Is Sunrise Lake Safe for Swimming?
Sunrise Lake in Chisago County, Minnesota has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 7.7 ft visibility. Phosphorus: 14.7 µg/L. Chlorophyll-a (algae): 3.3 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 7.7 ft |
| Phosphorus | 14.7 μg/L |
| Chlorophyll-a (Algae) | 3.3 μg/L |
| Maximum Depth | 21 ft |
| Location | Chisago County, Minnesota |
How does Sunrise Lake compare?
With an overall water quality grade of B, Sunrise Lake matches or beats the Minnesota state average of Grade C. It ranks #5 of 31 lakes in Chisago County by water quality score.
Water clarity (Secchi depth) sits at 7.7 feet. That puts the lake in good clarity range, with limited algae interference. Algae levels (chlorophyll-a) measure 3.3 µg/L — low and well within safe swimming guidelines.