US STEEL CORP

NPDES permit PA0091685 · Minor NON-POTW · expired, expires 2006-10-31 · 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 2006-10-31 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
0required values missing, on 0 form(s)
0of 60 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among PA permits in EPA's filings — check your permit).

Limits in force (178)

OutfallParameterStatisticLimitMonths
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedINST MAX <= 70 mg/L all year
002Sulfate, total [as SO4]MO AVG report only all year
002Sulfate, total [as SO4]DAILY MX report only all year
002Fluoride, total [as F]MO AVG report only all year
002Fluoride, total [as F]DAILY MX report only all year
002Arsenic, total [as As]MO AVG report only all year
002Arsenic, total [as As]DAILY MX report only all year
002Cadmium, total [as Cd]MO AVG <= .01 mg/L all year
002Cadmium, total [as Cd]DAILY MX <= .02 mg/L all year
002Chromium, hexavalent [as Cr]MO AVG <= .02 mg/L all year
002Chromium, hexavalent [as Cr]INST MAX <= .04 mg/L all year
002Cobalt, total [as Co]MO AVG report only all year
002Cobalt, total [as Co]DAILY MX report only all year
002Copper, total [as Cu]MO AVG <= .04 mg/L all year
002Copper, total [as Cu]INST MAX <= .08 mg/L all year
002Iron, total [as Fe]MO AVG <= .5 mg/L all year
002Iron, total [as Fe]INST MAX <= 1 mg/L all year
002Iron, dissolved [as Fe]MO AVG <= .25 mg/L all year
002Iron, dissolved [as Fe]INST MAX <= .5 mg/L all year
002Lead, total [as Pb]MO AVG <= .2 mg/L all year
002Lead, total [as Pb]INST MAX <= .4 mg/L all year
002Manganese, total [as Mn]MO AVG <= 1 mg/L all year
002Manganese, total [as Mn]INST MAX <= 2 mg/L all year
002Thallium, total [as Tl]MO AVG <= .2 mg/L all year
002Thallium, total [as Tl]INST MAX <= .4 mg/L all year
002Silver, total [as Ag]MO AVG report only all year
002Silver, total [as Ag]DAILY MX report only all year
002Antimony, total [as Sb]MO AVG report only all year
002Antimony, total [as Sb]DAILY MX report only all year
002Aluminum, total [as Al]MO AVG <= .5 mg/L all year
002Aluminum, total [as Al]INST MAX <= 1 mg/L all year
002Selenium, total [as Se]MO AVG <= .15 mg/L all year
002Selenium, total [as Se]INST MAX <= .3 mg/L all year
002Benzo[a]pyreneMO AVG report only all year
002Benzo[a]pyreneDAILY 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
002Cyanide, free availableMO AVG <= .04 mg/L all year
002Cyanide, free availableINST MAX <= .08 mg/L all year
002Solids, total dissolvedMO AVG report only all year
002Solids, total dissolvedDAILY 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
002Osmotic pressure, total, unf whl wtrMO AVG report only all year
002Osmotic pressure, total, unf whl wtrDAILY MX report only all year
004pHMO AVG report only all year
004pHDAILY MX report only all year
004Solids, total suspendedMO AVG report only all year
004Solids, total suspendedDAILY MX report only all year
004Cyanide, total [as CN]MO AVG report only all year
004Cyanide, total [as CN]DAILY MX report only all year
004Sulfate, total [as SO4]MO AVG report only all year
004Sulfate, total [as SO4]DAILY MX report only all year
004Iron, total [as Fe]MO AVG report only all year
004Iron, total [as Fe]DAILY MX report only all year
004Iron, dissolved [as Fe]MO AVG report only all year
004Iron, dissolved [as Fe]DAILY MX report only all year
004Manganese, total [as Mn]MO AVG report only all year
004Manganese, total [as Mn]DAILY MX report only all year
004Zinc, total [as Zn]MO AVG report only all year
004Zinc, total [as Zn]DAILY MX report only all year
004Aluminum, total [as Al]MO AVG report only all year
004Aluminum, total [as Al]DAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Cyanide, free availableMO AVG report only all year
004Cyanide, free availableDAILY MX report only all year
004Solids, total dissolvedMO AVG report only all year
004Solids, total dissolvedDAILY MX report only all year
005Cyanide, total [as CN]MO AVG report only all year
005Cyanide, total [as CN]DAILY MX report only all year
005Iron, total [as Fe]MO AVG report only all year
005Iron, total [as Fe]DAILY MX report only all year
005Manganese, total [as Mn]MO AVG report only all year
005Manganese, total [as Mn]DAILY MX report only all year
005Zinc, total [as Zn]MO AVG report only all year
005Zinc, total [as Zn]DAILY MX report only all year
005Aluminum, total [as Al]MO AVG report only all year
005Aluminum, total [as Al]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
006Cyanide, total [as CN]MO AVG report only all year
006Cyanide, total [as CN]DAILY MX report only all year
006Iron, total [as Fe]MO AVG report only all year
006Iron, total [as Fe]DAILY MX report only all year
006Manganese, total [as Mn]MO AVG report only all year
006Manganese, total [as Mn]DAILY MX report only all year
006Zinc, total [as Zn]MO AVG report only all year
006Zinc, total [as Zn]DAILY MX report only all year
006Aluminum, total [as Al]MO AVG report only all year
006Aluminum, total [as Al]DAILY MX report only all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
103pHMINIMUM >= 6 SU all year
103pHMAXIMUM <= 9 SU all year
103Solids, total suspendedMO AVG <= 12 mg/L all year
103Solids, total suspendedDAILY MX <= 15 mg/L all year
103Oil & GreaseMO AVG <= 10 mg/L all year
103Oil & GreaseDAILY MX <= 10 mg/L all year
103Cyanide, total [as CN]MO AVG <= 2 mg/L all year
103Cyanide, total [as CN]DAILY MX <= 4 mg/L all year
103Beryllium, total [as Be]MO AVG <= .34 mg/L all year
103Beryllium, total [as Be]DAILY MX <= .82 mg/L all year
103Cadmium, total [as Cd]MO AVG <= .08 mg/L all year
103Cadmium, total [as Cd]DAILY MX <= .2 mg/L all year
103Chromium, hexavalent [as Cr]MO AVG report only all year
103Chromium, hexavalent [as Cr]DAILY MX report only all year
103Chromium, total [as Cr]MO AVG <= .15 mg/L all year
103Chromium, total [as Cr]DAILY MX <= .37 mg/L all year
103Copper, total [as Cu]MO AVG <= .61 mg/L all year
103Copper, total [as Cu]DAILY MX <= 1.28 mg/L all year
103Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
103Iron, total [as Fe]DAILY MX <= 3 mg/L all year
103Lead, total [as Pb]MO AVG <= .13 mg/L all year
103Lead, total [as Pb]DAILY MX <= .28 mg/L all year
103Manganese, total [as Mn]MO AVG <= .23 mg/L all year
103Manganese, total [as Mn]DAILY MX <= .3 mg/L all year
103Silver, total [as Ag]MO AVG <= .12 mg/L all year
103Silver, total [as Ag]DAILY MX <= .29 mg/L all year
103Zinc, total [as Zn]MO AVG <= .42 mg/L all year
103Zinc, total [as Zn]DAILY MX <= 1.02 mg/L all year
103Aluminum, total [as Al]MO AVG <= 2.71 mg/L all year
103Aluminum, total [as Al]DAILY MX <= 6.11 mg/L all year
103Selenium, total [as Se]MO AVG <= .37 mg/L all year
103Selenium, total [as Se]DAILY MX <= .82 mg/L all year
103Phenolics, total recoverableMO AVG report only all year
103Phenolics, total recoverableDAILY MX report only all year
103AcrylonitrileMO AVG report only all year
103AcrylonitrileDAILY MX report only all year
103Benzo[a]pyreneMO AVG report only all year
103Benzo[a]pyreneDAILY MX report only all year
103Flow, in conduit or thru treatment plantMO AVG report only all year
103Flow, in conduit or thru treatment plantDAILY MX report only all year
103Cyanide, free availableMO AVG report only all year
103Cyanide, free availableDAILY MX report only all year
203pHMO AVG report only all year
203pHDAILY MX report only all year
203Solids, total suspendedMO AVG report only all year
203Solids, total suspendedDAILY MX report only all year
203Oil & GreaseMO AVG report only all year
203Oil & GreaseDAILY MX report only all year
203Cyanide, total [as CN]MO AVG report only all year
203Cyanide, total [as CN]DAILY MX report only all year
203Beryllium, total [as Be]MO AVG report only all year
203Beryllium, total [as Be]DAILY MX report only all year
203Cadmium, total [as Cd]MO AVG report only all year
203Cadmium, total [as Cd]DAILY MX report only all year
203Chromium, hexavalent [as Cr]MO AVG report only all year
203Chromium, hexavalent [as Cr]DAILY MX report only all year
203Copper, total [as Cu]MO AVG report only all year
203Copper, total [as Cu]DAILY MX report only all year
203Iron, total [as Fe]MO AVG report only all year
203Iron, total [as Fe]DAILY MX report only all year
203Lead, total [as Pb]MO AVG report only all year
203Lead, total [as Pb]DAILY MX report only all year
203Manganese, total [as Mn]MO AVG report only all year
203Manganese, total [as Mn]DAILY MX report only all year
203Silver, total [as Ag]MO AVG report only all year
203Silver, total [as Ag]DAILY MX report only all year
203Zinc, total [as Zn]MO AVG report only all year
203Zinc, total [as Zn]DAILY MX report only all year
203Aluminum, total [as Al]MO AVG report only all year
203Aluminum, total [as Al]DAILY MX report only all year
203Selenium, total [as Se]MO AVG report only all year
203Selenium, total [as Se]DAILY MX report only all year
203Phenolics, total recoverableMO AVG report only all year
203Phenolics, total recoverableDAILY MX report only all year
203AcrylonitrileMO AVG report only all year
203AcrylonitrileDAILY MX report only all year
203Benzo[a]pyreneMO AVG report only all year
203Benzo[a]pyreneDAILY MX report only all year
203Flow, in conduit or thru treatment plantMO AVG report only all year
203Flow, in conduit or thru treatment plantDAILY MX report only all year
203Cyanide, free availableMO AVG report only all year
203Cyanide, free availableDAILY 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