Loch Lomond Lake vs Round Lake
Water quality, depth, fish species, and recreation comparison.
Loch Lomond Lake has a higher water quality grade (A, Excellent) than Round Lake (B, Good). Both are in Lake County, Wisconsin.
Both Loch Lomond Lake and Round Lake sit in Illinois. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. The grades are close: Loch Lomond Lake (A) and Round Lake (B) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.
With grades this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.
Loch Lomond Lake
Crystal clear, you can see 16.5 ft down.
Round Lake
Moderate clarity, visible to about 7.4 ft.
Side-by-Side Metrics
| Metric | Loch Lomond Lake | Round Lake |
|---|---|---|
| Overall Grade | A (Excellent) | B (Good) |
| Water Clarity | 16.5 ft | 7.4 ft |
| Phosphorus | No data | 19.5 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | - | - |
| Surface Area | 72 acres | 242 acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | oligotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Loch Lomond Lake wins on overall water quality with a Grade A versus Round Lake's Grade B. Water clarity: 16.5 ft vs 7.4 ft. For fishing diversity, Loch Lomond Lake also leads with 0 species.