How Clean Is Oconomowoc Lake Site?
Oconomowoc Lake Site is a clean lake by Wisconsin standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 13 ft. Phosphorus: 13.8 µg/L. Trophic State Index: 41.
Cleanliness Snapshot
| Metric | Oconomowoc Lake Site | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 13 ft | — |
| Phosphorus | 13.8 µg/L | <30 = clean |
| Trophic State Index | 41 | <50 = clean |
How does Oconomowoc Lake Site compare?
Oconomowoc Lake Site's grade of B matches or beats the Wisconsin state average of B. It ranks #20 of 35 lakes in Waukesha County by water quality score. Multi-year monitoring data shows water quality is improving based on 7 years of records.