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LakeQuality

Insula Lake vs Thomas Lake

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

Thomas Lake has a higher water quality grade (B, Good) than Insula Lake (C, Fair). Both are in Lake County, Minnesota.

C

Insula Lake

Lake County, Minnesota

Moderate clarity, visible to about 9.5 ft.

B

Thomas Lake

Lake County, Minnesota

Good clarity, visible to about 14 ft.

Side-by-Side Metrics

MetricInsula LakeThomas Lake
Overall GradeC (Fair)B (Good)
Water Clarity9.5 ft14 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth63 ft110 ft
Surface Area2.8K acres1.5K acres
Public AccessNoNo
Fish Species00
Trophic Statemesotrophicoligotrophic

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

Verdict

Thomas Lake wins on overall water quality with a Grade B versus Insula Lake's Grade C. Water clarity: 14 ft vs 9.5 ft. For fishing diversity, Thomas Lake also leads with 0 species.