How Clean Is Oconomowoc Lake 2?
Oconomowoc Lake 2 is among the cleanest lakes in Wisconsin. It received a water quality grade of A (Excellent) based on EPA monitoring data. Water clarity (Secchi depth): 14.2 ft. Phosphorus: 15.5 µg/L. Trophic State Index: 41.
Cleanliness Snapshot
| Metric | Oconomowoc Lake 2 | Wisconsin avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 14.2 ft | — |
| Phosphorus | 15.5 µg/L | <30 = clean |
| Trophic State Index | 41 | <50 = clean |
How does Oconomowoc Lake 2 compare?
Oconomowoc Lake 2's grade of A matches or beats the Wisconsin state average of C. It ranks #9 of 45 lakes in Waukesha County by water quality score. Multi-year monitoring data shows water quality is improving based on 6 years of records.