Is Sugar Lake Safe for Swimming?
Sugar Lake in Itasca County, Minnesota has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 7 ft visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 4.1 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 7 ft |
| Phosphorus | 16 μg/L |
| Chlorophyll-a (Algae) | 4.1 μg/L |
| Maximum Depth | 22 ft |
| Location | Itasca County, Minnesota |
How does Sugar Lake compare?
With an overall water quality grade of B, Sugar Lake matches or beats the Minnesota state average of Grade C. It ranks #59 of 141 lakes in Itasca County by water quality score.
Water clarity (Secchi depth) sits at 7 feet. That puts the lake in good clarity range, with limited algae interference. Algae levels (chlorophyll-a) measure 4.1 µg/L — low and well within safe swimming guidelines.