Island Lake vs Shell Lake
Water quality, depth, fish species, and recreation comparison.
Island Lake has a higher water quality grade (B, Good) than Shell Lake (B, Good). Both are in Becker County, Minnesota.
B
Island Lake
Becker County, Minnesota
Good clarity, visible to about 14.6 ft.
B
Shell Lake
Becker County, Minnesota
Moderate clarity, visible to about 7.3 ft.
Side-by-Side Metrics
| Metric | Island Lake | Shell Lake |
|---|---|---|
| Overall Grade | B (Good) | B (Good) |
| Water Clarity | 14.6 ft | 7.3 ft |
| Phosphorus | 20 µg/L | 22 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 38 ft | 16 ft |
| Surface Area | 1.2K acres | 3.1K acres |
| Public Access | Yes | Yes |
| Fish Species | 15 | 14 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Island Lake wins on overall water quality with a Grade B versus Shell Lake's Grade B. Water clarity: 14.6 ft vs 7.3 ft. For fishing diversity, Island Lake also leads with 15 species.