Malberg Lake vs Polly Lake
Water quality, depth, fish species, and recreation comparison.
Malberg Lake and Polly Lake both received the same overall water quality grade of D (Poor). Both are in Lake County, Minnesota.
D
Malberg Lake
Lake County, Minnesota
Murky, only visible to about 5.5 ft.
D
Polly Lake
Lake County, Minnesota
Murky, only visible to about 4.5 ft.
Side-by-Side Metrics
| Metric | Malberg Lake | Polly Lake |
|---|---|---|
| Overall Grade | D (Poor) | D (Poor) |
| Water Clarity | 5.5 ft | 4.5 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 37 ft | 21 ft |
| Surface Area | 398.3 acres | 485.24 acres |
| Public Access | No | No |
| Fish Species | 0 | 8 |
| Trophic State | eutrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Both lakes earn the same Grade D. The tiebreakers come down to clarity (Malberg Lake: 5.5 ft, Polly Lake: 4.5 ft) and what you want from the lake. Malberg Lake has fewer fish species than Polly Lake.