US Steel Corporation

NPDES permit AL0065773 · Minor NON-POTW · effective, expires 2026-09-30 · 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 15 forms filed late

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

Reporting

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

Limits in force (21)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 8.5 SU all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Magnesium, total [as Mg]DAILY MX report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Aluminum, total [as Al]DAILY MX report only all year
001Chromium, total recoverableDAILY MX report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Cyanide [A]DAILY MX report only all year
001Manganese, total recoverableDAILY MX report only all year
001BenzeneDAILY MX report only all year
001Benzo[a]pyreneDAILY MX report only all year
001NaphthaleneDAILY MX report only all year
001PhenolsDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY 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