Clean Water Act discharge permit · NPDES KY0065889

SIMPSONVILLE STP, Simpsonville, KY: NPDES KY0065889 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
16Pollutants under a numeric limit
11Pollutants with an effluent exceedance
2Inspections on file
0Formal enforcement actions

SIMPSONVILLE STP, held by Simpsonville STP, holds NPDES permit KY0065889, which discharges to Little Bullskin Crk. EPA’s file records it issued September 14, 2018 and expiring October 31, 2023.

SIMPSONVILLE STP, Simpsonville, Kentucky: Individual permit KY0065889, held by Simpsonville STP; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued September 14, 2018, term to October 31, 2023; discharges to LITTLE BULLSKIN CRK; Sewage Treatment Facilities.

Nitrogen, ammonia total [as N]: 4 limits, 85 violations of any kind, 73 effluent exceedances, latest February 28, 2025, largest 99,999% over the limit.
BOD, carbonaceous [5 day, 20 C]: 8 limits, 39 violations of any kind, 37 effluent exceedances, latest April 30, 2013, largest 414% over the limit.
Solids, suspended percent removal: 1 limit, 27 violations of any kind, 26 effluent exceedances, latest January 31, 2013, largest 300% over the limit.
Coliform, fecal general: 0 limits, 18 violations of any kind, 18 effluent exceedances, latest September 30, 2012, largest 99,999% over the limit.
Phosphorus, total [as P]: 8 limits, 16 violations of any kind, 14 effluent exceedances, latest September 30, 2024, largest 207% over the limit.
Solids, total suspended: 8 limits, 14 violations of any kind, 14 effluent exceedances, latest April 30, 2008, largest 128% over the limit.
BOD, carb-5 day, 20 deg C, percent removal: 1 limit, 5 violations of any kind, 4 effluent exceedances, latest November 30, 2011, largest 123% over the limit.
BOD, 5-day, percent removal: 0 limits, 4 violations of any kind, 4 effluent exceedances, latest July 31, 2006, largest 73% over the limit.
E. coli: 2 limits, 3 violations of any kind, 3 effluent exceedances, latest November 30, 2021, largest 99,999% over the limit.
BOD, 5-day, 20 deg. C: 0 limits, 3 violations of any kind, 3 effluent exceedances, latest November 30, 2006, largest 27% over the limit.
Oxygen, dissolved [DO]: 1 limit, 2 violations of any kind, 2 effluent exceedances, latest September 30, 2006, largest 46% over the limit.
Flow, in conduit or thru treatment plant: 6 limits, 20 violations of any kind, 0 effluent exceedances.
Temperature, water deg. fahrenheit: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Oil & Grease: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Nitrogen, Kjeldahl Total: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Nitrite Plus Nitrate Total: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Solids, total dissolved [TDS]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 1 violation of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 4 limits, 0 violations of any kind, 0 effluent exceedances.

July 23, 2026: Reconnaissance without Sampling (S).
January 7, 2026: Permit Violations - Violation Specified in Comment (ST6).
January 7, 2026: Evaluation (S).

Kentucky holds 294 Publicly owned treatment works coverages of this permit type in EPA’s file; 182 were issued before KY0065889.

Coverages issued nearest KY0065889

August 24, 2018: ALPINE VILLAGE SUBDIVISION, Greenup, KY0077194, held by Alpine Village Subdivision
August 27, 2018: EAST PENDLETON WATER DISTRICT, Falmouth, KY0075311, held by East Pendleton Water District
September 11, 2018: ADAIRVILLE STP, Adairville, KY0020885, held by Adairville STP
September 14, 2018: RED RIVER WWTP, Stanton, KY0034428, held by Red River WWTP
September 14, 2018: GEORGETOWN STP #3, Stamping Ground, KY0050512, held by Georgetown STP #3
September 24, 2018: SOUTH HOPKINS REGIONAL WWTP, Nortonville, KY0066583, held by South Hopkins Regional WWTP
September 24, 2018: GRANT COUNTY STP, Dry Ridge, KY0091634, held by Grant County STP
September 26, 2018: BENTON STP, Benton, KY0021172, held by Benton STP
October 3, 2018: CMUC STP, Morgantown, KY0021024, held by Cmuc STP
October 16, 2018: MARTIN STP, Martin, KY0026921, held by Martin STP

SIMPSONVILLE STP among its neighbors

EPA’s permit file holds 18 discharge permits in the Lower Bullskin Creek subwatershed (HUC 051401020406), KY0065889 among them. Its county holds 139, 1 of them major permits; KY0065889 is a minor permit.

Other permits in the Lower Bullskin Creek subwatershed (HUC 051401020406)

CHARLES RICHMOND RESIDENCE, Shelbyville: KYG405433, minor permit, permit term to August 31, 2028
DISCOVERY POINT SECTION 2, Shelbyville: KYR10U865, minor permit, discharging to Bullskin Creek, permit term to December 31, 2029
DISCOVERY POINT SECTION 3, Shelbyville: KYR10U866, minor permit, discharging to Bullskin Creek, permit term to December 31, 2029
DISCOVERY POINT SUBDIVISION, PHASE 510, Shelbyville: KYR10T093, minor permit, discharging to Bullskin Creek, permit term to December 31, 2029
DISCOVERY POINT SUBDIVISION, PHASE 520, Shelbyville: KYR10T094, minor permit, discharging to Bullskin Creek, permit term to December 31, 2029
DISCOVERY POINT SUBDIVISION, PHASE 620, Shelbyville: KYR10T092, minor permit, discharging to Bullskin Creek, permit term to December 31, 2029
FB PURNELL SAUSAGE CO, Simpsonville: KY0001309, minor permit, discharging to LITTLE BULLSKIN CRK, permit term to September 30, 2023
GRIBBONS PROPERTY, Simpsonville: KYR10U323, minor permit, discharging to Bullskin Creek, permit term to December 31, 2029
JERRY BROWN RESIDENCE, Shelbyville: KYG404014, minor permit, permit term to August 31, 2023
JON & KELLY MILES RESIDENCE, Simpsonville: KYG405828, minor permit, permit term to August 31, 2028

Identity

Facility as filed	SIMPSONVILLE STP
Permittee as filed	Simpsonville STP
NPDES ID	KY0065889
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	September 14, 2018
Expiration date	October 31, 2023
Address	Simpsonville, KY 40067
Receiving water	LITTLE BULLSKIN CRK
Subwatershed	Lower Bullskin Creek (HUC 051401020406)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

19Pollutants on file
16Under a numeric limit
18With a violation of any kind
11With 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
Nitrogen, ammonia total [as N]	4	85	73	February 28, 2025	99,999% over the limit
BOD, carbonaceous [5 day, 20 C]	8	39	37	April 30, 2013	414% over the limit
Solids, suspended percent removal	1	27	26	January 31, 2013	300% over the limit
Coliform, fecal general	0	18	18	September 30, 2012	99,999% over the limit
Phosphorus, total [as P]	8	16	14	September 30, 2024	207% over the limit
Solids, total suspended	8	14	14	April 30, 2008	128% over the limit
BOD, carb-5 day, 20 deg C, percent removal	1	5	4	November 30, 2011	123% over the limit
BOD, 5-day, percent removal	0	4	4	July 31, 2006	73% over the limit
E. coli	2	3	3	November 30, 2021	99,999% over the limit
BOD, 5-day, 20 deg. C	0	3	3	November 30, 2006	27% over the limit
Oxygen, dissolved [DO]	1	2	2	September 30, 2006	46% over the limit
Flow, in conduit or thru treatment plant	6	20	0
Temperature, water deg. fahrenheit	2	2	0
Oil & Grease	2	2	0
Nitrogen, Kjeldahl Total	2	2	0
Nitrite Plus Nitrate Total	2	2	0
Solids, total dissolved [TDS]	2	2	0
pH	2	1	0
Nitrogen, total [as N]	4	0	0

Inspections, violations and enforcement

1Single-event violations

Date	What EPA recorded	Agency
January 7, 2026	Permit Violations - Violation Specified in Comment	ST6

Inspections

Date	What EPA recorded	Agency
July 23, 2026	Reconnaissance without Sampling	S
January 7, 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 KY0065889.

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Nearby on the register

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

This public-records page covers the NPDES KY0065889 Clean Water Act discharge permit held by Simpsonville STP for SIMPSONVILLE STP in Simpsonville, KY, which discharges to Little Bullskin Crk. The permit is listed as administratively continued, with 11 pollutants under a numeric limit and 11 pollutants with an effluent exceedance.