Is Little Gunflint Lake Safe for Swimming?
Little Gunflint 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: 16.2 ft visibility. Phosphorus: 7 µg/L. Chlorophyll-a (algae): 1.3 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Water Clarity (Secchi Depth) | 16.2 ft |
| Phosphorus | 7 μg/L |
| Chlorophyll-a (Algae) | 1.3 μg/L |
| Maximum Depth | 200 ft |
| Location | Cook County, Minnesota |
How does Little Gunflint Lake compare?
Little Gunflint Lake is not rated for water quality — it does not have enough recent summer sampling for a readings, so it is not compared with the Minnesota state average.
Water clarity (Secchi depth) sits at 16.2 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae. Algae levels (chlorophyll-a) measure 1.3 µg/L — low and well within safe swimming guidelines.
Watch Little Gunflint Lake water quality
Get an email when the clarity or algae readings change. Unsubscribe anytime.