Is Long Lake Safe for Swimming?
Long Lake in Stearns County, Minnesota has a water quality grade of B (Good). Good for swimming — clear water with low algae levels. Water clarity: 13 ft visibility. Phosphorus: 17 µg/L. Chlorophyll-a (algae): 9.7 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 13 ft |
| Phosphorus | 17 μg/L |
| Chlorophyll-a (Algae) | 9.7 μg/L |
| Maximum Depth | 28 ft |
| Location | Stearns County, Minnesota |