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Olin Corporation

Alkalies And Chlorine, major discharger, Charleston, Tennessee. NPDES permit TN0002461, in force until Nov 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 15 days after each period: outfall 001 form G monthly (105 values), outfall 003 form G monthly (24 values), outfall 01A form G monthly (21 values), outfall SW7 form G quarterly (4 values), outfall SW8 form G quarterly (4 values), outfall SW2 form G yearly, and 3 more forms

Renewal application due

Jun 3, 2027 · 180 days before expiry; your permit may set another date

Last report on file

September 2026

Oct 2024 – Sep 2025

1 value over a limit, 0 required values missing, 0 of 48 reports late

Limits in force (174)

How strict are these limits?

• Solids, total suspended, daily maximum 45 mg/L — stricter than 60% of 1,064 other major industrial and other permits nationwide; 15% have the same limit
• BOD, 5-day, 20 deg. C, daily maximum 45 mg/L — stricter than 38% of 355 other major industrial and other permits nationwide; 29% have the same limit
• E. coli, daily maximum 487 #/100mL — stricter than 29% of 64 other major industrial and other permits nationwide; 3% have the same limit

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

Same industry: the 30 Chemicals and Allied Products permits in Tennessee.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TN0002461 · MCP: https://passage-data.com/mcp