How Clean Is Lac la Belle Lake?
Lac la Belle 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): 4.8 ft. Phosphorus: 14.7 µg/L. Trophic State Index: 49.
Cleanliness Snapshot
| Metric | Lac la Belle Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 4.8 ft | — |
| Phosphorus | 14.7 µg/L | <30 = clean |
| Trophic State Index | 49 | <50 = clean |
How does Lac la Belle Lake compare?
Lac la Belle Lake's grade of B matches or beats the Wisconsin state average of B. It ranks #16 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.