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LakeQuality

Mountain Lake vs Rove Lake

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

Mountain Lake has a higher water quality grade (A, Excellent) than Rove Lake (C, Fair). Both are in Minnesota.

Both Mountain Lake and Rove 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. Mountain Lake (A) is materially cleaner than Rove 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 — Mountain 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

Mountain Lake

Unknown County, Minnesota

Crystal clear, you can see 19 ft down.

C

Rove Lake

Cook 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.

MetricMountain LakeRove Lake
Overall GradeA (Excellent)C (Fair)
Water Clarity19 ft9 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth130 ft130 ft
Surface Area1.3K acres1.3K acres
Public AccessYesYes
Fish Species11
Trophic Stateoligotrophicmesotrophic

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

Verdict

Mountain Lake wins on overall water quality with a Grade A versus Rove Lake's Grade C. Water clarity: 19 ft vs 9 ft. For fishing diversity, Mountain Lake also leads with 1 species.