Alexander Lake vs Sullivan Lake
Water quality, depth, fish species, and recreation comparison.
Alexander Lake has a higher water quality grade (A, Excellent) than Sullivan Lake (A, Excellent). Both are in Morrison County, Minnesota.
A
Alexander Lake
Morrison County, Minnesota
Crystal clear, you can see 16.5 ft down.
A
Sullivan Lake
Morrison County, Minnesota
Good clarity, visible to about 10.8 ft.
Side-by-Side Metrics
| Metric | Alexander Lake | Sullivan Lake |
|---|---|---|
| Overall Grade | A (Excellent) | A (Excellent) |
| Water Clarity | 16.5 ft | 10.8 ft |
| Phosphorus | 16.5 µg/L | 14 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 64 ft | 57 ft |
| Surface Area | 2.7K acres | 1.1K acres |
| Public Access | Yes | Yes |
| Fish Species | 19 | 18 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Alexander Lake wins on overall water quality with a Grade A versus Sullivan Lake's Grade A. Water clarity: 16.5 ft vs 10.8 ft. For fishing diversity, Alexander Lake also leads with 19 species.