How Clean Is Ocauchee Lake?
Ocauchee Lake 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): 6.6 ft. Phosphorus: 17.5 µg/L. Trophic State Index: 48.
Cleanliness Snapshot
| Metric | Ocauchee Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 6.6 ft | — |
| Phosphorus | 17.5 µg/L | <30 = clean |
| Trophic State Index | 48 | <50 = clean |
How does Ocauchee Lake compare?
Ocauchee Lake's grade of B matches or beats the Wisconsin state average of B. It ranks #44 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.