Clean Water Act discharge permit · NPDES KY0106739

WOODFORD OIL CO, Danville, KY: NPDES KY0106739 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
4Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

WOODFORD OIL CO, held by Woodford Oil Co, holds NPDES permit KY0106739, which discharges to Clarks Run. EPA’s file records it issued June 26, 2018 and expiring July 31, 2023. 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	WOODFORD OIL CO
Permittee as filed	Woodford Oil Co
NPDES ID	KY0106739
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	June 26, 2018
Expiration date	July 31, 2023
Address	Danville, KY 40422
Receiving water	CLARKS RUN
Receiving water impaired	303(D) Listed
Subwatershed	Clarks Run (HUC 051002050505)

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

Effluent limits and exceedances

13Pollutants on file
8Under a numeric limit
13With a violation of any kind
4With 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	78	70	April 30, 2020	1,733% over the limit
Oil and grease	0	22	14	September 30, 2017	1,720% over the limit
Chlorine, total residual	0	7	2	November 30, 2011	47,268% over the limit
Oil & Grease	2	1	1	January 31, 2021	43% over the limit
pH	2	8	0
Flow, in conduit or thru treatment plant	2	8	0
Surfactants [MBAS]	0	8	0
Toluene	2	4	0
Benzene	2	4	0
Ethylbenzene	2	4	0
Xylene [mix of m+o+p]	2	4	0
Naphthalene	0	2	0
Chemical Oxygen Demand [COD]	0	2	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

3Single-event violations

Date	What EPA recorded	Agency
January 25, 2018	Permit Violations - Violation Specified in Comment	ST6
January 25, 2018	Management Practice Violations - Improper Operation and Maintenance	ST6
January 31, 2017	Permit Violations - Violation Specified in Comment	ST6

Inspections

Date	What EPA recorded	Agency
September 4, 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 KY0106739.

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 KY0106739 there.

WOODFORD OIL CO, Danville, Kentucky: Individual permit KY0106739, held by Woodford Oil Co; Administratively continued (past its expiration date and still in force until reissued); issued June 26, 2018, term to July 31, 2023; discharges to CLARKS RUN.

Solids, total suspended: 2 limits, 78 violations of any kind, 70 effluent exceedances, latest April 30, 2020, largest 1,733% over the limit.
Oil and grease: 0 limits, 22 violations of any kind, 14 effluent exceedances, latest September 30, 2017, largest 1,720% over the limit.
Chlorine, total residual: 0 limits, 7 violations of any kind, 2 effluent exceedances, latest November 30, 2011, largest 47,268% over the limit.
Oil & Grease: 2 limits, 1 violation of any kind, 1 effluent exceedance, latest January 31, 2021, largest 43% over the limit.
pH: 2 limits, 8 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 8 violations of any kind, 0 effluent exceedances.
Surfactants [MBAS]: 0 limits, 8 violations of any kind, 0 effluent exceedances.
Toluene: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Benzene: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Ethylbenzene: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Xylene [mix of m+o+p]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Naphthalene: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Chemical Oxygen Demand [COD]: 0 limits, 2 violations of any kind, 0 effluent exceedances.

September 4, 2026: Evaluation (S).
January 25, 2018: Permit Violations - Violation Specified in Comment (ST6).
January 25, 2018: Management Practice Violations - Improper Operation and Maintenance (ST6).
January 31, 2017: Permit Violations - Violation Specified in Comment (ST6).

WOODFORD OIL CO among its neighbors

EPA’s permit file holds 19 discharge permits in the Clarks Run subwatershed (HUC 051002050505), KY0106739 among them. Its county holds 31, 1 of them major permits; KY0106739 is a minor permit.

Other permits in the Clarks Run subwatershed (HUC 051002050505)

BOYLE CO STATE MAINTENANCE GARAGE, Danville: KYR004607, minor permit, permit term to July 31, 2028
BYPASS CENTRE SEC 4 SUBDIVISION, Danville: KYR10U260, minor permit, discharging to Balls Branch, permit term to December 31, 2029
CULVER'S - DANVILLE, KY, Danville: KYR10U588, minor permit, discharging to Clarks Run, permit term to December 31, 2029
DANVILLE STP, Danville: KY0057193, major permit, discharging to CLARKS RUN, permit term to March 31, 2025
DANVILLE STP, Danville: KYL057193, minor permit, permit term to December 31, 2025
DANVILLE, CITY OF, Danville: KYG200014, minor permit, discharging to VARIOUS, permit term to March 31, 2015
EPHRAIM MCDOWELL REGIONAL MEDICAL CENTER - FACILITY EXPANSION, Danville: KYR10T630, minor permit, discharging to Clarks Run, permit term to December 31, 2029
EXPRESS OIL CHANGE - DANVILLE, Danville: KYR10U466, minor permit, discharging to Clarks Run, permit term to December 31, 2029
J.W. BATE MIDDLE SCHOOL RENOVATION, Danville: KYR10U526, minor permit, discharging to Clarks Run, permit term to December 31, 2029
JOHN H STIGALL DRIVE, Danville: KYR10U053, minor permit, discharging to Clarks Run, permit term to December 31, 2029

Nearby on the register

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

This public-records page covers NPDES permit KY0106739, held by WOODFORD OIL CO of Danville, KY, which discharges to Clarks Run within HUC 051002050505 and is listed as impaired under 303(D). The permit is administratively continued, with 13 pollutants on file, 8 under a numeric limit, and 4 with an effluent exceedance.