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LakeQuality

Cass Lake Allens Bay vs Little Wolf Lake

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

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

Both Cass Lake Allens Bay and Little Wolf 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 — Cass Lake Allens Bay (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

Cass Lake Allens Bay

Beltrami County, Minnesota

Crystal clear, you can see 16.6 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.

MetricCass Lake Allens BayLittle Wolf Lake
Overall GradeA (Excellent)B (Good)
Water Clarity16.6 ft9.3 ft
PhosphorusNo data25 µg/L
Chlorophyll-a (Algae)4.7 µg/LNo data
Maximum Depth120 ft24 ft
Surface Area16.0K 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

Cass Lake Allens Bay wins on overall water quality with a Grade A versus Little Wolf Lake's Grade B. Water clarity: 16.6 ft vs 9.3 ft. For fishing diversity, Cass Lake Allens Bay also leads with 1 species.