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Entergy Louisiana LLC - Calcasieu Plant

Electric Services, Sulphur, Louisiana. NPDES permit LA0112704, in force until Feb 28, 2030. Last 12 months: over a limit 6 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 001 form Q quarterly (10 values), outfall 002 form Q quarterly (10 values), outfall 101 form A quarterly (16 values), outfall 107 form Q quarterly (11 values), outfall 201 form S twice a year

Last report on file

September 2026

Oct 2024 – Sep 2025

0 values over a limit, 0 required values missing, 0 of 26 reports late

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

Limits in force (57)

How strict are these limits?

• Oil & Grease, monthly average 15 mg/L — stricter than 52% of 40 other minor industrial and other permits in Louisiana; 20% have the same limit
• Solids, total suspended, daily maximum 45 mg/L — stricter than 18% of 551 other minor industrial and other permits in Louisiana; 59% have the same limit
• Benzene, daily maximum 50 ug/L — stricter than 16% of 127 other minor industrial and other permits in Louisiana; 80% have the same limit

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

Same industry: the 29 Electric Services permits in Louisiana.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0112704 · MCP: https://passage-data.com/mcp