Delavan Lake vs Delavan Lake
Water quality, depth, fish species, and recreation comparison.
Delavan Lake has a higher water quality grade (B, Good) than Delavan Lake (C, Fair). Both are in Walworth County, Wisconsin.
Delavan Lake and Delavan Lake are both in Wisconsin — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. The grades are close: Delavan Lake (B) and Delavan Lake (C) 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.
Delavan Lake
Moderate clarity, visible to about 9.1 ft.
Delavan Lake
Moderate clarity, visible to about 8 ft.
Side-by-Side Metrics
| Metric | Delavan Lake | Delavan Lake |
|---|---|---|
| Overall Grade | B (Good) | C (Fair) |
| Water Clarity | 9.1 ft | 8 ft |
| Phosphorus | 27 µg/L | 49.5 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | - | - |
| Surface Area | 2.1K acres | 2.1K acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | mesotrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Delavan Lake wins on overall water quality with a Grade B versus Delavan Lake's Grade C. Water clarity: 9.1 ft vs 8 ft. For fishing diversity, Delavan Lake also leads with 0 species.