Hammal Lake vs Round Lake
Water quality, depth, fish species, and recreation comparison.
Round Lake has a higher water quality grade (A, Excellent) than Hammal Lake (B, Good). Both are in Aitkin County, Minnesota.
B
Hammal Lake
Aitkin County, Minnesota
Good clarity, visible to about 12 ft.
A
Round Lake
Aitkin County, Minnesota
Crystal clear, you can see 15.3 ft down.
Side-by-Side Metrics
| Metric | Hammal Lake | Round Lake |
|---|---|---|
| Overall Grade | B (Good) | A (Excellent) |
| Water Clarity | 12 ft | 15.3 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 44 ft | 59 ft |
| Surface Area | 375.52 acres | 634.03 acres |
| Public Access | Yes | Yes |
| Fish Species | 14 | 15 |
| Trophic State | mesotrophic | oligotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Round Lake wins on overall water quality with a Grade A versus Hammal Lake's Grade B. Water clarity: 15.3 ft vs 12 ft. For fishing diversity, Round Lake also leads with 15 species.