Passage Data · Check a report · Use it from your AI

Contango Resources, LLC

Crude Petroleum And Natural Gas, (Unknown City), Wyoming. NPDES permit WY0000868, in force until Dec 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 001 form OB twice a year, outfall 001 form OM twice a year, outfall 001 form OS twice a year, outfall 002 form OB twice a year, outfall 002 form OM twice a year, outfall 002 form OS twice a year, and 13 more forms

Last report on file

June 2026

Oct 2024 – Sep 2025

0 values over a limit, 0 required values missing, 0 of 124 reports late

Limits in force (62)

How strict are these limits?

• 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

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/WY0000868 · MCP: https://passage-data.com/mcp