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LakeQuality

Horseshoe Lake vs Upper Mission Lake

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

Horseshoe Lake has a higher water quality grade (A, Excellent) than Upper Mission Lake (B, Good). Both are in Crow Wing County, Minnesota.

Both Horseshoe Lake and Upper Mission 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. These two are within a letter of each other on the rubric — Horseshoe Lake (A) versus Upper Mission Lake (B). 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

Horseshoe Lake

Crow Wing County, Minnesota

Good clarity, visible to about 14.4 ft.

B

Upper Mission Lake

Crow Wing County, Minnesota

Good clarity, visible to about 10 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.

MetricHorseshoe LakeUpper Mission Lake
Overall GradeA (Excellent)B (Good)
Water Clarity14.4 ft10 ft
Phosphorus12.5 µg/L21 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth56 ft36 ft
Surface Area922.03 acres881.57 acres
Public AccessYesYes
Fish Species11
Trophic Stateoligotrophicmesotrophic

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

Verdict

Horseshoe Lake wins on overall water quality with a Grade A versus Upper Mission Lake's Grade B. Water clarity: 14.4 ft vs 10 ft. For fishing diversity, Horseshoe Lake also leads with 1 species.