How Clean Is Muskego Lake?
Muskego Lake has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Phosphorus: 59.4 µg/L. Trophic State Index: 63.
Cleanliness Snapshot
| Metric | Muskego Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | B |
| Phosphorus | 59.4 µg/L | <30 = clean |
| Trophic State Index | 63 | <50 = clean |
How does Muskego Lake compare?
Muskego Lake's grade of D falls below the Wisconsin state average of B. It ranks #35 of 35 lakes in Waukesha County by water quality score. Multi-year monitoring data shows water quality is declining based on 2 years of records.