Shallow Lake vs Third River Flowage Lake
Water quality, depth, fish species, and recreation comparison.
Shallow Lake has a higher water quality grade (A, Excellent) than Third River Flowage Lake (B, Good). Both are in Itasca County, Minnesota.
A
Shallow Lake
Itasca County, Minnesota
Crystal clear, you can see 16.4 ft down.
B
Third River Flowage Lake
Itasca County, Minnesota
Moderate clarity, visible to about 7.4 ft.
Side-by-Side Metrics
| Metric | Shallow Lake | Third River Flowage Lake |
|---|---|---|
| Overall Grade | A (Excellent) | B (Good) |
| Water Clarity | 16.4 ft | 7.4 ft |
| Phosphorus | 9 µg/L | No data |
| Chlorophyll-a (Algae) | No data | 5.5 µg/L |
| Maximum Depth | 85 ft | 69.8 ft |
| Surface Area | 538.95 acres | 56.5K acres |
| Public Access | Yes | Yes |
| Fish Species | 12 | 20 |
| Trophic State | oligotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Shallow Lake wins on overall water quality with a Grade A versus Third River Flowage Lake's Grade B. Water clarity: 16.4 ft vs 7.4 ft. For more fish-species variety, Third River Flowage Lake edges ahead with 20 documented species.