Is Independence Lake Safe for Swimming?
Independence Lake in Hennepin County, Minnesota has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 4.8 ft visibility. Phosphorus: 68.8 µg/L. Chlorophyll-a (algae): 18.6 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | D (Poor) |
| Water Clarity (Secchi Depth) | 4.8 ft |
| Phosphorus | 68.8 μg/L |
| Chlorophyll-a (Algae) | 18.6 μg/L |
| Maximum Depth | 58 ft |
| Location | Hennepin County, Minnesota |
How does Independence Lake compare?
With an overall water quality grade of D, Independence Lake falls below the Minnesota state average of Grade C. It ranks #36 of 81 lakes in Hennepin County by water quality score.
Water clarity (Secchi depth) sits at 4.8 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 18.6 µg/L — moderate; acceptable for swimming on most days, but worth checking advisories.