Ohio Air National Guard 121 ARW

NPDES permit OH0124095 · Minor NON-POTW · effective, expires 2026-10-31 · 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 22 forms filed late

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

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Limits in force (52)

OutfallParameterStatisticLimitMonths
014Oxygen, dissolved [DO]DAILY MN report only all year
014BOD, 5-day, 20 deg. CMO AVG report only all year
014BOD, 5-day, 20 deg. CDAILY MX report only all year
014Oxygen demand, chem. [low level] [COD]MO AVG report only all year
014Oxygen demand, chem. [low level] [COD]DAILY MX report only all year
014pHDAILY MN >= 6.5 SU all year
014pHDAILY MX <= 9 SU all year
014Solids, total suspendedMO AVG report only all year
014Solids, total suspendedDAILY MX report only all year
014Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
014Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
014Nitrogen, ammonia total [as N]MO AVG report only Jun, Aug
014Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
014Nitrogen, ammonia total [as N]DAILY MX report only Jun, Aug
014Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
014PhenolMO AVG report only Mar, Jun, Aug, Dec
014PhenolDAILY MX report only Mar, Jun, Aug, Dec
014RainfallMO AVG report only all year
014RainfallDAILY MX report only all year
014Flow, in conduit or thru treatment plantMO AVG report only all year
014Flow, in conduit or thru treatment plantDAILY MX report only all year
014Propylene glycol, totalMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
014Propylene glycol, totalDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
014Solids, total dissolved- 180 deg. CMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
014Solids, total dissolved- 180 deg. CDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
601Oxygen, dissolved [DO]DAILY MN report only all year
601BOD, 5-day, 20 deg. CMO AVG report only all year
601BOD, 5-day, 20 deg. CDAILY MX report only all year
601Oxygen demand, chem. [low level] [COD]MO AVG report only all year
601Oxygen demand, chem. [low level] [COD]DAILY MX report only all year
601pHDAILY MN report only all year
601pHDAILY MX report only all year
601Solids, total suspendedMO AVG report only all year
601Solids, total suspendedDAILY MX report only all year
601Oil and grease, hexane extr methodMO AVG <= 15 mg/L Mar, Jun, Aug, Dec
601Oil and grease, hexane extr methodDAILY MX <= 20 mg/L Mar, Jun, Aug, Dec
601TolueneMO AVG report only Mar, Jun, Aug, Dec
601TolueneDAILY MX report only Mar, Jun, Aug, Dec
601BenzeneMO AVG report only Mar, Jun, Aug, Dec
601BenzeneDAILY MX report only Mar, Jun, Aug, Dec
601EthylbenzeneMO AVG report only Mar, Jun, Aug, Dec
601EthylbenzeneDAILY MX report only Mar, Jun, Aug, Dec
601PhenolMO AVG report only Mar, Jun, Aug, Dec
601PhenolDAILY MX report only Mar, Jun, Aug, Dec
601NaphthaleneMO AVG report only Mar, Jun, Aug, Dec
601NaphthaleneDAILY MX report only Mar, Jun, Aug, Dec
601RainfallMO AVG report only all year
601RainfallDAILY MX report only all year
601Flow, in conduit or thru treatment plantMO AVG report only all year
601Flow, in conduit or thru treatment plantDAILY MX report only all year
601Xylene [mix of m+o+p]MO AVG report only Mar, Jun, Aug, Dec
601Xylene [mix of m+o+p]DAILY MX report only Mar, Jun, Aug, 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