Sugar Lake vs Third River Flowage Lake
Water quality, depth, fish species, and recreation comparison.
Sugar Lake has a higher water quality grade (B, Good) than Third River Flowage Lake (B, Good). Both are in Itasca County, Minnesota.
B
Sugar Lake
Itasca County, Minnesota
Moderate clarity, visible to about 7 ft.
B
Third River Flowage Lake
Itasca County, Minnesota
Moderate clarity, visible to about 7.4 ft.
Side-by-Side Metrics
| Metric | Sugar Lake | Third River Flowage Lake |
|---|---|---|
| Overall Grade | B (Good) | B (Good) |
| Water Clarity | 7 ft | 7.4 ft |
| Phosphorus | 16 µg/L | No data |
| Chlorophyll-a (Algae) | 4.1 µg/L | 5.5 µg/L |
| Maximum Depth | 22 ft | 69.8 ft |
| Surface Area | 1.5K acres | 56.5K acres |
| Public Access | No | Yes |
| Fish Species | 13 | 20 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Sugar Lake wins on overall water quality with a Grade B versus Third River Flowage Lake's Grade B. Water clarity: 7 ft vs 7.4 ft. For more fish-species variety, Third River Flowage Lake edges ahead with 20 documented species.