Lake Kegonsa vs Lake Mendota
Water quality, depth, fish species, and recreation comparison.
Lake Mendota has a higher water quality grade (B, Good) than Lake Kegonsa (B, Good). Both are in Dane County, Wisconsin.
B
Lake Kegonsa
Dane County, Wisconsin
Good clarity, visible to about 12.3 ft.
B
Lake Mendota
Dane County, Wisconsin
Crystal clear, you can see 18 ft down.
Side-by-Side Metrics
| Metric | Lake Kegonsa | Lake Mendota |
|---|---|---|
| Overall Grade | B (Good) | B (Good) |
| Water Clarity | 12.3 ft | 18 ft |
| Phosphorus | 59.5 µg/L | 50.2 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 32 ft | 83 ft |
| Surface Area | 3.2K acres | 9.8K acres |
| Public Access | Yes | Yes |
| Fish Species | 7 | 8 |
| Trophic State | eutrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Lake Mendota wins on overall water quality with a Grade B versus Lake Kegonsa's Grade B. Water clarity: 18 ft vs 12.3 ft. For fishing diversity, Lake Mendota also leads with 8 species.