Clean Water Act discharge permit · NPDES KYR004709

COORSTEK - LEXINGTON, Lexington, KY: NPDES KYR004709 discharge permit, effluent exceedances, inspections, penalties

Name: COORSTEK - LEXINGTON, NPDES KYR004709: Clean Water Act discharge permit record
Creator: Velarion Records
License: https://www.usa.gov/government-works

EffectivePermit status
MinorDischarger class
7Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

COORSTEK - LEXINGTON, held by CoorsTek - Lexington, holds NPDES permit KYR004709. EPA’s file records it issued May 14, 2024 and expiring July 31, 2028. 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.

What the register holds for COORSTEK - LEXINGTON: its NPDES ID, its permit type and status, its dates, its address in Lexington, Kentucky, and 7 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES KYR004709.

Identity

Facility as filed	COORSTEK - LEXINGTON
Permittee as filed	CoorsTek - Lexington
NPDES ID	KYR004709
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	May 14, 2024
Expiration date	July 31, 2028
Address	Lexington, KY 40511
Receiving water impaired	303(D) Listed
Subwatershed	Town Branch (HUC 051002050902)
Other EPA IDs (FRS)	RCRA handler KY0000328336; ICIS-AIR source KY0000002106700180

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

Effluent limits and exceedances

7Pollutants on file
7Under a numeric limit
0With 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	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Temperature, water deg. fahrenheit	2	0	0
pH	2	0	0
Solids, total suspended	2	0	0
Oil & Grease	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
Chlorine, total residual	2	0	0
Chemical Oxygen Demand [COD]	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES KYR004709.

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 KYR004709.

Inspections

EPA’s inspection file holds no inspection for NPDES KYR004709.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES KYR004709.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, KYR004709.

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How we handle your data → Privacy

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 KYR004709 there.

Nearby on the register

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

The COORSTEK - LEXINGTON page in the Velarion Records register covers NPDES permit KYR004709, held by CoorsTek - Lexington, with a status of Effective, a minor discharger class, and a permit issued May 14, 2024 and expiring July 31, 2028. The page lists 7 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with no effluent or single-event violation recorded, and it notes the Town Branch (HUC 051002050902) subwatershed.