How Clean Is Lac la Belle Lake?
Lac la Belle Lake has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Water clarity (Secchi depth): 5.5 ft. Trophic State Index: 53.
Cleanliness Snapshot
| Metric | Lac la Belle Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 5.5 ft | — |
| Trophic State Index | 53 | <50 = clean |
How does Lac la Belle Lake compare?
Lac la Belle Lake's grade of D falls below the Wisconsin state average of C. It ranks #42 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.