Cincinnati-Northern Kentucky International Airport

NPDES permit KY0082864 · Minor NON-POTW · effective, expires 2026-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

5values over a limit
0required values missing, on 0 form(s)
0of 44 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (2), Oil & Grease (2), BOD, 5-day, 20 deg. C (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (119)

OutfallParameterStatisticLimitMonths
002Oxygen, dissolved [DO]INST MIN >= 4 mg/L all year
002BOD, 5-day, 20 deg. CMO AVG report only all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 60 mg/L all year
002Oil & GreaseMO AVG <= 10 mg/L all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]MO AVG report only all year
002Carbon, tot organic [TOC]DAILY MX report only all year
002Potassium, total [as K]MO AVG report only all year
002Potassium, total [as K]DAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Propylene glycol, totalMO AVG report only all year
002Propylene glycol, totalDAILY MX report only all year
003Oxygen, dissolved [DO]INST MIN >= 4 mg/L May, Jun, Jul, Aug, Sep, Oct
003Oxygen, dissolved [DO]INST MIN >= 4 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003BOD, 5-day, 20 deg. CMO AVG <= 70 mg/L May, Jun, Jul, Aug, Sep, Oct
003BOD, 5-day, 20 deg. CMO AVG <= 150 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003BOD, 5-day, 20 deg. CDAILY MX <= 70 mg/L May, Jun, Jul, Aug, Sep, Oct
003BOD, 5-day, 20 deg. CDAILY MX <= 150 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003pHMINIMUM >= 6 SU Jan, Feb, Mar, Apr, Nov, Dec
003pHMINIMUM >= 6 SU May, Jun, Jul, Aug, Sep, Oct
003pHMAXIMUM <= 9 SU Jan, Feb, Mar, Apr, Nov, Dec
003pHMAXIMUM <= 9 SU May, Jun, Jul, Aug, Sep, Oct
003Solids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003Solids, total suspendedMO AVG <= 30 mg/L May, Jun, Jul, Aug, Sep, Oct
003Solids, total suspendedDAILY MX <= 60 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003Solids, total suspendedDAILY MX <= 60 mg/L May, Jun, Jul, Aug, Sep, Oct
003Oil & GreaseMO AVG <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
003Oil & GreaseMO AVG <= 10 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003Oil & GreaseDAILY MX <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
003Oil & GreaseDAILY MX <= 15 mg/L Jan, Feb, Mar, Apr, Nov, Dec
003Carbon, tot organic [TOC]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
003Carbon, tot organic [TOC]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
003Carbon, tot organic [TOC]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
003Carbon, tot organic [TOC]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
003Potassium, total [as K]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
003Potassium, total [as K]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
003Potassium, total [as K]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
003Potassium, total [as K]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
003Flow, in conduit or thru treatment plantMO AVG report only May, Jun, Jul, Aug, Sep, Oct
003Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
003Flow, in conduit or thru treatment plantDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
003Flow, in conduit or thru treatment plantDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
003Propylene glycol, totalMO AVG report only May, Jun, Jul, Aug, Sep, Oct
003Propylene glycol, totalMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
003Propylene glycol, totalDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
003Propylene glycol, totalDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
005Oxygen, dissolved [DO]INST MIN >= 4 mg/L May, Jun, Jul, Aug, Sep, Oct
005Oxygen, dissolved [DO]INST MIN >= 4 mg/L Jan, Feb, Mar, Apr, Nov, Dec
005BOD, 5-day, 20 deg. CMO AVG <= 50 mg/L May, Jun, Jul, Aug, Sep, Oct
005BOD, 5-day, 20 deg. CMO AVG <= 85 mg/L Jan, Feb, Mar, Apr, Nov, Dec
005BOD, 5-day, 20 deg. CDAILY MX <= 50 mg/L May, Jun, Jul, Aug, Sep, Oct
005BOD, 5-day, 20 deg. CDAILY MX <= 85 mg/L Jan, Feb, Mar, Apr, Nov, Dec
005pHMINIMUM >= 6 SU May, Jun, Jul, Aug, Sep, Oct
005pHMINIMUM >= 6 SU Jan, Feb, Mar, Apr, Nov, Dec
005pHMAXIMUM <= 9 SU May, Jun, Jul, Aug, Sep, Oct
005pHMAXIMUM <= 9 SU Jan, Feb, Mar, Apr, Nov, Dec
005Solids, total suspendedMO AVG <= 30 mg/L May, Jun, Jul, Aug, Sep, Oct
005Solids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
005Solids, total suspendedDAILY MX <= 60 mg/L May, Jun, Jul, Aug, Sep, Oct
005Solids, total suspendedDAILY MX <= 60 mg/L Jan, Feb, Mar, Apr, Nov, Dec
005Oil & GreaseMO AVG <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
005Oil & GreaseMO AVG <= 10 mg/L Jan, Feb, Mar, Apr, Nov, Dec
005Oil & GreaseDAILY MX <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
005Oil & GreaseDAILY MX <= 15 mg/L Jan, Feb, Mar, Apr, Nov, Dec
005Carbon, tot organic [TOC]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
005Carbon, tot organic [TOC]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
005Carbon, tot organic [TOC]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
005Carbon, tot organic [TOC]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
005Potassium, total [as K]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
005Potassium, total [as K]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
005Potassium, total [as K]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
005Potassium, total [as K]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
005Flow, in conduit or thru treatment plantMO AVG report only May, Jun, Jul, Aug, Sep, Oct
005Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
005Flow, in conduit or thru treatment plantDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
005Flow, in conduit or thru treatment plantDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
005Propylene glycol, totalMO AVG report only May, Jun, Jul, Aug, Sep, Oct
005Propylene glycol, totalMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
005Propylene glycol, totalDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
005Propylene glycol, totalDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
006Oxygen, dissolved [DO]INST MIN >= 4 mg/L May, Jun, Jul, Aug, Sep, Oct
006Oxygen, dissolved [DO]INST MIN >= 4 mg/L Jan, Feb, Mar, Apr, Nov, Dec
006BOD, 5-day, 20 deg. CMO AVG <= 50 mg/L May, Jun, Jul, Aug, Sep, Oct
006BOD, 5-day, 20 deg. CMO AVG <= 85 mg/L Jan, Feb, Mar, Apr, Nov, Dec
006BOD, 5-day, 20 deg. CDAILY MX <= 50 mg/L May, Jun, Jul, Aug, Sep, Oct
006BOD, 5-day, 20 deg. CDAILY MX <= 85 mg/L Jan, Feb, Mar, Apr, Nov, Dec
006pHMINIMUM >= 6 SU May, Jun, Jul, Aug, Sep, Oct
006pHMINIMUM >= 6 SU Jan, Feb, Mar, Apr, Nov, Dec
006pHMAXIMUM <= 9 SU May, Jun, Jul, Aug, Sep, Oct
006pHMAXIMUM <= 9 SU Jan, Feb, Mar, Apr, Nov, Dec
006Solids, total suspendedMO AVG <= 30 mg/L May, Jun, Jul, Aug, Sep, Oct
006Solids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
006Solids, total suspendedDAILY MX <= 60 mg/L May, Jun, Jul, Aug, Sep, Oct
006Solids, total suspendedDAILY MX <= 60 mg/L Jan, Feb, Mar, Apr, Nov, Dec
006Oil & GreaseMO AVG <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
006Oil & GreaseMO AVG <= 10 mg/L Jan, Feb, Mar, Apr, Nov, Dec
006Oil & GreaseDAILY MX <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
006Oil & GreaseDAILY MX <= 15 mg/L Jan, Feb, Mar, Apr, Nov, Dec
006Carbon, tot organic [TOC]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
006Carbon, tot organic [TOC]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
006Carbon, tot organic [TOC]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
006Carbon, tot organic [TOC]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
006Potassium, total [as K]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
006Potassium, total [as K]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
006Potassium, total [as K]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
006Potassium, total [as K]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
006Flow, in conduit or thru treatment plantMO AVG report only May, Jun, Jul, Aug, Sep, Oct
006Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
006Flow, in conduit or thru treatment plantDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
006Flow, in conduit or thru treatment plantDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
006Propylene glycol, totalMO AVG report only May, Jun, Jul, Aug, Sep, Oct
006Propylene glycol, totalMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
006Propylene glycol, totalDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
006Propylene glycol, totalDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states