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Clean Water Act discharge permit · NPDES KY0111716

OLDHAM COUNTY ENVIRONMENTAL AUTHORITY REGIONAL WWTP, Crestwood, KY: NPDES KY0111716 discharge permit, effluent exceedances, inspections, penalties

OLDHAM COUNTY ENVIRONMENTAL AUTHORITY REGIONAL WWTP, held by Louisville and Jefferson County MSD, holds NPDES permit KY0111716, which discharges to Hite Crk. EPA’s file records it issued May 21, 2020 and expiring June 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedOLDHAM COUNTY ENVIRONMENTAL AUTHORITY REGIONAL WWTP
Permittee as filedLouisville and Jefferson County MSD
NPDES IDKY0111716
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMay 21, 2020
Expiration dateJune 30, 2025
AddressCrestwood, KY 40241
Receiving waterHite Crk
SubwatershedSouth Fork Harrods Creek (HUC 051401010504)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 117 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Phosphorus, total [as P]82423July 31, 2024280% over the limit
Nitrogen, ammonia total [as N]444January 31, 2026103% over the limit
E. coli244January 31, 20264,921% over the limit
Solids, suspended percent removal144March 31, 202387% over the limit
Solids, total suspended622February 28, 20239% over the limit
pH211December 31, 2023
Oxygen, dissolved [DO]111January 31, 20241% over the limit
Solids, total dissolved [TDS]220
BOD, carbonaceous [5 day, 20 C]600
Temperature, water deg. fahrenheit400
Nitrogen, total [as N]400
Flow, in conduit or thru treatment plant400
Oil & Grease200
Cyanide, free [amenable to chlorination]200
Hardness, total [as CaCO3]200
Arsenic, total recoverable200
Selenium, total recoverable200
Thallium, total recoverable200
Beryllium, total recoverable [as Be]200
Nickel, total recoverable200
Silver total recoverable200
Zinc, total recoverable200
Cadmium, total recoverable200
Lead, total recoverable200
Chromium, total recoverable200
Copper, total recoverable200
Antimony, total recoverable200
Dichlorobromomethane200
Carbon tetrachloride200
1,2-Dichloroethane200
Bromoform200
Chloroform200
Toluene200
Benzene200
Acenaphthylene200
Acenaphthene200
Acrolein200
Acrylonitrile200
Anthracene200
Benzo[k]fluoranthene200
Benzo[a]pyrene200
Bis[2-chloroethyl] ether200
Bis[2-chloroethoxy]methane200
Bis[2-chloroisopropyl] ether200
Butyl benzyl phthalate200
Chlorobenzene200
Chlorodibromomethane200
Chrysene200
Diethyl phthalate200
Dimethyl phthalate200
1,2-Diphenylhydrazine200
Ethylbenzene200
Fluoranthene200
Fluorene200
Hexachlorocyclopentadiene200
Hexachloroethane200
Indeno[1,2,3-cd]pyrene200
Isophorone200
Methyl bromide [Bromomethane]200
Methyl chloride [Chloromethane]200

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
August 7, 2026Permit Violations - Violation Specified in CommentST6
July 2, 2025Permit Violations - Violation Specified in CommentST6
May 10, 2024Permit Violations - Violation Specified in CommentST6
November 27, 2018Effluent Violations - Narrative Effluent ViolationST6
November 27, 2018Permit Violations - Violation Specified in CommentST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, KY0111716.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID KY0111716 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.