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MDNR

Fish Hatcheries And Preserves, Lanesboro, Minnesota. NPDES permit MN0004430, in force until Oct 31, 2028. Last 12 months: over a limit once (last October 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due

About 47 days after each period: outfall D004 form A1 monthly (7 values), outfall D005 form A1 monthly (19 values), outfall D006 form A1 monthly (19 values), outfall D007 form A1 monthly (19 values), outfall D009 form A1 monthly (19 values), outfall W010 form A1 monthly (2 values), and 1 more form

Renewal application due

May 4, 2028 · 180 days before expiry; your permit may set another date

Last report on file

September 2026

Oct 2024 – Sep 2025

1 value over a limit, 0 required values missing, 0 of 84 reports late

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

Limits in force (89)

How strict are these limits?

• pH, instantaneous minimum at least 6.5 SU — stricter than 94% of 58 other minor industrial and other permits in Minnesota; 5% have the same limit
• pH, instantaneous maximum 8.5 SU — stricter than 91% of 58 other minor industrial and other permits in Minnesota; 9% have the same limit
• Temperature, water deg. fahrenheit, monthly average 50 deg F — stricter than 86% of 59 other minor industrial and other permits nationwide

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

Same industry: the 4 Fishing, Hunting and Trapping permits in Minnesota.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MN0004430 · MCP: https://passage-data.com/mcp