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LakeQuality

George Lake vs Washburn Lake

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

Washburn Lake has a higher water quality grade (A, Excellent) than George Lake (C, Fair). Both are in Cass County, Minnesota.

George Lake and Washburn Lake are both in Minnesota — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. Washburn Lake (A) is materially cleaner than George Lake (C). A gap that wide is unlikely to close in a single year of remediation work; it reflects multi-decade differences in the lakes themselves.

For a recreational visitor, the wider grade gap is decisive — Washburn Lake is the better water-quality choice. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?

C

George Lake

Cass County, Minnesota

Murky, only visible to about 4.5 ft.

A

Washburn Lake

Cass County, Minnesota

Good clarity, visible to about 14 ft.

Side-by-Side Metrics

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

MetricGeorge LakeWashburn Lake
Overall GradeC (Fair)A (Excellent)
Water Clarity4.5 ft14 ft
Phosphorus40 µg/L11 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth20 ft111 ft
Surface Area612.45 acres1.6K acres
Public AccessYesYes
Fish Species11
Trophic Stateeutrophicoligotrophic

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

Verdict

Washburn Lake wins on overall water quality with a Grade A versus George Lake's Grade C. Water clarity: 14 ft vs 4.5 ft. For fishing diversity, Washburn Lake also leads with 1 species.