SSAB IOWA INC.

NPDES permit IA0074101 · Minor NON-POTW · effective, expires 2031-04-30 · 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 22 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among IA permits in EPA's filings — check your permit).

Limits in force (16)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Oil & Grease30DA AVG <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
101pHDAILY MN >= 6 SU all year
101pHDAILY MX <= 9 SU all year
101Solids, total suspended30DA AVG <= 93 lb/d all year
101Solids, total suspendedDAILY MX <= 251 lb/d all year
101Oil & Grease30DA AVG <= 21 lb/d all year
101Oil & GreaseDAILY MX <= 72 lb/d all year
101Lead, total [as Pb]30DA AVG <= .022 lb/d all year
101Lead, total [as Pb]DAILY MX <= .67 lb/d all year
101Zinc, total [as Zn]30DA AVG <= .34 lb/d all year
101Zinc, total [as Zn]DAILY MX <= 1.01 lb/d 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