMAXIMUM report only all year
001TrichloroethyleneAVERAGE report only all year
001TrichloroethyleneMAXIMUM report only all year
001HexachlorobenzeneAVERAGE report only all year
001HexachlorobenzeneMAXIMUM report only all year
001HexachlorobutadieneAVERAGE report only all year
001HexachlorobutadieneMAXIMUM report only all year
001ChlorideAVERAGE report only all year
001ChlorideMAXIMUM report only 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
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001E. coli30DA GEO <= 130 #/100mL all year
001E. coli7 DA GEO <= 240 #/100mL all year
0011,3-DichloropropyleneAVERAGE report only all year
0011,3-DichloropropyleneMAXIMUM report only all year
001Nitrogen, Kjeldahl TotalAVERAGE report only all year
001Nitrogen, Kjeldahl TotalMAXIMUM report only all year
001Nitrite Plus Nitrate TotalAVERAGE report only all year
001Nitrite Plus Nitrate TotalMAXIMUM report only all year
001Phenolic compounds, totalAVERAGE report only all year
001Phenolic compounds, totalMAXIMUM report only all year
001Solids, total dissolved [TDS]AVERAGE report only all year
001Solids, total dissolved [TDS]MAXIMUM report only all year
001Mercury, total recoverableAVERAGE report only all year
001Mercury, total recoverableMAXIMUM report only all year
0013,4-BenzofluorantheneAVERAGE report only all year
0013,4-BenzofluorantheneMAXIMUM report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001p-Chloro-m-cresolAVERAGE report only all year
001p-Chloro-m-cresolMAXIMUM report only all year
001ChloroethaneAVERAGE report only all year
001ChloroethaneMAXIMUM report only all year
001Toxicity, AcuteDAILY MX <= 1 tox acute 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