Lake Winnibigoshish vs Portage Lake
Water quality, depth, fish species, and recreation comparison.
Lake Winnibigoshish has a higher water quality grade (A, Excellent) than Portage Lake (B, Good). Both are in Cass County, Minnesota.
A
Lake Winnibigoshish
Cass County, Minnesota
Crystal clear, you can see 16 ft down.
B
Portage Lake
Cass County, Minnesota
Moderate clarity, visible to about 7.5 ft.
Side-by-Side Metrics
| Metric | Lake Winnibigoshish | Portage Lake |
|---|---|---|
| Overall Grade | A (Excellent) | B (Good) |
| Water Clarity | 16 ft | 7.5 ft |
| Phosphorus | No data | 23 µg/L |
| Chlorophyll-a (Algae) | 5.4 µg/L | 6.1 µg/L |
| Maximum Depth | 69.8 ft | 55 ft |
| Surface Area | 56.5K acres | 1.5K acres |
| Public Access | Yes | Yes |
| Fish Species | 20 | 15 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Lake Winnibigoshish wins on overall water quality with a Grade A versus Portage Lake's Grade B. Water clarity: 16 ft vs 7.5 ft. For fishing diversity, Lake Winnibigoshish also leads with 20 species.