Clean Water Act discharge permit · NPDES KY0113166

CASTLEN ENTERPRISES, Owensboro, KY: NPDES KY0113166 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
0Pollutants with an effluent exceedance

CASTLEN ENTERPRISES, held by Castlen Enterprises LLC, holds NPDES permit KY0113166. EPA’s file records it issued February 9, 2021 and expiring February 28, 2026. 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 filed	CASTLEN ENTERPRISES
Permittee as filed	Castlen Enterprises LLC
NPDES ID	KY0113166
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	February 9, 2021
Expiration date	February 28, 2026
Address	Owensboro, KY 42303
Receiving water impaired	303(D) Listed
Subwatershed	Jackson Creek-Ohio River (HUC 051402011202)

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

Effluent limits and exceedances

10Pollutants on file
10Under a numeric limit
10With a violation of any kind
0With 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.

Pollutant or measure	Limits	Violations, any kind
pH	2	2
Solids, total suspended	2	2
Oil & Grease	2	2
Nitrogen, total [as N]	2	2
Phosphorus, total [as P]	2	2
Hardness, total [as CaCO3]	2	2
Chloride [as Cl]	2	2
Iron, total recoverable	2	2
Copper, total recoverable	2	2
Flow, in conduit or thru treatment plant	2	2

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES KY0113166.

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

4Single-event violations

Date	What EPA recorded	Agency
March 26, 2026	Permit Violations - Discharge Without a Valid Permit	ST6
March 26, 2026	Permit Violations - Violation Specified in Comment	ST6
February 2, 2022	Permit Violations - Violation Specified in Comment	ST6
February 2, 2022	Management Practice Violations - Best Management Practice Deficiencies	ST6

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 KY0113166 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES KY0113166, held by Castlen Enterprises LLC for the CASTLEN ENTERPRISES facility in Owensboro, KY, which is listed as administratively continued after its February 28, 2026 expiration. The page reports 10 pollutants on file, 10 under a numeric limit, 10 with a violation of any kind, and 0 with an effluent exceedance.