How Clean Is Okauchee Lake-Site No. 3-at Okauchee?
Okauchee Lake-Site No. 3-at Okauchee is among the cleanest lakes in Wisconsin. It received a water quality grade of A (Excellent) based on EPA monitoring data. Phosphorus: 17 µg/L. Trophic State Index: 45.
Cleanliness Snapshot
| Metric | Okauchee Lake-Site No. 3-at Okauchee | Wisconsin avg |
|---|---|---|
| Overall Grade | A | B |
| Phosphorus | 17 µg/L | <30 = clean |
| Trophic State Index | 45 | <50 = clean |
How does Okauchee Lake-Site No. 3-at Okauchee compare?
Okauchee Lake-Site No. 3-at Okauchee's grade of A matches or beats the Wisconsin state average of B. It ranks #30 of 48 lakes in Waukesha County by water quality score. Multi-year monitoring data shows water quality is improving based on 7 years of records.