Delta Air Lines Inc

NPDES permit MN0054194 · Minor NON-POTW · effective, expires 2029-03-31 · 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 21 forms filed late

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

Reporting

Reports are due about 21 days after each monitoring period ends (the most common figure among MN permits in EPA's filings — check your permit).

Limits in force (17)

OutfallParameterStatisticLimitMonths
D004Temperature, water deg. fahrenheitDAILY MX <= 86 deg F Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D004pHINST MIN >= 6 SU Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D004pHINST MAX <= 9 SU Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D004Solids, total suspendedDAILY MX <= 30 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D004Solids, total suspendedDAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D004Flow, in conduit or thru treatment plantMO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D004Flow, in conduit or thru treatment plantMO TOTAL report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D004Chlorine, total residualDAILY MX <= .038 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D005Temperature, water deg. fahrenheitDAILY MX <= 86 deg F Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D005pHINST MIN >= 6 SU Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D005pHINST MAX <= 9 SU Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D005Solids, total suspendedDAILY MX <= 30 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D005Solids, total suspendedDAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D005Flow, in conduit or thru treatment plantMO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D005Flow, in conduit or thru treatment plantMO TOTAL report only Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D005Chlorine, total residualDAILY MX <= .038 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
D007Solids, total suspendedDAILY MX <= 3.25 kg/d Apr, May, Jun, Jul, Aug, Sep, Oct, Nov

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