United States Steel Corporation

NPDES permit MI0026786 · Major NON-POTW · administratively continued, expires 2023-10-01 · 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 2023-10-01 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

0values over a limit
0required values missing, on 0 form(s)
1of 99 forms filed late

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

Reporting

Reports are due about 21 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (142)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU 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 residualDAILY MX <= 38 ug/L all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]1D <= 2 ng/L all year
001Mercury, total [as Hg]1D <= .0004 lb/d all year
001Outfall observation,visual, y/n responseVALUE report only all year
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU 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 residualDAILY MX <= 38 ug/L all year
002Mercury, total [as Hg]MO AVG report only all year
002Mercury, total [as Hg]DAILY MX report only all year
002Mercury, total [as Hg]MO AVG report only all year
002Mercury, total [as Hg]DAILY MX report only all year
002Mercury, total [as Hg]1D <= 2 ng/L all year
002Mercury, total [as Hg]1D <= .0002 lb/d all year
002Outfall observation,visual, y/n responseVALUE report only all year
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Copper, total [as Cu]DAILY MX <= 38 ug/L all year
003Copper, total [as Cu]DAILY MX <= 2.2 lb/d 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 residualDAILY MX <= 38 ug/L all year
003Mercury, total [as Hg]MO AVG report only all year
003Mercury, total [as Hg]DAILY MX report only all year
003Mercury, total [as Hg]MO AVG report only all year
003Mercury, total [as Hg]DAILY MX report only all year
003Mercury, total [as Hg]1D <= 44 ng/L all year
003Mercury, total [as Hg]1D <= .0026 lb/d all year
003Outfall observation,visual, y/n responseVALUE report only all year
005pHDAILY MN >= 6.5 SU all year
005pHDAILY MX <= 9 SU all year
005Zinc, total [as Zn]DAILY MX report only all year
005Zinc, total [as Zn]DAILY MX report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Outfall observation,visual, y/n responseVALUE report only all year
007pHDAILY MN >= 6.5 SU all year
007pHDAILY MX <= 9 SU all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
007Chlorine, total residualDAILY MX <= 38 ug/L all year
007Mercury, total [as Hg]MO AVG report only all year
007Mercury, total [as Hg]DAILY MX report only all year
007Mercury, total [as Hg]MO AVG report only all year
007Mercury, total [as Hg]DAILY MX report only all year
007Mercury, total [as Hg]1D <= 3 ng/L all year
007Mercury, total [as Hg]1D <= .00003 lb/d all year
007Outfall observation,visual, y/n responseVALUE report only all year
008Temperature, water deg. fahrenheitMO AVG report only all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008Temperature, water deg. fahrenheitMO AVG report only all year
008Temperature, water deg. fahrenheitDAILY MX report only all year
008pHDAILY MN >= 6.5 SU all year
008pHDAILY MN >= 6 SU all year
008pHDAILY MN >= 6 SU all year
008pHDAILY MN >= 6 SU all year
008pHDAILY MX <= 9 SU all year
008pHDAILY MX <= 9 SU all year
008pHDAILY MX <= 9 SU all year
008pHDAILY MX <= 9 SU all year
008Solids, total suspendedMO AVG <= 30 mg/L all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedDAILY MX <= 100 mg/L all year
008Solids, total suspendedMO AVG <= 250 lb/d all year
008Solids, total suspendedMO AVG <= 390 lb/d all year
008Solids, total suspendedMO AVG <= 390 lb/d all year
008Solids, total suspendedDAILY MX <= 830 lb/d all year
008Solids, total suspendedDAILY MX <= 1200 lb/d all year
008Solids, total suspendedDAILY MX <= 1200 lb/d all year
008Oil & GreaseMO AVG report only all year
008Oil & GreaseMO AVG report only all year
008Oil & GreaseMO AVG report only all year
008Oil & GreaseDAILY MX <= 15 mg/L all year
008Oil & GreaseDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Nitrogen, ammonia total [as N]MO AVG report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]MO AVG report only all year
008Nitrogen, ammonia total [as N]MO AVG <= 650 lb/d all year
008Nitrogen, ammonia total [as N]MO AVG <= 44 lb/d all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]DAILY MX <= 1850 lb/d all year
008Nitrogen, ammonia total [as N]DAILY MX <= 130 lb/d all year
008Cyanide, total [as CN]MO AVG <= 13 lb/d all year
008Cyanide, total [as CN]MO AVG <= 13 lb/d all year
008Cyanide, total [as CN]DAILY MX <= 26 lb/d all year
008Cyanide, total [as CN]DAILY MX <= 26 lb/d all year
008Lead, total [as Pb]DAILY MX report only all year
008Lead, total [as Pb]MO AVG <= 1.3 lb/d all year
008Lead, total [as Pb]MO AVG <= 1.3 lb/d all year
008Lead, total [as Pb]DAILY MX <= 3.9 lb/d all year
008Lead, total [as Pb]DAILY MX <= 3.9 lb/d all year
008Zinc, total [as Zn]DAILY MX report only all year
008Zinc, total [as Zn]MO AVG <= 2 lb/d all year
008Zinc, total [as Zn]MO AVG <= 2 lb/d all year
008Zinc, total [as Zn]DAILY MX <= 5.9 lb/d all year
008Zinc, total [as Zn]DAILY MX <= 5.9 lb/d all year
008Cyanide [A]DAILY MX report only all year
008PhenolsDAILY MX report only all year
008PhenolsMO AVG report only all year
008PhenolsMO AVG <= .44 lb/d all year
008PhenolsMO AVG <= 6.3 lb/d all year
008PhenolsDAILY MX report only all year
008PhenolsDAILY MX <= 1.8 lb/d all year
008PhenolsDAILY MX <= 12.6 lb/d all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Chlorine, total residualDAILY MX <= 38 ug/L all year
008Chlorine, total residualDAILY MX <= 2.2 lb/d all year
008Chlorine, total residualDAILY MX <= 2.2 lb/d all year
008Mercury, total [as Hg]MO AVG report only all year
008Mercury, total [as Hg]DAILY MX report only all year
008Mercury, total [as Hg]MO AVG report only all year
008Mercury, total [as Hg]DAILY MX report only all year
008Mercury, total [as Hg]MO AVG report only all year
008Mercury, total [as Hg]DAILY MX report only all year
008Mercury, total [as Hg]1D <= 3 ng/L all year
008Mercury, total [as Hg]1D <= .0025 lb/d all year
008Outfall 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