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Clean Water Act discharge permit · NPDES KY0098043

MADISONVILLE STP WEST SIDE, Madisonville, KY: NPDES KY0098043 discharge permit, effluent exceedances, inspections, penalties

MADISONVILLE STP WEST SIDE, held by Madisonville STP West Side, holds NPDES permit KY0098043, which discharges to Greasy Crk. EPA’s file records it issued August 2, 2018 and expiring September 30, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMADISONVILLE STP WEST SIDE
Permittee as filedMadisonville STP West Side
NPDES IDKY0098043
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
IssuedAugust 2, 2018
Expiration dateSeptember 30, 2023
AddressMadisonville, KY 42431
Receiving waterGREASY CRK
SubwatershedGreasy Creek-Clear Creek (HUC 051402050202)
Program components on filePOTW, Pretreatment
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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 124 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, ammonia total [as N]82929July 31, 2026186% over the limit
Solids, total suspended62121February 28, 2025745% over the limit
BOD, carbonaceous [5 day, 20 C]61515November 30, 202493% over the limit
E. coli21212July 31, 202499,999% over the limit
Coliform, fecal general055April 30, 2011213% over the limit
Solids, suspended percent removal144April 30, 202433% over the limit
Methylene chloride361March 31, 2019106% over the limit
Cyanide, free available231March 31, 202215% over the limit
Oxygen, dissolved [DO]111January 31, 201733% over the limit
Toxicity, final conc toxicity units111September 30, 2005408% over the limit
Cadmium, total recoverable860
Oil & Grease640
Cyanide, free [amenable to chlorination]640
Selenium, total recoverable640
Silver total recoverable640
Lead, total recoverable640
Thallium, total recoverable240
Beryllium, total recoverable [as Be]240
Antimony, total recoverable240
Dichlorobromomethane240
Carbon tetrachloride240
1,2-Dichloroethane240
Bromoform240
Toluene240
Benzene240
Acenaphthylene240
Acenaphthene240
Acrolein240
Acrylonitrile240
Anthracene240
Benzo[k]fluoranthene240
Benzo[a]pyrene240
Bis[2-chloroethyl] ether240
Bis[2-chloroethoxy]methane240
Bis[2-chloroisopropyl] ether240
Butyl benzyl phthalate240
Chlorobenzene240
Chlorodibromomethane240
Chrysene240
Diethyl phthalate240
Dimethyl phthalate240
1,2-Diphenylhydrazine240
Ethylbenzene240
Fluoranthene240
Fluorene240
Hexachlorocyclopentadiene240
Hexachloroethane240
Indeno[1,2,3-cd]pyrene240
Isophorone240
Methyl chloride [Chloromethane]240
N-Nitrosodi-N-propylamine240
N-Nitrosodiphenylamine240
N-Nitrosodimethylamine [NDMA]240
Nitrobenzene240
Phenanthrene240
Pyrene240
Tetrachloroethylene240
1,1-Dichloroethane240
1,1-Dichloroethylene240
1,1,1-Trichloroethane240

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
September 4, 2025Permit Violations - Violation Specified in CommentST6
March 29, 2022Management Practice Violations - Improper Operation and MaintenanceST6
March 29, 2022Permit Violations - Violation Specified in CommentST6
March 10, 2020Management Practice Violations - Improper Operation and MaintenanceST6
May 7, 2019Management Practice Violations - Improper Operation and MaintenanceST6
January 17, 2019Effluent Violations - Narrative Effluent ViolationST6
January 17, 2019Management Practice Violations - Improper Operation and MaintenanceST6
November 9, 2017Management Practice Violations - Improper Operation and MaintenanceST6
April 20, 2017Management Practice Violations - Improper Operation and MaintenanceST6
April 20, 2017Effluent Violations - Narrative Effluent ViolationST6
April 20, 2017Permit 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 October 14, 2026.

What this page shows

This public-records page covers NPDES permit KY0098043 for the Madisonville STP West Side wastewater facility in Madisonville, KY, which discharges to Greasy Crk and is administratively continued past its September 30, 2023 expiration. The page lists 123 as the discharger class and 10 pollutants with a numeric limit, of which 10 had an effluent exceedance.