Frankfort Municipal STP

NPDES permit KY0022861 · Major POTW · effective, expires 2027-05-31 · 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

6values over a limit
0required values missing, on 0 form(s)
0of 171 forms filed late

Last period with anything received: 2026-07-31. Most often over: E. coli (4), Solids, suspended percent removal (1), 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 (367)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitAVERAGE report only all year
001Temperature, water deg. fahrenheitMAXIMUM report only all year
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 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 <= 2477 lb/d all year
001Solids, total suspendedMX WK AV <= 3715 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 & GreaseMO AVG report only all year
001Oil & GreaseMAXIMUM report only all year
001Oil & GreaseDAILY MX report only all year
001Oil & GreaseMO AVG report only all year
001Oil & GreaseDAILY 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, 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 <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 20 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MX WK AV <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 826 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 1651 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MX WK AV <= 1239 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MX WK AV <= 2477 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001Phosphorus, total [as P]AVERAGE report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MO AVG <= 2 mg/L all year
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Phosphorus, total [as P]MAXIMUM report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX <= 3 mg/L all year
001Phosphorus, total [as P]DAILY MX <= 1.5 mg/L all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MN report only all year
001Cyanide, free [amenable to chlorination]AVERAGE report only all year
001Cyanide, free [amenable to chlorination]MO AVG report only all year
001Cyanide, free [amenable to chlorination]MAXIMUM report only all year
001Cyanide, free [amenable to chlorination]DAILY MX report only all year
001Cyanide, free [amenable to chlorination]MO AVG report only all year
001Cyanide, free [amenable to chlorination]DAILY MX report only all year
001Hardness, total [as CaCO3]AVERAGE report only all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]MAXIMUM report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Chloride [as Cl]MO AVG report only all year
001Chloride [as Cl]DAILY MX report only all year
001Arsenic, total recoverableAVERAGE report only all year
001Arsenic, total recoverableMO AVG report only all year
001Arsenic, total recoverableMAXIMUM report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Arsenic, total recoverableMO AVG report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Iron, total recoverableMO AVG report only all year
001Iron, total recoverableDAILY MX report only all year
001Iron, total recoverableMO AVG report only all year
001Iron, total recoverableDAILY MX report only all year
001Selenium, total recoverableAVERAGE report only all year
001Selenium, total recoverableMO AVG report only all year
001Selenium, total recoverableMAXIMUM report only all year
001Selenium, total recoverableDAILY MX report only all year
001Selenium, total recoverableMO AVG report only all year
001Selenium, total recoverableDAILY MX 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 recoverableMO AVG report only all year
001Nickel, total recoverableMAXIMUM report only all year
001Nickel, total recoverableDAILY MX report only all year
001Nickel, total recoverableMO AVG report only all year
001Nickel, total recoverableDAILY MX report only all year
001Silver total recoverableAVERAGE report only all year
001Silver total recoverableMO AVG report only all year
001Silver total recoverableMAXIMUM report only all year
001Silver total recoverableDAILY MX report only all year
001Silver total recoverableMO AVG report only all year
001Silver total recoverableDAILY MX report only all year
001Zinc, total recoverableAVERAGE report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableMAXIMUM report only all year
001Zinc, total recoverableDAILY MX report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX report only all year
001Cadmium, total recoverableAVERAGE report only all year
001Cadmium, total recoverableMO AVG report only all year
001Cadmium, total recoverableMAXIMUM report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Cadmium, total recoverableMO AVG report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableAVERAGE report only all year
001Lead, total recoverableMO AVG report only all year
001Lead, total recoverableMAXIMUM report only all year
001Lead, total recoverableDAILY MX report only all year
001Lead, total recoverableMO AVG report only all year
001Lead, total recoverableDAILY MX report only all year
001Chromium, total recoverableAVERAGE report only all year
001Chromium, total recoverableMO AVG report only all year
001Chromium, total recoverableMAXIMUM report only all year
001Chromium, total recoverableDAILY MX report only all year
001Chromium, total recoverableMO AVG report only all year
001Chromium, total recoverableDAILY MX report only all year
001Copper, total recoverableAVERAGE report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableMAXIMUM report only all year
001Copper, total recoverableDAILY MX report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX 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
001Phenolics, totalMO AVG report only all year
001Phenolics, totalDAILY MX report only all year
001Phenolics, totalMO AVG report only all year
001Phenolics, totalDAILY MX 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
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
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
001Toxicity, final conc toxicity unitsMAXIMUM <= 4.28 tox chronic 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 recoverableMO AVG report only all year
001Mercury, total recoverableMAXIMUM report only all year
001Mercury, total recoverableDAILY MX report only all year
001Mercury, total recoverableMO AVG report only all year
001Mercury, total recoverableDAILY MX report only all year
0011,3-DichloropropeneAVERAGE report only all year
0011,3-DichloropropeneMAXIMUM report only all year
001Chromium, hexavalent tot recoverableMO AVG report only all year
001Chromium, hexavalent tot recoverableDAILY MX report only all year
001Chromium, hexavalent tot recoverableMO AVG report only all year
001Chromium, hexavalent tot recoverableDAILY MX report only all year
0013,4-BenzofluorantheneAVERAGE report only all year
0013,4-BenzofluorantheneMAXIMUM report only all year
001Precipitation volumeMO TOTAL report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 38 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 2064 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV <= 3096 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]MX WK AV report only all year
001BOD, carb-5 day, 20 deg C, 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
002DurationMO TOTAL report only all year
002OverflowsMO TOTAL report only all year
002Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
003DurationMO TOTAL report only all year
003OverflowsMO TOTAL report only all year
003Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
004DurationMO TOTAL report only all year
004OverflowsMO TOTAL report only all year
004Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
006DurationMO TOTAL report only all year
006OverflowsMO TOTAL report only all year
006Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
007DurationMO TOTAL report only all year
007OverflowsMO TOTAL report only all year
007Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
009DurationMO TOTAL report only all year
009OverflowsMO TOTAL report only all year
009Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
010DurationMO TOTAL report only all year
010OverflowsMO TOTAL report only all year
010Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
011DurationMO TOTAL report only all year
011OverflowsMO TOTAL report only all year
011Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
013DurationMO TOTAL report only all year
013OverflowsMO TOTAL report only all year
013Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
014DurationMO TOTAL report only all year
014OverflowsMO TOTAL report only all year
014Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
015DurationMO TOTAL report only all year
015OverflowsMO TOTAL report only all year
015Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
016DurationMO TOTAL report only all year
016OverflowsMO TOTAL report only all year
016Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
019DurationMO TOTAL report only all year
019OverflowsMO TOTAL report only all year
019Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
021DurationMO TOTAL report only all year
021OverflowsMO TOTAL report only all year
021Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year

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