Is Fremont Lake Safe for Swimming?
Fremont Lake in Sherburne County, Minnesota has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 3 ft visibility. Phosphorus: 63.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | D (Poor) |
| Water Clarity (Secchi Depth) | 3 ft |
| Phosphorus | 63.5 μg/L |
| Maximum Depth | 8 ft |
| Location | Sherburne County, Minnesota |
How does Fremont Lake compare?
With an overall water quality grade of D, Fremont Lake falls below the Minnesota state average of Grade C. It ranks #17 of 24 lakes in Sherburne County by water quality score.
Water clarity (Secchi depth) sits at 3 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment.