Is Town Line Lake Safe for Swimming?
Town Line Lake in Cass County, Minnesota has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 6.6 ft visibility. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 2.1 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 6.6 ft |
| Phosphorus | 11 μg/L |
| Chlorophyll-a (Algae) | 2.1 μg/L |
| Maximum Depth | 11 ft |
| Location | Cass County, Minnesota |
How does Town Line Lake compare?
With an overall water quality grade of B, Town Line Lake matches or beats the Minnesota state average of Grade C. It ranks #106 of 133 lakes in Cass County by water quality score.
Water clarity (Secchi depth) sits at 6.6 feet. That puts the lake in good clarity range, with limited algae interference. Algae levels (chlorophyll-a) measure 2.1 µg/L — low and well within safe swimming guidelines.