Steel Dynamics Heartland LLC

NPDES permit INRM02481 · Minor NON-POTW · effective, expires 2028-08-20 · EPA's file as of 2026-09-19

EPA's record, 2025-09-01 to 2026-08-31

EPA's file shows no filings for this permit in this window. That is a statement about the file, not about the facility.

Reports are due about 39 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Outfall 001, form RA (Sout side of property, W. of main entrance): every 12 month(s), 8 values

Outfall	Parameter	Statistic	Limit	Months
001	pH	MAXIMUM	report only	Aug
001	Solids, total suspended	MAXIMUM	report only	Aug
001	Oil and grease, hexane extr method	MAXIMUM	report only	Aug
001	Nitrogen, Kjeldahl, total [as N]	MAXIMUM	report only	Aug
001	Nitrite + Nitrate total [as N]	MAXIMUM	report only	Aug
001	Phosphorus, total [as P]	MAXIMUM	report only	Aug
001	BOD, carbonaceous [5 day, 20 C]	MAXIMUM	report only	Aug
001	Chemical Oxygen Demand [COD]	MAXIMUM	report only	Aug

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