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Aluminum Dynamics, LLC

Aluminum Sheet, Plate, And Foil, Columbus, Mississippi. NPDES permit MS0062804, in force until Apr 30, 2029. Last 12 months: over a limit once (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 001 form A monthly (16 values), outfall 002 form A monthly (41 values)

Last report on file

August 2026

Oct 2024 – Sep 2025

2 values over a limit, 0 required values missing, 2 of 24 reports late

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

Limits in force (57)

How strict are these limits?

• pH, minimum at least 7.5 SU — stricter than 99% of 712 other minor industrial and other permits in Mississippi
• Nitrogen, ammonia total [as N], daily maximum 2.06 mg/L — stricter than 82% of 150 other minor industrial and other permits in Mississippi; 9% have the same limit
• Nitrogen, ammonia total [as N], monthly average 1.37 mg/L — stricter than 73% of 41 other minor industrial and other permits in Mississippi; 27% have the same limit

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

Same industry: the 4 Primary Metal Industries permits in Mississippi.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0062804 · MCP: https://passage-data.com/mcp