Is Shagawa Lake Safe for Swimming?
Shagawa Lake in St. Louis 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: 8.9 ft visibility. Phosphorus: 13 µg/L. Chlorophyll-a (algae): 5.4 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Water Clarity (Secchi Depth) | 8.9 ft |
| Phosphorus | 13 μg/L |
| Chlorophyll-a (Algae) | 5.4 μg/L |
| Maximum Depth | 48 ft |
| Location | St. Louis County, Minnesota |
How does Shagawa Lake compare?
Shagawa 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 8.9 feet. That puts the lake in good clarity range, with limited algae interference. Algae levels (chlorophyll-a) measure 5.4 µg/L — low and well within safe swimming guidelines.
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