MILWAUKEE METRO SEW DIST COMBI

NPDES permit WI0036820 · Major POTW · expired, expires 2024-03-31 · 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.

This permit expired on 2024-03-31 and is expired: 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

0values over a limit
209required values missing, on 43 form(s)
52of 58 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (111)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 27 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]6D <= .8 mg/L all year
001Phosphorus, total [as P]ROLL AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Arsenic, total recoverableQB report only all year
001Nickel, total recoverableDAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableDAILY MX report only all year
001Chromium, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualWKLY AVG <= 36 ug/L all year
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualDAILY MX <= 38 ug/L all year
001E. coliMO AVG report only all year
001E. coliDAILY MX report only all year
001Mercury, total recoverableDAILY MX <= 6.4 ng/L all year
001Coliform, fecal generalGEO MEAN <= 400 #/100mL all year
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002pHDAILY MN >= 6 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedWKLY AVG <= 45 mg/L all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX report only all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Phosphorus, total [as P]MO AVG <= .66 mg/L all year
002Phosphorus, total [as P]DAILY MX report only all year
002Arsenic, total recoverableQB report only all year
002Nickel, total recoverableDAILY MX report only all year
002Zinc, total recoverableDAILY MX report only all year
002Cadmium, total recoverableDAILY MX report only all year
002Lead, total recoverableDAILY MX report only all year
002Chromium, total recoverableDAILY MX report only all year
002Copper, total recoverableDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualWKLY AVG <= 36 ug/L all year
002Chlorine, total residualMO AVG report only all year
002Chlorine, total residualDAILY MX <= 38 ug/L all year
002E. coliMO AVG report only all year
002E. coliDAILY MX report only all year
002Mercury, total recoverableDAILY MX <= 6.4 ng/L all year
002Coliform, fecal generalGEO MEAN <= 400 #/100mL all year
003Temperature, water deg. fahrenheitWKLY AVG report only all year
003Temperature, water deg. fahrenheitMO AVG report only all year
003Temperature, water deg. fahrenheitDAILY MX report only all year
003BOD, 5-day, 20 deg. CMO AVG report only all year
003BOD, 5-day, 20 deg. CDAILY MX report only all year
003Oil and grease, hexane extr methodMO AVG report only all year
003Oil and grease, hexane extr methodDAILY MX report only all year
003Nitrogen, ammonia total [as N]MO AVG report only all year
003Nitrogen, ammonia total [as N]DAILY MX report only all year
003Phosphorus, total [as P]MO AVG report only all year
003Phosphorus, total [as P]DAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chlorine, total residualMO AVG report only all year
003Chlorine, total residualDAILY MX <= 38 ug/L all year
701BOD, 5-day, 20 deg. CMO AVG report only all year
701BOD, 5-day, 20 deg. CDAILY MX report only all year
701Solids, total suspendedMO AVG report only all year
701Solids, total suspendedDAILY MX report only all year
701Nitrogen, ammonia total [as N]MO AVG report only all year
701Nitrogen, ammonia total [as N]DAILY MX report only all year
701Phosphorus, total [as P]MO AVG report only all year
701Phosphorus, total [as P]DAILY MX report only all year
701Nickel, total recoverableDAILY MX report only all year
701Zinc, total recoverableDAILY MX report only all year
701Cadmium, total recoverableDAILY MX report only all year
701Lead, total recoverableDAILY MX report only all year
701Chromium, total recoverableDAILY MX report only all year
701Copper, total recoverableDAILY MX report only all year
701Flow, in conduit or thru treatment plantMO AVG report only all year
701Flow, in conduit or thru treatment plantDAILY MX report only all year
701Mercury, total recoverableDAILY MX report only all year
702BOD, 5-day, 20 deg. CMO AVG report only all year
702BOD, 5-day, 20 deg. CDAILY MX report only all year
702Solids, total suspendedMO AVG report only all year
702Solids, total suspendedDAILY MX report only all year
702Nitrogen, ammonia total [as N]MO AVG report only all year
702Nitrogen, ammonia total [as N]DAILY MX report only all year
702Phosphorus, total [as P]MO AVG report only all year
702Phosphorus, total [as P]DAILY MX report only all year
702Nickel, total recoverableDAILY MX report only all year
702Zinc, total recoverableDAILY MX report only all year
702Cadmium, total recoverableDAILY MX report only all year
702Lead, total recoverableDAILY MX report only all year
702Chromium, total recoverableDAILY MX report only all year
702Copper, total recoverableDAILY MX report only all year
702Flow, in conduit or thru treatment plantMO AVG report only all year
702Flow, in conduit or thru treatment plantDAILY MX report only all year
702Mercury, total recoverableDAILY MX 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