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Shoshone Municipal Pipeline

Pipelines, Unknown, Wyoming. NPDES permit WY0035629 expired Dec 31, 2023; its limits still apply. Last 12 months: no values over a limit, 30 required values missing, 171 of 171 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 001 form WE yearly (10 values), outfall 002 form WE yearly (10 values), outfall 003 form WE yearly (10 values), outfall 004 form WE yearly (10 values), outfall 005 form WE yearly (10 values), outfall 006 form WE yearly (10 values), and 51 more forms

Last report on file

December 2025

Oct 2024 – Sep 2025

0 values over a limit, 90 required values missing, 513 of 684 reports late

Limits in force (570)

How strict are these limits?

• Solids, total suspended, monthly average 20 mg/L — stricter than 80% of 80 other minor industrial and other permits in Wyoming; 20% have the same limit
• Solids, total suspended, weekly average 30 mg/L — stricter than 77% of 58 other minor industrial and other permits in Wyoming; 22% have the same limit
• Solids, total suspended, daily maximum 45 mg/L — stricter than 67% of 43 other minor industrial and other permits in Wyoming; 21% have the same limit

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

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WY0035629 · MCP: https://passage-data.com/mcp