Skip to main content
LakeQuality

South Turtle Lake vs Unnamed Lake

Water quality, depth, fish species, and recreation comparison.

Unnamed Lake has a higher water quality grade (A, Excellent) than South Turtle Lake (B, Good). Both are in Otter Tail County, Minnesota.

B

South Turtle Lake

Otter Tail County, Minnesota

Good clarity, visible to about 14.1 ft.

A

Unnamed Lake

Otter Tail County, Minnesota

Crystal clear, you can see 15.1 ft down.

Side-by-Side Metrics

MetricSouth Turtle LakeUnnamed Lake
Overall GradeB (Good)A (Excellent)
Water Clarity14.1 ft15.1 ft
Phosphorus20 µg/L9 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth35 ft95 ft
Surface Area836.57 acres1.4K acres
Public AccessYesYes
Fish Species1317
Trophic Statemesotrophicoligotrophic

Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).

Verdict

Unnamed Lake wins on overall water quality with a Grade A versus South Turtle Lake's Grade B. Water clarity: 15.1 ft vs 14.1 ft. For fishing diversity, Unnamed Lake also leads with 17 species.