Is Long Island Lake Safe for Swimming?
Long Island Lake in Cook County, Minnesota has limited nutrient and algae sampling on record. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim.. Water clarity: 9.1 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Water Clarity (Secchi Depth) | 9.1 ft |
| Maximum Depth | 85 ft |
| Location | Cook County, Minnesota |
How does Long Island Lake compare?
Long Island Lake does not have enough recent summer sampling to compare with the Minnesota state average.
Water clarity (Secchi depth) sits at 9.1 feet. That puts the lake in good clarity range, with limited algae interference.
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Where to stay near Long Island Lake
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