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LakeQuality

Movil Lake vs Three Island Lake

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

Movil Lake and Three Island Lake both received the same overall water quality grade of A (Excellent). Both are in Beltrami County, Minnesota.

Movil Lake and Three Island 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. These two are within a letter of each other on the rubric — Movil Lake (A) versus Three Island Lake (A). The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.

With grades this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.

A

Movil Lake

Beltrami County, Minnesota

Good clarity, visible to about 14 ft.

A

Three Island Lake

Beltrami County, Minnesota

Good clarity, visible to about 12 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.

MetricMovil LakeThree Island Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity14 ft12 ft
Phosphorus12 µg/L17 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth50 ft25 ft
Surface Area855.17 acres729.49 acres
Public AccessYesYes
Fish Species11
Trophic Stateoligotrophicmesotrophic

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

Verdict

Both lakes earn the same Grade A. The tiebreakers come down to clarity (Movil Lake: 14 ft, Three Island Lake: 12 ft) and what you want from the lake. Movil Lake matches its peer on species count.