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SMI Steel LLC

Blast Furnaces And Steel Mills, major discharger, Birmingham, Alabama. NPDES permit AL0001554 expired Nov 30, 2025; its limits still apply. Last 12 months: over a limit once (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form 0 monthly (26 values), outfall 001 form 1 monthly (25 values), outfall 001 form 2 monthly (25 values), outfall 001 form 3 monthly (25 values), outfall 001 form T quarterly (2 values), outfall 003 form 1 monthly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 64 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
May 2026Oxygen, dissolved [DO], daily minimum5.4≥ 6 mg/L10%

Limits in force (115)

ParameterStatisticLimitMonthsOutfall
Streamflowmonthly average≤ 4.3 cfsall year001
Streamflowmonthly average≤ 3 cfsall year001
Streamflowmonthly average≤ 3.5 cfsall year001
Streamflowmonthly averagereport only (cfs)all year001
Streamflowdaily maximumreport only (cfs)all year001
Streamflowdaily maximumreport only (cfs)all year001
Streamflowdaily maximumreport only (cfs)all year001
Streamflowdaily maximumreport only (cfs)all year001
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily minimum≥ 6 SUall year001
pHdaily minimum≥ 6 SUall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 8.5 SUall year001
pHdaily maximum≤ 8.5 SUall year001
pHdaily maximum≤ 8.5 SUall year001
pHdaily maximum≤ 8.5 SUall year001
Solids, total suspendedmonthly average≤ 423 lb/dall year001
Solids, total suspendedmonthly average≤ 423 lb/dall year001
Solids, total suspendedmonthly average≤ 423 lb/dall year001
Solids, total suspendedmonthly average≤ 423 lb/dall year001
Solids, total suspendeddaily maximum≤ 1154 lb/dall year001
Solids, total suspendeddaily maximum≤ 1154 lb/dall year001
Solids, total suspendeddaily maximum≤ 1154 lb/dall year001
Solids, total suspendeddaily maximum≤ 1154 lb/dall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Oil & Greasemonthly average≤ 108 lb/dall year001
Oil & Greasemonthly average≤ 108 lb/dall year001
Oil & Greasemonthly average≤ 108 lb/dall year001
Oil & Greasemonthly average≤ 108 lb/dall year001
Oil & Greasedaily maximum≤ 360 lb/dall year001
Oil & Greasedaily maximum≤ 360 lb/dall year001
Oil & Greasedaily maximum≤ 360 lb/dall year001
Oil & Greasedaily maximum≤ 360 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 1.5 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 1.5 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 1.5 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 1.5 mg/Lall year001
Phosphorus, total [as P]daily maximum≤ 2 mg/LMar–Oct001
Phosphorus, total [as P]daily maximum≤ 2 mg/LMar–Oct001
Phosphorus, total [as P]daily maximum≤ 2 mg/LMar–Oct001
Phosphorus, total [as P]daily maximum≤ 2 mg/LMar–Oct001
Lead, total [as Pb]monthly averagereport only (mg/L)all year001
Lead, total [as Pb]monthly averagereport only (mg/L)all year001
Lead, total [as Pb]monthly averagereport only (mg/L)all year001
Lead, total [as Pb]monthly averagereport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]monthly average≤ .28 lb/dall year001
Lead, total [as Pb]monthly average≤ .34 lb/dall year001
Lead, total [as Pb]monthly average≤ .25 lb/dall year001
Lead, total [as Pb]monthly average≤ .06 lb/dall year001
Lead, total [as Pb]daily maximum≤ 1.12 lb/dall year001
Lead, total [as Pb]daily maximum≤ 1.12 lb/dall year001
Lead, total [as Pb]daily maximum≤ 1.12 lb/dall year001
Lead, total [as Pb]daily maximum≤ 1.12 lb/dall year001
Zinc, total [as Zn]monthly averagereport only (mg/L)all year001
Zinc, total [as Zn]monthly averagereport only (mg/L)all year001
Zinc, total [as Zn]monthly averagereport only (mg/L)all year001
Zinc, total [as Zn]monthly averagereport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]monthly average≤ .56 lb/dall year001
Zinc, total [as Zn]monthly average≤ .56 lb/dall year001
Zinc, total [as Zn]monthly average≤ .56 lb/dall year001
Zinc, total [as Zn]monthly average≤ .56 lb/dall year001
Zinc, total [as Zn]daily maximum≤ 1.68 lb/dall year001
Zinc, total [as Zn]daily maximum≤ 1.68 lb/dall year001
Zinc, total [as Zn]daily maximum≤ 1.68 lb/dall year001
Zinc, total [as Zn]daily maximum≤ 1.68 lb/dall year001
Copper, total recoverabledaily maximum≤ .0346 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 0 pass=0;fail=1all year001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximum≤ 0 pass=0;fail=1all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 70 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 36 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 98 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 50 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 50 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 27 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 9 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 4.9 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 105 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 54 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 147 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 75 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 74 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 40.5 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 13.5 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 7.4 mg/LMay–Nov001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Chlorine, total residualmonthly average≤ .011 mg/Lall year003
Chlorine, total residualdaily maximum≤ .019 mg/Lall year003

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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AL0001554 · MCP: https://passage-data.com/mcp