Clean Water Act discharge permit · NPDES KY0093726

MARATHON PIPELINE LLC, Owensboro, KY: NPDES KY0093726 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
9Pollutants under a numeric limit
1Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

MARATHON PIPELINE LLC holds NPDES permit KY0093726, which discharges to Na. EPA’s file records it issued February 8, 2010 and expiring March 31, 2015.

MARATHON PIPELINE LLC, Owensboro, Kentucky: Individual permit KY0093726; Effective; issued February 8, 2010, term to March 31, 2015; discharges to NA.

Solids, total suspended: 12 limits, 577 violations of any kind, 3 effluent exceedances, latest August 31, 2018, largest 15% over the limit.
Flow, in conduit or thru treatment plant: 12 limits, 578 violations of any kind, 0 effluent exceedances.
pH: 12 limits, 576 violations of any kind, 0 effluent exceedances.
Oil and grease: 12 limits, 574 violations of any kind, 0 effluent exceedances.
Chlorine, total residual: 0 limits, 374 violations of any kind, 0 effluent exceedances.
Toluene: 12 limits, 50 violations of any kind, 0 effluent exceedances.
Benzene: 12 limits, 50 violations of any kind, 0 effluent exceedances.
Naphthalene: 12 limits, 50 violations of any kind, 0 effluent exceedances.
Ethylbenzene: 12 limits, 50 violations of any kind, 0 effluent exceedances.
Xylene [mix of m+o+p]: 12 limits, 50 violations of any kind, 0 effluent exceedances.
Polynuclear Aromatic Hydrocarbons [PAHs]: 0 limits, 50 violations of any kind, 0 effluent exceedances.

March 19, 2019: Permit Violations - Violation Specified in Comment (ST6).

MARATHON PIPELINE LLC among its neighbors

EPA’s permit file holds 14 discharge permits in the Yellow Creek subwatershed (HUC 051402011201), KY0093726 among them. Its county holds 104, 5 of them major permits; KY0093726 is a minor permit.

Other permits in the Yellow Creek subwatershed (HUC 051402011201)

2530 CALUMET TRACE STRIP CENTER, Owensboro: KYR10U484, minor permit, discharging to Horse Fork, permit term to December 31, 2029
AMERICAN METAL CHEMICAL CORPORATION INC, Owensboro: KY0111481, minor permit, discharging to Ohio River, permit term to September 30, 2021
KROGER L-756, SUBDIVISION, Owensboro: KYR10T734, minor permit, discharging to Yellow Creek, permit term to December 31, 2029
MIZKAN AMERICA INC. - PROJECT IMAGINE, Owensboro: KYR10U284, minor permit, discharging to Yellow Creek, permit term to December 31, 2029
OHIO COUNTY HEALTHPLEX, Owensboro: KYR10U152, minor permit, discharging to North Fork Muddy Creek, permit term to December 31, 2029
OWENSBORO EAST STP, Owensboro: KYL073377, minor permit, permit term to December 31, 2025
OWENSBORO MUNICIPAL UTILITIES - CAVIN WTP, Owensboro: KYG640207, minor permit, permit term to December 31, 2028
PROJECT IMAGINE, Owensboro: KYR10U301, minor permit, discharging to Ohio River, permit term to December 31, 2029
PUBLIX, Owensboro: KYR10T284, minor permit, discharging to Horse Fork, permit term to December 31, 2029
S&S EARTHSCAPES FUTURE EXPANSION AREA, Owensboro: KYR10T667, minor permit, discharging to Yellow Creek, permit term to December 31, 2029

Identity

Facility as filed	MARATHON PIPELINE LLC
Permittee as filed	MARATHON PIPELINE LLC
NPDES ID	KY0093726
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	February 8, 2010
Expiration date	March 31, 2015
Address	Owensboro, KY 42302
Receiving water	NA
Subwatershed	Yellow Creek (HUC 051402011201)
Other EPA IDs (FRS)	RCRA handler KYD985085018

Effluent limits and exceedances

11Pollutants on file
9Under a numeric limit
11With 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	12	577	3	August 31, 2018	15% over the limit
Flow, in conduit or thru treatment plant	12	578	0
pH	12	576	0
Oil and grease	12	574	0
Chlorine, total residual	0	374	0
Toluene	12	50	0
Benzene	12	50	0
Naphthalene	12	50	0
Ethylbenzene	12	50	0
Xylene [mix of m+o+p]	12	50	0
Polynuclear Aromatic Hydrocarbons [PAHs]	0	50	0

Inspections, violations and enforcement

1Single-event violations

Date	What EPA recorded	Agency
March 19, 2019	Permit Violations - Violation Specified in Comment	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES KY0093726.

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 KY0093726.

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

This public-records page covers NPDES permit KY0093726 held by MARATHON PIPELINE LLC in Owensboro, KY, a Minor discharger under an individual permit with Effective status, issued February 8, 2010 and expiring March 31, 2015, in the Yellow Creek subwatershed (HUC 051402011201). The page lists 11 pollutants on file, 9 under a numeric limit, 11 with a violation of any kind, and 1 with an effluent exceedance.