Mazaska Lake vs Roberds Lake
Water quality, depth, fish species, and recreation comparison.
Mazaska Lake has a higher water quality grade (D, Poor) than Roberds Lake (F, Very Poor). Both are in Rice County, Minnesota.
D
Mazaska Lake
Rice County, Minnesota
Very murky, less than 2.5 ft of visibility.
F
Roberds Lake
Rice County, Minnesota
Very murky, less than 2 ft of visibility.
Side-by-Side Metrics
| Metric | Mazaska Lake | Roberds Lake |
|---|---|---|
| Overall Grade | D (Poor) | F (Very Poor) |
| Water Clarity | 2.5 ft | 2 ft |
| Phosphorus | 49 µg/L | 300 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 50 ft | 43 ft |
| Surface Area | 687.68 acres | 632.29 acres |
| Public Access | Yes | Yes |
| Fish Species | 17 | 18 |
| Trophic State | eutrophic | hypereutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Mazaska Lake wins on overall water quality with a Grade D versus Roberds Lake's Grade F. Water clarity: 2.5 ft vs 2 ft. For more fish-species variety, Roberds Lake edges ahead with 18 documented species.