Skip to main content
LakeQuality

Eagle Lake vs Unnamed Lake

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

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

Both Eagle Lake and Unnamed 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 close: Eagle Lake (A) and Unnamed Lake (A) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.

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

Unnamed Lake

Otter Tail County, Minnesota

Crystal clear, you can see 15.1 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 LakeUnnamed Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity22.6 ft15.1 ft
Phosphorus5 µg/L9 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth46 ft95 ft
Surface Area907.4 acres1.4K acres
Public AccessYesYes
Fish Species11
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, Unnamed Lake: 15.1 ft) and what you want from the lake. Eagle Lake matches its peer on species count.