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LakeQuality

Muskego Lake vs Pine Lake

Water quality, depth, fish species, and recreation comparison.

Pine Lake has a higher water quality grade (A, Excellent) than Muskego Lake (C, Fair). Both are in Waukesha County, Wisconsin.

Both Muskego Lake and Pine Lake sit in Wisconsin. 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 meaningfully apart: Pine Lake grades a A while Muskego Lake grades a C. 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 — Pine 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?

C

Muskego Lake

Waukesha County, Wisconsin

No clarity data.

A

Pine Lake

Waukesha County, Wisconsin

Crystal clear, you can see 25 ft down.

Side-by-Side Metrics

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

MetricMuskego LakePine Lake
Overall GradeC (Fair)A (Excellent)
Water ClarityNo data25 ft
Phosphorus59.4 µg/L11.9 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth23 ft85 ft
Surface Area2.2K acres711 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophicoligotrophic

Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).

Verdict

Pine Lake wins on overall water quality with a Grade A versus Muskego Lake's Grade C. For fishing diversity, Pine Lake also leads with 0 species.