Wayne County Airport Authority

NPDES permit MI0036846 · Minor NON-POTW · administratively continued, expires 2017-10-01 · 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.

This permit expired on 2017-10-01 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

1values over a limit
112required values missing, on 14 form(s)
0of 36 forms filed late

Last period with anything received: 2026-08-31. Most often over: BOD, carbonaceous [5 day, 20 C] (1).

Reporting

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

Limits in force (157)

OutfallParameterStatisticLimitMonths
003Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
003Flow rateDAILY MN >= 10 MGD Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
003Oxygen, dissolved [DO]DAILY MN report only Jun, Jul, Aug, Sep
003Oxygen, dissolved [DO]DAILY MN >= 3.5 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
003Oxygen, dissolved [DO]DAILY MN report only Jun, Jul, Aug, Sep
003pHDAILY MN report only Jun, Jul, Aug, Sep
003pHDAILY MN report only Jun, Jul, Aug, Sep
003pHDAILY MN >= 6.5 SU Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
003pHDAILY MX report only Jun, Jul, Aug, Sep
003pHDAILY MX report only Jun, Jul, Aug, Sep
003pHDAILY MX <= 9 SU Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
003Solids, total suspendedDAILY MX report only all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Nitrogen, ammonia total [as N]DAILY MX report only Jun, Jul, Aug, Sep
003Nitrogen, ammonia total [as N]DAILY MX <= 1 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
003Nitrogen, ammonia total [as N]DAILY MX <= .5 mg/L May
003Nitrogen, ammonia total [as N]DAILY MX report only Jun, Jul, Aug, Sep
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Jul, Aug, Sep
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 81 mg/L Jan, Feb, Oct, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 100 mg/L Mar, Apr
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 56 mg/L May
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 72 mg/L Mar, Apr
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 56 mg/L Jan, Feb, Oct, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 39 mg/L May
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 49 mg/L Mar, Apr
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 38 mg/L Jan, Feb, Oct, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 27 mg/L May
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 25 mg/L Jan, Feb, Oct, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 32 mg/L Mar, Apr
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 19 mg/L May
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 13 mg/L May
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 17 mg/L Jan, Feb, Oct, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 23 mg/L Mar, Apr
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2 mg/L May
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 6.5 mg/L May
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 160 mg/L May
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 290 mg/L Mar, Apr
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 290 mg/L Mar, Apr
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 230 mg/L Jan, Feb, Oct, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 210 mg/L Mar, Apr
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 120 mg/L May
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 210 mg/L Mar, Apr
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 170 mg/L Jan, Feb, Oct, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 150 mg/L Mar, Apr
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 82 mg/L May
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 120 mg/L Jan, Feb, Oct, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 150 mg/L Mar, Apr
003Chemical oxygen demand [COD]DAILY MX report only all year
003Outfall observation,visual, y/n responseVALUE report only all year
004Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
004Oxygen, dissolved [DO]DAILY MN report only Jun, Jul, Aug, Sep
004Oxygen, dissolved [DO]DAILY MN >= 3.5 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
004Oxygen, dissolved [DO]DAILY MN report only Jun, Jul, Aug, Sep
004pHDAILY MN report only Jun, Jul, Aug, Sep
004pHDAILY MN report only Jun, Jul, Aug, Sep
004pHDAILY MN >= 6.5 SU Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
004pHDAILY MX report only Jun, Jul, Aug, Sep
004pHDAILY MX report only Jun, Jul, Aug, Sep
004pHDAILY MX <= 9 SU Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
004Solids, total suspendedDAILY MX report only all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Nitrogen, ammonia total [as N]DAILY MX report only Jun, Jul, Aug, Sep
004Nitrogen, ammonia total [as N]DAILY MX <= 1 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
004Nitrogen, ammonia total [as N]DAILY MX report only Jun, Jul, Aug, Sep
004Nitrogen, ammonia total [as N]DAILY MX <= .5 mg/L May
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Jul, Aug, Sep
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 48 mg/L May
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 74 mg/L Jan, Feb, Oct, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 85 mg/L Mar, Apr
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 59 mg/L Mar, Apr
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 33 mg/L May
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 51 mg/L Jan, Feb, Oct, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 41 mg/L Mar, Apr
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 35 mg/L Jan, Feb, Oct, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 24 mg/L May
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 23 mg/L Jan, Feb, Oct, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 17 mg/L May
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 27 mg/L Mar, Apr
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 12 mg/L May
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 19 mg/L Mar, Apr
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 16 mg/L Jan, Feb, Oct, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2 mg/L May
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 5.9 mg/L May
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 140 mg/L May
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 240 mg/L Mar, Apr
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 210 mg/L Jan, Feb, Oct, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 240 mg/L Mar, Apr
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 97 mg/L May
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 180 mg/L Mar, Apr
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 150 mg/L Jan, Feb, Oct, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 180 mg/L Mar, Apr
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 120 mg/L Mar, Apr
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 69 mg/L May
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 120 mg/L Mar, Apr
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 110 mg/L Jan, Feb, Oct, Nov, Dec
004Chemical oxygen demand [COD]DAILY MX report only all year
004Outfall observation,visual, y/n responseVALUE report only all year
006Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
006Flow rateDAILY MN >= 15 MGD all year
006Flow rateDAILY MN >= 15 MGD Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
006Oxygen, dissolved [DO]DAILY MN report only Jun, Jul, Aug, Sep
006Oxygen, dissolved [DO]DAILY MN >= 3.5 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
006Oxygen, dissolved [DO]DAILY MN report only Jun, Jul, Aug, Sep
006pHDAILY MN report only Jun, Jul, Aug, Sep
006pHDAILY MN >= 6.5 SU Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
006pHDAILY MN report only Jun, Jul, Aug, Sep
006pHDAILY MX report only Jun, Jul, Aug, Sep
006pHDAILY MX <= 9 SU Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
006pHDAILY MX report only Jun, Jul, Aug, Sep
006Solids, total suspendedDAILY MX report only all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Nitrogen, ammonia total [as N]DAILY MX report only Jun, Jul, Aug, Sep
006Nitrogen, ammonia total [as N]DAILY MX <= .5 mg/L May
006Nitrogen, ammonia total [as N]DAILY MX <= 1 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
006Nitrogen, ammonia total [as N]DAILY MX report only Jun, Jul, Aug, Sep
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
006BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Jul, Aug, Sep
006BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Jul, Aug, Sep
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 47 mg/L May
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 85 mg/L Mar, Apr
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 74 mg/L Jan, Feb, Oct, Nov, Dec
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 59 mg/L Mar, Apr
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 33 mg/L May
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 51 mg/L Jan, Feb, Oct, Nov, Dec
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 41 mg/L Mar, Apr
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 35 mg/L Jan, Feb, Oct, Nov, Dec
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 23 mg/L May
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 23 mg/L Jan, Feb, Oct, Nov, Dec
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 26 mg/L Mar, Apr
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 17 mg/L May
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 11 mg/L May
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 16 mg/L Jan, Feb, Oct, Nov, Dec
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 19 mg/L Mar, Apr
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2 mg/L May
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 5.8 mg/L May
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 130 mg/L May
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 240 mg/L Mar, Apr
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 240 mg/L Mar, Apr
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 200 mg/L Jan, Feb, Oct, Nov, Dec
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 95 mg/L May
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 170 mg/L Mar, Apr
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 170 mg/L Mar, Apr
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 150 mg/L Jan, Feb, Oct, Nov, Dec
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 120 mg/L Mar, Apr
006BOD, carbonaceous [5 day, 20 C]M6 <= 68 mg/L May
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 120 mg/L Mar, Apr
006BOD, carbonaceous [5 day, 20 C]DAILY MX <= 110 mg/L Jan, Feb, Oct, Nov, Dec
006Chemical oxygen demand [COD]DAILY MX report only all year
006Outfall observation,visual, y/n responseVALUE report only all year

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