Cass Lake Allens Bay vs Drewery Lake
Water quality, depth, fish species, and recreation comparison.
Cass Lake Allens Bay has a higher water quality grade (A, Excellent) than Drewery Lake (B, Good). Both are in Beltrami County, Minnesota.
Both Cass Lake Allens Bay and Drewery 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: Cass Lake Allens Bay (A) and Drewery Lake (B) 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.
Cass Lake Allens Bay
Crystal clear, you can see 16.6 ft down.
Drewery Lake
Murky, only visible to about 3.5 ft.
Side-by-Side Metrics
| Metric | Cass Lake Allens Bay | Drewery Lake |
|---|---|---|
| Overall Grade | A (Excellent) | B (Good) |
| Water Clarity | 16.6 ft | 3.5 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | 4.7 µg/L | 2.7 µg/L |
| Maximum Depth | 120 ft | 120 ft |
| Surface Area | 16.0K acres | 16.0K acres |
| Public Access | Yes | Yes |
| Fish Species | 1 | 1 |
| Trophic State | mesotrophic | mesotrophic |
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 Drewery Lake's Grade B. Water clarity: 16.6 ft vs 3.5 ft. For fishing diversity, Cass Lake Allens Bay also leads with 1 species.