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Minnesota · 11,232 lakes
Spawn windows, AIS status, and stocking history — before you make the drive.
Stocking (left dot)
AIS Status (right dot)
Lakes outside the AIS monitoring footprint are not necessarily AIS-free — they're simply not yet surveyed. See AIS methodology for coverage details.
HQI — Waterfowl Habitat Quality score (0–100) from NWI wetland coverage, NLCD wetland %, and USDA CRP CP23 adjacent acres. High ≥70 · Moderate 40–69 · Low <40.
STK — Days since last DNR stocking event. Green ≤30 d, amber 31–90 d, gray = no record.
AIS — Invasive species pressure (confirmed AIS species × 10 + county infestations). High ≥20 · Moderate 10–19 · Low <10.
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