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Clean Water Act discharge permit · NPDES KY0063649

GUTHRIE STP, Guthrie, KY: NPDES KY0063649 discharge permit, effluent exceedances, inspections, penalties

GUTHRIE STP, held by Guthrie STP, holds NPDES permit KY0063649, which discharges to Ut / Spring Crk. EPA’s file records it issued September 21, 2016 and expiring October 31, 2021. 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 filedGUTHRIE STP
Permittee as filedGuthrie STP
NPDES IDKY0063649
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedSeptember 21, 2016
Expiration dateOctober 31, 2021
AddressGuthrie, KY 42234
Receiving waterUT / SPRING CRK
SubwatershedWolf Creek-Clear Fork (HUC 051301010607)

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 121 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
E. coli24230July 31, 20259,983% over the limit
Solids, total suspended65418November 30, 20251,628% over the limit
Solids, suspended percent removal12218February 28, 2026967% over the limit
BOD, carbonaceous [5 day, 20 C]66115March 31, 2025203% over the limit
Oxygen, dissolved [DO]11612July 31, 202626% over the limit
BOD, carb-5 day, 20 deg C, percent removal11611June 30, 2026560% over the limit
Nitrogen, ammonia total [as N]8335July 31, 202445% over the limit
pH291June 30, 2026
Toxicity, final conc toxicity units141September 30, 2004232% over the limit
Flow, in conduit or thru treatment plant4220
Phosphorus, total [as P]8120
Nitrogen, total [as N]2120
Oil & Grease620
Cyanide, free [amenable to chlorination]620
Selenium, total recoverable620
Silver total recoverable620
Cadmium, total recoverable620
Lead, total recoverable620
Chromium, total recoverable620
Mercury, total recoverable620
Thallium, total recoverable220
Beryllium, total recoverable [as Be]220
Antimony, total recoverable220
Dichlorobromomethane220
Carbon tetrachloride220
1,2-Dichloroethane220
Bromoform220
Chloroform220
Toluene220
Benzene220
Acenaphthylene220
Acenaphthene220
Acrolein220
Acrylonitrile220
Anthracene220
Benzo[k]fluoranthene220
Benzo[a]pyrene220
Bis[2-chloroethyl] ether220
Bis[2-chloroethoxy]methane220
Bis[2-chloroisopropyl] ether220
Butyl benzyl phthalate220
Chlorobenzene220
Chlorodibromomethane220
Chrysene220
Diethyl phthalate220
Dimethyl phthalate220
1,2-Diphenylhydrazine220
Ethylbenzene220
Fluoranthene220
Fluorene220
Hexachlorocyclopentadiene220
Hexachloroethane220
Indeno[1,2,3-cd]pyrene220
Isophorone220
Methyl bromide [Bromomethane]220
Methyl chloride [Chloromethane]220
Methylene chloride220
N-Nitrosodi-N-propylamine220
N-Nitrosodiphenylamine220
N-Nitrosodimethylamine [NDMA]220

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
April 20, 2026Effluent Violations - Narrative Effluent ViolationST6
October 29, 2025Effluent Violations - Failed Toxicity TestST6
April 3, 2025Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)ST6
February 25, 2025Permit Violations - Violation Specified in CommentST6
February 25, 2025Management Practice Violations - Improper Operation and MaintenanceST6
August 20, 2024Permit Violations - Violation Specified in CommentST6
August 20, 2024Management Practice Violations - Improper Operation and MaintenanceST6
May 12, 2023Management Practice Violations - Improper Operation and MaintenanceST6
May 12, 2023Permit Violations - Violation Specified in CommentST6
December 29, 2021Management Practice Violations - Improper Operation and MaintenanceST6
July 27, 2018Management Practice Violations - Improper Operation and MaintenanceST6
July 27, 2018Permit Violations - Violation Specified in CommentST6
April 10, 2018Management Practice Violations - Improper Operation and MaintenanceST6

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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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 KY0063649 there.

Nearby on the register

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