Clean Water Act discharge permit · NPDES KY0109665

WIILLIAMSTOWN WTP, Williamstown, KY: NPDES KY0109665 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
7Pollutants under a numeric limit
1Pollutants with an effluent exceedance

WIILLIAMSTOWN WTP, held by Wiilliamstown WTP, holds NPDES permit KY0109665, which discharges to Williamstown Lake. EPA’s file records it issued September 29, 2011 and expiring October 31, 2016. 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 filed	WIILLIAMSTOWN WTP
Permittee as filed	Wiilliamstown WTP
NPDES ID	KY0109665
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	September 29, 2011
Expiration date	October 31, 2016
Address	Williamstown, KY 41097
Receiving water	WILLIAMSTOWN LAKE
Subwatershed	South Fork Grassy Creek (HUC 051001011204)
NAICS	221310 – Water Supply and Irrigation Systems
SIC	4941 – Water Supply

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

7Pollutants on file
7Under a numeric limit
7With a violation of any kind
1With 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
Solids, total suspended	2	9	5	April 30, 2020	173% over the limit
Phosphorus, total [as P]	2	6	0
Iron, total recoverable	2	6	0
Chlorine, total residual	4	4	0
pH	2	4	0
Aluminum, total recoverable	2	4	0
Flow, in conduit or thru treatment plant	2	4	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 KY0109665.

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.

Watch this permit

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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 KY0109665 there.

Nearby on the register

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

This public-records page covers NPDES permit KY0109665 held by Wiilliamstown WTP for the WIILLIAMSTOWN WTP in Williamstown, KY, which discharges to Williamstown Lake, with a status of Effective and a Minor discharger class. The page lists 7 pollutants on file, 7 under a numeric limit, 1 pollutant with an effluent exceedance, and 7 with a violation of any kind.