Long Lake vs Upper Gull Lake
Water quality, depth, fish species, and recreation comparison.
Long Lake has a higher water quality grade (A, Excellent) than Upper Gull Lake (A, Excellent). Both are in Cass County, Minnesota.
A
Long Lake
Cass County, Minnesota
Crystal clear, you can see 21.8 ft down.
A
Upper Gull Lake
Cass County, Minnesota
Good clarity, visible to about 10 ft.
Side-by-Side Metrics
| Metric | Long Lake | Upper Gull Lake |
|---|---|---|
| Overall Grade | A (Excellent) | A (Excellent) |
| Water Clarity | 21.8 ft | 10 ft |
| Phosphorus | 9 µg/L | 19 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 115 ft | 54 ft |
| Surface Area | 1.0K acres | 421.83 acres |
| Public Access | Yes | No |
| Fish Species | 14 | 20 |
| Trophic State | oligotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Long Lake wins on overall water quality with a Grade A versus Upper Gull Lake's Grade A. Water clarity: 21.8 ft vs 10 ft. For more fish-species variety, Upper Gull Lake edges ahead with 20 documented species.