Muskego Lake vs North Lake
Water quality, depth, fish species, and recreation comparison.
North Lake reads lower on nutrients and algae than Muskego Lake. Both are in Waukesha County, Wisconsin.
Both Muskego Lake and North Lake sit in Wisconsin. A same-state comparison strips out the state-level water-quality regime as a variable: any differences in the readings here are about the lakes themselves, not the agencies sampling them. The readings are meaningfully apart: North Lake carries clearly lower phosphorus and chlorophyll-a readings than Muskego Lake. A spread that wide reflects real underlying differences, in watershed inputs, depth profiles, or monitoring rigor.
For a recreational visitor, the wider gap in the readings is decisive: North Lake has the lower nutrient and algae numbers. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?
Muskego Lake
No clarity data.
North Lake
Moderate clarity, visible to about 8 ft.
Side-by-Side Metrics
| Metric | Muskego Lake | North Lake |
|---|---|---|
| Water Clarity | No data | 8 ft |
| Phosphorus | 59.4 µg/L | 17.9 µg/L Better |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 23 ft | 78.4 ft Better |
| Surface Area | 2,194 acres | 440 acres |
| Public Access | Yes | Unknown |
| Fish Species | 3 | 5 Better |
| Trophic State | eutrophic | mesotrophic |
A green ✓ marks the better value for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better). Surface area and trophic state carry no tick — a bigger lake is not a better lake.
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Verdict
North Lake reads lower on nutrients and algae than Muskego Lake. For fishing diversity, North Lake also leads with 5 species.
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Where to stay near Muskego Lake and North Lake
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Source: EPA National Aquatic Resource Surveys, 2026.