Clean Water Act discharge permit · NPDES KYP000041

DRY RIDGE, CITY OF, Williamstown, KY: NPDES KYP000041 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
3Pollutants under a numeric limit
0Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

DRY RIDGE, CITY OF, held by Dry Ridge, City of, holds NPDES permit KYP000041, which discharges to Williamstown Stp. EPA’s file records it issued December 12, 2018 and expiring January 31, 2024.

DRY RIDGE, CITY OF, Williamstown, Kentucky: State-issued individual permit KYP000041, held by Dry Ridge, City of; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued December 12, 2018, term to January 31, 2024; discharges to WILLIAMSTOWN STP.

Flow, in conduit or thru treatment plant: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Population served: 1 limit, 3 violations of any kind, 0 effluent exceedances.
Industrial contribution % of influent: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Precipitation volume: 0 limits, 2 violations of any kind, 0 effluent exceedances.

June 1, 2026: Evaluation (S).

Kentucky holds 50 Publicly owned treatment works coverages of this permit type in EPA’s file; 38 were issued before KYP000041.

Coverages issued nearest KYP000041

August 2, 2018: CLAY CITY WWTP, Clay City, KYP000084, held by Clay City WWTP
October 16, 2018: STANTON, CITY OF, Stanton, KYP000085, held by Stanton, City of
October 17, 2018: WEBSTER COUNTY SANITATION DISTRICT, Dixon, KYP000055, held by Webster County Sanitation District
November 28, 2018: LORETTO, CITY OF, Loretto, KYP000073, held by Loretto, City of
December 5, 2018: CORYDON, CITY OF, Henderson, KYP000042, held by Corydon, City of
April 8, 2019: BURNSIDE, CITY OF, Burnside, KYP000069, held by Burnside, City of
June 27, 2019: POWDERLY, CITY OF, Powderly, KYP000064, held by Powderly, City of
June 27, 2019: LYON COUNTY WATER DISTRICT, Kuttawa, KYP000079, held by Lyon County Water District
June 27, 2019: BLOOMFIELD WWTP, Bloomfield, KYP000086, held by Bloomfield WWTP
October 2, 2019: RACELAND, CITY OF, Russell, KYP000038, held by Raceland, City of

DRY RIDGE, CITY OF among its neighbors

EPA’s permit file holds 13 discharge permits in the Clarks Creek subwatershed (HUC 051002051308), KYP000041 among them. Its county holds 51, 1 of them major permits; KYP000041 is a minor permit.

Other permits in the Clarks Creek subwatershed (HUC 051002051308)

CEDAR CREST HOMEOWNERS ASSOC, Dry Ridge: KY0108120, minor permit, discharging to UT / JACKS LICK, permit term to January 31, 2026
DERBY RUN SUBDIVISION, Williamstown: KYR10U739, minor permit, discharging to Williams Branch, permit term to December 31, 2029
DRY RIDGE MHP PROJECT, Dry Ridge: KYR10T271, minor permit, discharging to Jacks Lick, permit term to December 31, 2029
DUKE ENERGY 5367 GLT PROJECT, Williamstown: KYR10U145, minor permit, discharging to Clarks Creek, permit term to December 31, 2029
GRANT CO STATE MAINTENANCE GARAGE, Williamstown: KYR004728, minor permit, permit term to July 31, 2028
GRANT COUNTY SCHOOLS, Dry Ridge: KYR10U216, minor permit, discharging to Jacks Lick, permit term to December 31, 2029
MASON/CORINTH ELEMENTARY SCHOOL, Williamstown: KY0094765, minor permit, discharging to CLARKS CRK, permit term to May 31, 2023
SMYRNA READY MIX CONCRETE LLC PLANT 230, Dry Ridge: KYG110197, minor permit, permit term to January 31, 2020
STANCO RECYCLING, Dry Ridge: KY0113719, minor permit, permit term to December 31, 2028
THOROUGHBRED RUN LOTS 73, 74, 81-83, 87, 89, 96-101, Williamstown: KYR10U058, minor permit, discharging to Williams Branch, permit term to December 31, 2029

Identity

Facility as filed	DRY RIDGE, CITY OF
Permittee as filed	Dry Ridge, City of
NPDES ID	KYP000041
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	State-issued individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	December 12, 2018
Expiration date	January 31, 2024
Address	Williamstown, KY 41097
Receiving water	WILLIAMSTOWN STP
Subwatershed	Clarks Creek (HUC 051002051308)

Effluent limits and exceedances

4Pollutants on file
3Under a numeric limit
4With 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
Flow, in conduit or thru treatment plant	2	6
Population served	1	3
Industrial contribution % of influent	1	2
Precipitation volume	0	2

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES KYP000041.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES KYP000041.

Inspections

Date	What EPA recorded	Agency
June 1, 2026	Evaluation	S

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 KYP000041.

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

This public-records page covers Clean Water Act discharge permit NPDES KYP000041, held by DRY RIDGE, CITY OF of Williamstown, KY, which is a minor discharger class permit administratively continued past its expiration date. The page lists 4 pollutants on file, 3 under a numeric limit, and 4 with a violation of any kind, with 0 pollutants under a numeric limit showing an effluent exceedance.