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We Energies Oak Creek Power PL

Electric Services, major discharger, Oak Creek, Wisconsin. NPDES permit WI0000914 expired Sep 30, 2024; its limits still apply. Last 12 months: no values over a limit, 142 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 15 days after each period: outfall 003 form A monthly (7 values), outfall 003 form Q quarterly (1 value), outfall 004 form A monthly (7 values), outfall 004 form Q quarterly (1 value), outfall 005 form A monthly (7 values), outfall 005 form Q quarterly (1 value), and 17 more forms

Last report on file

June 2026

Oct 2024 – Sep 2025

1 value over a limit, 1,172 required values missing, 0 of 229 reports late

Limits in force (136)

How strict are these limits?

• Mercury, total recoverable, daily maximum 3.7 ng/L — stricter than 92% of 39 other major industrial and other permits nationwide
• Arsenic, total recoverable, daily maximum 1.2 ug/L — stricter than 91% of 59 other major industrial and other permits nationwide
• Phosphorus, total [as P], monthly average .2 mg/L — stricter than 91% of 136 other major industrial and other permits nationwide; 1% have the same limit

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

Same industry: the 17 Electric Services permits in Wisconsin.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WI0000914 · MCP: https://passage-data.com/mcp