Clean Water Act discharge permit · NPDES KY0023540

CENTRAL CITY STP, Central City, KY: NPDES KY0023540 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
121Pollutants under a numeric limit
8Pollutants with an effluent exceedance

CENTRAL CITY STP, held by Central City STP, holds NPDES permit KY0023540, which discharges to Green River. EPA’s file records it issued July 11, 2014 and expiring August 31, 2019. 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 filed	CENTRAL CITY STP
Permittee as filed	Central City STP
NPDES ID	KY0023540
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	July 11, 2014
Expiration date	August 31, 2019
Address	Central City, KY 42330
Receiving water	GREEN RIVER
Subwatershed	Elk Creek-Green River (HUC 051100030505)

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

Effluent limits and exceedances

122Pollutants on file
121Under a numeric limit
111With a violation of any kind
8With an effluent exceedance

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 122 are shown.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
E. coli	4	31	28	June 30, 2026	908% over the limit
Solids, suspended percent removal	2	30	24	August 31, 2021	347% over the limit
BOD, 5-day, 20 deg. C	16	40	17	October 31, 2024	163% over the limit
Solids, total suspended	16	32	15	April 30, 2021	134% over the limit
BOD, 5-day, percent removal	1	16	13	September 30, 2021	327% over the limit
Nitrogen, ammonia total [as N]	8	13	5	August 31, 2021	123% over the limit
Coliform, fecal general	0	5	5	December 31, 2012	144% over the limit
Oxygen, dissolved [DO]	2	3	1	August 31, 2021	65% over the limit
Flow, in conduit or thru treatment plant	4	10	0
Phosphorus, total [as P]	10	7	0
Cadmium, total recoverable	10	6	0
Oil & Grease	6	6	0
Cyanide, free [amenable to chlorination]	6	6	0
Selenium, total recoverable	6	6	0
Silver total recoverable	6	6	0
Chromium, total recoverable	6	6	0
Mercury, total recoverable	6	6	0
Beryllium, total recoverable [as Be]	2	6	0
Antimony, total recoverable	2	6	0
Dichlorobromomethane	2	6	0
Carbon tetrachloride	2	6	0
1,2-Dichloroethane	2	6	0
Bromoform	2	6	0
Chloroform	2	6	0
Toluene	2	6	0
Benzene	2	6	0
Acenaphthylene	2	6	0
Acenaphthene	2	6	0
Acrolein	2	6	0
Acrylonitrile	2	6	0
Anthracene	2	6	0
Benzo[k]fluoranthene	2	6	0
Benzo[a]pyrene	2	6	0
Bis[2-chloroethyl] ether	2	6	0
Bis[2-chloroethoxy]methane	2	6	0
Butyl benzyl phthalate	2	6	0
Chlorobenzene	2	6	0
Chrysene	2	6	0
Diethyl phthalate	2	6	0
Dimethyl phthalate	2	6	0
1,2-Diphenylhydrazine	2	6	0
Ethylbenzene	2	6	0
Fluoranthene	2	6	0
Fluorene	2	6	0
Hexachlorocyclopentadiene	2	6	0
Hexachloroethane	2	6	0
Indeno[1,2,3-cd]pyrene	2	6	0
Isophorone	2	6	0
Methyl bromide [Bromomethane]	2	6	0
Methyl chloride [Chloromethane]	2	6	0
Methylene chloride	2	6	0
N-Nitrosodi-N-propylamine	2	6	0
N-Nitrosodiphenylamine	2	6	0
N-Nitrosodimethylamine [NDMA]	2	6	0
Nitrobenzene	2	6	0
Phenanthrene	2	6	0
Pyrene	2	6	0
Tetrachloroethylene	2	6	0
1,1-Dichloroethane	2	6	0
1,1-Dichloroethylene	2	6	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES KY0023540.

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 KY0023540 there.

Nearby on the register

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