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LakeQuality

Moose Lake vs Rabideau Lake

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

Moose Lake has a higher water quality grade (A, Excellent) than Rabideau Lake (C, Fair). Both are in Beltrami County, Minnesota.

Both Moose Lake and Rabideau Lake sit in Minnesota. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. The grades are meaningfully apart: Moose Lake grades a A while Rabideau Lake grades a C. That two-letter spread reflects real underlying differences — different watershed inputs, different depth profiles, or different monitoring rigor.

For a recreational visitor, the wider grade gap is decisive — Moose 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?

A

Moose Lake

Beltrami County, Minnesota

Good clarity, visible to about 14.1 ft.

C

Rabideau Lake

Beltrami County, Minnesota

Moderate clarity, visible to about 9 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.

MetricMoose LakeRabideau Lake
Overall GradeA (Excellent)C (Fair)
Water Clarity14.1 ft9 ft
Phosphorus11 µg/LNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth71 ft112 ft
Surface Area600.71 acres680.35 acres
Public AccessYesYes
Fish Species11
Trophic Stateoligotrophicmesotrophic

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

Verdict

Moose Lake wins on overall water quality with a Grade A versus Rabideau Lake's Grade C. Water clarity: 14.1 ft vs 9 ft. For fishing diversity, Moose Lake also leads with 1 species.