Skip to main content
LakeQuality

Agnes Lake vs Shell Lake

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

Agnes Lake has a higher water quality grade (B, Good) than Shell Lake (F, Very Poor). Both are in St. Louis County, Minnesota.

B

Agnes Lake

St. Louis County, Minnesota

Good clarity, visible to about 13.5 ft.

F

Shell Lake

St. Louis County, Minnesota

Very murky, less than 3 ft of visibility.

Side-by-Side Metrics

MetricAgnes LakeShell Lake
Overall GradeB (Good)F (Very Poor)
Water Clarity13.5 ft3 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth30 ft15 ft
Surface Area1.0K acres493.3 acres
Public AccessNoNo
Fish Species108
Trophic Stateoligotrophiceutrophic

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

Verdict

Agnes Lake wins on overall water quality with a Grade B versus Shell Lake's Grade F. Water clarity: 13.5 ft vs 3 ft. For fishing diversity, Agnes Lake also leads with 10 species.