Is Julia Lake Safe for Swimming?
Julia Lake in Beltrami County, Minnesota has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Water clarity: 9.2 ft visibility. Phosphorus: 21 µg/L. Chlorophyll-a (algae): 4.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Water Clarity (Secchi Depth) | 9.2 ft |
| Phosphorus | 21 μg/L |
| Chlorophyll-a (Algae) | 4.5 μg/L |
| Maximum Depth | 43 ft |
| Location | Beltrami County, Minnesota |
How does Julia Lake compare?
With an overall water quality grade of A, Julia Lake matches or beats the Minnesota state average of Grade C. It ranks #31 of 85 lakes in Beltrami County by water quality score.
Water clarity (Secchi depth) sits at 9.2 feet. That puts the lake in good clarity range, with limited algae interference. Algae levels (chlorophyll-a) measure 4.5 µg/L — low and well within safe swimming guidelines.