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Southwire Co - Kentucky Plant

Aluminum Rolling And Drawing, Hawesville, Kentucky. NPDES permit KY0002747, in force until Jun 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form 2 quarterly (10 values), outfall 002 form 1 monthly (16 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 25 reports late

Limits in force (26)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximum≤ 110 deg Fall year001
pHminimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 60 mg/Lall year001
Oil & Greasemonthly average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall 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
pHminimum≥ 7 SUall year002
pHdaily maximum≤ 10 SUall year002
Solids, total suspendedmonthly average≤ 45.2865 lb/dall year002
Solids, total suspendeddaily maximum≤ 95.221 lb/dall year002
Oil & Greasemonthly average≤ 27.8717 lb/dall year002
Oil & Greasedaily maximum≤ 46.4421 lb/dall year002
Cyanide, total [as CN]monthly average≤ .24098 lb/dall year002
Cyanide, total [as CN]daily maximum≤ .58614 lb/dall year002
Zinc, total recoverablemonthly average≤ 1.21783 lb/dall year002
Zinc, total recoverabledaily maximum≤ 2.91763 lb/dall year002
Aluminum, total recoverablemonthly average≤ 6.40496 lb/dall year002
Aluminum, total recoverabledaily maximum≤ 12.8616 lb/dall year002
Chromium, total recoverablemonthly average≤ .36159 lb/dall year002
Chromium, total recoverabledaily maximum≤ .88621 lb/dall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002

How strict are these limits?

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

Same industry: the 22 Primary Metal Industries permits in Kentucky.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/KY0002747 · MCP: https://passage-data.com/mcp