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Osage Partners LLC

Crude Petroleum And Natural Gas, Unknown, Wyoming. NPDES permit WY0003221 expired Aug 31, 2026; its limits still apply. Last 12 months: no values over a limit, 104 of 294 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 001 form OM twice a year (4 values), outfall 002 form OM twice a year (4 values), outfall 003 form OM twice a year (4 values), outfall 004 form OM twice a year (4 values), outfall 005 form OM twice a year (4 values), outfall 006 form OM twice a year (4 values), and 46 more forms

Last report on file

July 2026

Oct 2024 – Sep 2025

0 values over a limit, 256 required values missing, 142 of 346 reports late

Limits in force (275)

How strict are these limits?

• Radium 226, total, daily maximum 3 pCi/L — stricter than 96% of 131 other minor industrial and other permits in Wyoming; 3% have the same limit
• Selenium, total recoverable, daily maximum 5 ug/L — stricter than 72% of 97 other minor industrial and other permits nationwide; 9% have the same limit
• Copper, dissolved [as Cu], daily maximum 9 ug/L — stricter than 60% of 35 other minor industrial and other permits nationwide; 11% have the same limit

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

Same industry: the 209 Oil and Gas Extraction permits in Wyoming.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WY0003221 · MCP: https://passage-data.com/mcp