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LakeQuality

Eagle Lake vs West Mcdonald Lake

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

Eagle Lake and West Mcdonald Lake both received the same overall water quality grade of A (Excellent). Both are in Otter Tail County, Minnesota.

Reviewed by LakeQuality Editorial Team · Updated

Eagle Lake and West Mcdonald 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 — Eagle Lake (A) versus West Mcdonald 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

Eagle Lake

Otter Tail County, Minnesota

Crystal clear, you can see 22.6 ft down.

A

West Mcdonald Lake

Otter Tail County, Minnesota

Crystal clear, you can see 16.2 ft down.

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.

MetricEagle LakeWest Mcdonald Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity22.6 ft16.2 ft
Phosphorus5 µg/LNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth46 ft62 ft
Surface Area907.4 acres596.86 acres
Public AccessYesYes
Fish Species1015
Trophic Stateoligotrophicoligotrophic

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 (Eagle Lake: 22.6 ft, West Mcdonald Lake: 16.2 ft) and what you want from the lake. Eagle Lake has fewer fish species than West Mcdonald Lake.