Little Muskego Lake vs Muskego Lake
Water quality, depth, fish species, and recreation comparison.
Little Muskego Lake has a higher water quality grade (A, Excellent) than Muskego Lake (C, Fair). Both are in Waukesha County, Wisconsin.
Little Muskego Lake and Muskego 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. Little Muskego Lake (A) is materially cleaner than Muskego Lake (C). A gap that wide is unlikely to close in a single year of remediation work; it reflects multi-decade differences in the lakes themselves.
For a recreational visitor, the wider grade gap is decisive — Little Muskego 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?
Little Muskego Lake
Crystal clear, you can see 15.5 ft down.
Muskego Lake
No clarity data.
Side-by-Side Metrics
| Metric | Little Muskego Lake | Muskego Lake |
|---|---|---|
| Overall Grade | A (Excellent) | C (Fair) |
| Water Clarity | 15.5 ft | No data |
| Phosphorus | No data | 59.4 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 65 ft | 23 ft |
| Surface Area | 470 acres | 2.2K acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | oligotrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Little Muskego Lake wins on overall water quality with a Grade A versus Muskego Lake's Grade C. For fishing diversity, Little Muskego Lake also leads with 0 species.