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Independence Lake reads lower on nutrients and algae than Sarah Lake. Both are in Hennepin County, Minnesota.

Reviewed by LakeQuality Editorial Team · Updated

Both Independence Lake and Sarah Lake sit in Minnesota. A same-state comparison strips out the state-level water-quality regime as a variable: any differences in the readings here are about the lakes themselves, not the agencies sampling them. These two sit close on the readings, Independence Lake versus Sarah Lake. The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.

With readings this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.

Independence Lake

Hennepin County, Minnesota

Murky, only visible to about 4.8 ft.

Sarah Lake

Hennepin County, Minnesota

Very murky, less than 3.1 ft of visibility.

Side-by-Side Metrics

MetricIndependence LakeSarah Lake
Water Clarity4.8 ft Better3.1 ft
Phosphorus68.8 µg/L Better106.1 µg/L
Chlorophyll-a (Algae)18.6 µg/L Better34.3 µg/L
Maximum Depth58 ft59 ft Better
Surface Area832 acres557 acres
Public AccessYesYes
Fish Species17 Better13
Trophic Stateeutrophiceutrophic

A green ✓ marks the better value for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better). Surface area and trophic state carry no tick — a bigger lake is not a better lake.

Verdict

Independence Lake reads lower on nutrients and algae than Sarah Lake. Water clarity: 4.8 ft vs 3.1 ft. For fishing diversity, Independence Lake also leads with 17 species.

Source: EPA National Aquatic Resource Surveys, 2026.