IN THE AIR, L.L.C.

NPDES permit MO0123293 · Minor NON-POTW · effective, expires 2026-12-31 · 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

16values over a limit
0required values missing, on 0 form(s)
5of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, 5-day, 20 deg. C (11), Solids, total suspended (5).

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 (14)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Chlorine, total residualDAILY MX <= 156 ug/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualMO AVG <= 78 ug/L Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coliDAILY MX <= 630 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli30DA GM <= 126 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct

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