Fawn Lake vs Lake Delton
Water quality, depth, fish species, and recreation comparison.
Fawn Lake has a higher water quality grade (B, Good) than Lake Delton (F, Very Poor). Both are in Wisconsin.
Fawn Lake and Lake Delton 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 meaningfully apart: Fawn Lake grades a B while Lake Delton grades a F. That two-letter spread reflects real underlying differences — different watershed inputs, different depth profiles, or different monitoring rigor.
For a recreational visitor, the wider grade gap is decisive — Fawn Lake is the better water-quality choice. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?
Fawn Lake
Moderate clarity, visible to about 9.5 ft.
Lake Delton
Very murky, less than 2.5 ft of visibility.
Side-by-Side Metrics
| Metric | Fawn Lake | Lake Delton |
|---|---|---|
| Overall Grade | B (Good) | F (Very Poor) |
| Water Clarity | 9.5 ft | 2.5 ft |
| Phosphorus | 20.4 µg/L | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | - | - |
| Surface Area | 19 acres | 267 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
Fawn Lake wins on overall water quality with a Grade B versus Lake Delton's Grade F. Water clarity: 9.5 ft vs 2.5 ft. For fishing diversity, Fawn Lake also leads with 0 species.