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Clean Water Act discharge permit · NPDES KY0073377

OWENSBORO EAST STP, Owensboro, KY: NPDES KY0073377 discharge permit, effluent exceedances, inspections, penalties

OWENSBORO EAST STP, held by Owensboro East STP, holds NPDES permit KY0073377, which discharges to Ohio River. EPA’s file records it issued December 29, 2016 and expiring January 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedOWENSBORO EAST STP
Permittee as filedOwensboro East STP
NPDES IDKY0073377
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
IssuedDecember 29, 2016
Expiration dateJanuary 31, 2022
AddressOwensboro, KY 42301
Receiving waterOHIO RIVER
Receiving water impaired303(D) Listed
SubwatershedJackson Creek-Ohio River (HUC 051402011202)
Other EPA IDs (FRS)RCRA handler KYR000003814

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

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 119 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended68771February 28, 2022796% over the limit
BOD, 5-day, 20 deg. C65337February 28, 2022242% over the limit
E. coli22420December 31, 20181,554% over the limit
Solids, suspended percent removal11512March 31, 2019429% over the limit
BOD, 5-day, percent removal173March 31, 2019129% over the limit
Coliform, fecal general033January 31, 200692% over the limit
Oxygen, dissolved [DO]142July 31, 200210% over the limit
Chlorine, total residual232May 31, 2010374% over the limit
Toxicity, final conc toxicity units121September 30, 202299,999% over the limit
Flow, in conduit or thru treatment plant480
Nitrogen, ammonia total [as N]280
Phosphorus, total [as P]440
pH240
Nitrogen, total [as N]240
Temperature, water deg. fahrenheit200
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

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
January 12, 2023Management Practice Violations - Improper Operation and MaintenanceST6
January 12, 2023Permit Violations - Violation Specified in CommentST6
May 15, 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.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES KY0073377 for OWENSBORO EAST STP in Owensboro, KY, which discharges to the OHIO RIVER, a receiving water listed as impaired under 303(D). The permit is listed as administratively continued and as a Major Discharger, with 9 pollutants under a numeric limit and 118 pollutants with an effluent exceedance, and it is identified within the Jackson Creek-Ohio River watershed (HUC 051402011202).