Columbus Regional Airport Authority

NPDES permit OH0081639 · Minor NON-POTW · effective, expires 2027-10-31 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (66)

OutfallParameterStatisticLimitMonths
003Oxygen, dissolved [DO]DAILY MN report only Jan, Feb, Mar, Apr, Nov, Dec
003Oxygen, dissolved [DO]DAILY MN report only Jun, Aug
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY MX report only all year
003Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
003Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
003RainfallMO AVG report only all year
003RainfallDAILY MX report only all year
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 Jan, Feb, Mar, Apr, Nov, Dec
003Propylene glycol, totalDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
003Solids, total dissolved- 180 deg. CMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
003Solids, total dissolved- 180 deg. CDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
003Ethylene glycolMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
003Ethylene glycolDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]MO AVG report only Jun, Aug
003BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Aug
003BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
004Oxygen, dissolved [DO]DAILY MN report only Jan, Feb, Mar, Apr, Nov, Dec
004Oxygen, dissolved [DO]DAILY MN report only Jun, Aug
004pHDAILY MN >= 6.5 SU all year
004pHDAILY MX <= 9 SU all year
004Solids, total suspendedMO AVG report only all year
004Solids, total suspendedDAILY MX report only all year
004Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
004Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
004RainfallMO AVG report only all year
004RainfallDAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only May, Jun, Jul, Aug, Sep, Oct
004Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
004Flow, in conduit or thru treatment plantDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
004Flow, in conduit or thru treatment plantDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
004Propylene glycol, totalMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
004Propylene glycol, totalDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
004Ethylene glycolMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
004Ethylene glycolDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]MO AVG report only Jun, Aug
004BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Aug
004BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
010Oxygen, dissolved [DO]DAILY MN report only Jun, Aug
010Oxygen, dissolved [DO]DAILY MN report only Jan, Feb, Mar, Apr, Nov, Dec
010pHDAILY MN >= 6.5 SU all year
010pHDAILY MX <= 9 SU all year
010Solids, total suspendedMO AVG report only all year
010Solids, total suspendedDAILY MX report only all year
010Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
010Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
010RainfallMO AVG report only all year
010RainfallDAILY MX report only all year
010Flow, in conduit or thru treatment plantMO AVG report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
010Propylene glycol, totalMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
010Propylene glycol, totalDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
010Ethylene glycolMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
010Ethylene glycolDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
010BOD, carbonaceous [5 day, 20 C]MO AVG report only Jun, Aug
010BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
010BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Aug
010BOD, carbonaceous [5 day, 20 C]DAILY 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