Passage Data · Check a report · Use it from your AI

US Steel Corporation

Blast Furnaces And Steel Mills, Fairfield, Alabama. NPDES permit AL0065773 expired Sep 30, 2026; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (3 values), form Q quarterly (18 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 16 reports late

Limits in force (21)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 8.5 SUall year
Solids, total suspendeddaily maximum≤ 70 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Magnesium, total [as Mg]daily maximumreport only (mg/L)all year
Arsenic, total [as As]daily maximumreport only (mg/L)all year
Iron, total [as Fe]daily maximumreport only (ug/L)all year
Lead, total [as Pb]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]daily maximumreport only (ug/L)all year
Aluminum, total [as Al]daily maximumreport only (mg/L)all year
Chromium, total recoverabledaily maximumreport only (ug/L)all year
Selenium, total [as Se]daily maximumreport only (mg/L)all year
Cyanide [A]daily maximumreport only (ug/L)all year
Manganese, total recoverabledaily maximumreport only (ug/L)all year
Benzenedaily maximumreport only (ug/L)all year
Benzo[a]pyrenedaily maximumreport only (ug/L)all year
Naphthalenedaily maximumreport only (ug/L)all year
Phenolsdaily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year

How strict are these limits?

Cited limits by parameter: Alabama's rules and the federal ones.

Same industry: the 23 Primary Metal Industries permits in Alabama.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AL0065773 · MCP: https://passage-data.com/mcp