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Clean Water Act discharge permit · NPDES KY0063339

CINCINNATI-NORTHERN KENTUCKY INTERNATIONAL AIRPORT, Hebron, KY: NPDES KY0063339 discharge permit, effluent exceedances, inspections, penalties

CINCINNATI-NORTHERN KENTUCKY INTERNATIONAL AIRPORT, held by Cincinnati-Northern Kentucky International Airport, holds NPDES permit KY0063339, which discharges to Elijah Crk. EPA’s file records it issued May 21, 2015 and expiring June 30, 2020.

CINCINNATI-NORTHERN KENTUCKY INTERNATIONAL AIRPORT, Hebron, Kentucky: Individual permit KY0063339, held by Cincinnati-Northern Kentucky International Airport; Administratively continued (past its expiration date and still in force until reissued); issued May 21, 2015, term to June 30, 2020; discharges to ELIJAH CRK; Petroleum Bulk Stations and Terminals.

  • BOD, 5-day, 20 deg. C: 0 limits, 52 violations of any kind, 49 effluent exceedances, latest March 31, 2015, largest 99,999% over the limit.
  • Solids, total suspended: 2 limits, 35 violations of any kind, 26 effluent exceedances, latest December 31, 2022, largest 1,243% over the limit.
  • Oxygen, dissolved [DO]: 0 limits, 5 violations of any kind, 4 effluent exceedances, latest May 31, 2015, largest 58% over the limit.
  • Oil and grease, hexane extr method: 0 limits, 4 violations of any kind, 2 effluent exceedances, latest August 31, 2006, largest 53% over the limit.
  • pH: 2 limits, 15 violations of any kind, 1 effluent exceedance, latest April 30, 2009.
  • Flow, in conduit or thru treatment plant: 2 limits, 14 violations of any kind, 0 effluent exceedances.
  • Xylene [mix of m+o+p]: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • Oil & Grease: 2 limits, 4 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.
  • Naphthalene: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Ethylbenzene: 2 limits, 4 violations of any kind, 0 effluent exceedances.
  • Ethylbenzene: 0 limits, 2 violations of any kind, 0 effluent exceedances.

Other permits held by Cincinnati-Northern Kentucky International Airport

CINCINNATI-NORTHERN KENTUCKY INTERNATIONAL AIRPORT among its neighbors

EPA’s permit file holds 51 discharge permits in the Dry Creek-Ohio River subwatershed (HUC 050902030202), KY0063339 among them. Its county holds 180, 2 of them major permits; KY0063339 is a minor permit.

Other permits in the Dry Creek-Ohio River subwatershed (HUC 050902030202)

Identity

Facility as filedCINCINNATI-NORTHERN KENTUCKY INTERNATIONAL AIRPORT
Permittee as filedCincinnati-Northern Kentucky International Airport
NPDES IDKY0063339
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 21, 2015
Expiration dateJune 30, 2020
AddressHebron, KY 41048
Receiving waterELIJAH CRK
SubwatershedDry Creek-Ohio River (HUC 050902030202)
NAICS424710 – Petroleum Bulk Stations and Terminals
SIC5171 – Petroleum Bulk Stations & Terminals
Other EPA IDs (FRS)RCRA handler KYD980557516; ICIS-AIR source KY0000002101500148

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
BOD, 5-day, 20 deg. C05249March 31, 201599,999% over the limit
Solids, total suspended23526December 31, 20221,243% over the limit
Oxygen, dissolved [DO]054May 31, 201558% over the limit
Oil and grease, hexane extr method042August 31, 200653% over the limit
pH2151April 30, 2009
Flow, in conduit or thru treatment plant2140
Xylene [mix of m+o+p]280
Oil & Grease240
Toluene240
Benzene240
Naphthalene240
Ethylbenzene240
Ethylbenzene020

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES KY0063339.

Inspections

EPA’s inspection file holds no inspection for NPDES KY0063339.

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 KY0063339.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit KY0063339, held by Cincinnati-Northern Kentucky International Airport in Hebron, KY, which discharges to Elijah Crk within the Dry Creek-Ohio River subwatershed (HUC 050902030202). The permit is listed as administratively continued, classed as a Minor Discharger, and shows 5 pollutants with an effluent exceedance and 9 pollutants under a numeric limit.