Dora Lake vs Island Lake
Water quality, depth, fish species, and recreation comparison.
Dora Lake has a higher water quality grade (B, Good) than Island Lake (C, Fair). Both are in Itasca County, Minnesota.
B
Dora Lake
Itasca County, Minnesota
Moderate clarity, visible to about 7.5 ft.
C
Island Lake
Itasca County, Minnesota
Moderate clarity, visible to about 8.9 ft.
Side-by-Side Metrics
| Metric | Dora Lake | Island Lake |
|---|---|---|
| Overall Grade | B (Good) | C (Fair) |
| Water Clarity | 7.5 ft | 8.9 ft |
| Phosphorus | 25 µg/L | 32.5 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 18 ft | 35 ft |
| Surface Area | 423.11 acres | 3.1K acres |
| Public Access | Yes | Yes |
| Fish Species | 13 | 15 |
| Trophic State | mesotrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Dora Lake wins on overall water quality with a Grade B versus Island Lake's Grade C. Water clarity: 7.5 ft vs 8.9 ft. For more fish-species variety, Island Lake edges ahead with 15 documented species.