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LakeQuality

Grace Lake vs Little Wolf Lake

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

Grace Lake has a higher water quality grade (A, Excellent) than Little Wolf Lake (B, Good). Both are in Minnesota.

Grace Lake and Little Wolf 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 — Grace Lake (A) versus Little Wolf 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

Grace Lake

Beltrami County, Minnesota

Crystal clear, you can see 15.5 ft down.

B

Little Wolf Lake

Cass County, Minnesota

Moderate clarity, visible to about 9.3 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.

MetricGrace LakeLittle Wolf Lake
Overall GradeA (Excellent)B (Good)
Water Clarity15.5 ft9.3 ft
Phosphorus21.5 µg/L25 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth42 ft24 ft
Surface Area859.82 acres524.59 acres
Public AccessYesYes
Fish Species11
Trophic Statemesotrophicmesotrophic

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

Verdict

Grace Lake wins on overall water quality with a Grade A versus Little Wolf Lake's Grade B. Water clarity: 15.5 ft vs 9.3 ft. For fishing diversity, Grace Lake also leads with 1 species.