Is Pewaukee Lake Safe for Swimming?
Pewaukee Lake in Waukesha County, Wisconsin has nutrient and algae measurements on record from state and federal monitoring. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim.. Water clarity: 7.5 ft visibility. Phosphorus: 19.9 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Water Clarity (Secchi Depth) | 7.5 ft |
| Phosphorus | 19.9 μg/L |
| Maximum Depth | 45 ft |
| Location | Waukesha County, Wisconsin |
How does Pewaukee Lake compare?
On nutrient and algae readings, Pewaukee Lake matches or beats the Wisconsin state average. It ranks #14 of 35 lakes in Waukesha County on nutrient and algae readings.
Water clarity (Secchi depth) sits at 7.5 feet. That puts the lake in good clarity range, with limited algae interference.
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