How Clean Is White Mound Lake?
White Mound Lake has fair water quality — typical of lakes with moderate nutrient enrichment. It received a water quality grade of C (Fair) based on EPA monitoring data. Water clarity (Secchi depth): 5 ft. Phosphorus: 28.4 µg/L. Trophic State Index: 53.
Cleanliness Snapshot
| Metric | White Mound Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 5 ft | — |
| Phosphorus | 28.4 µg/L | <30 = clean |
| Trophic State Index | 53 | <50 = clean |
How does White Mound Lake compare?
White Mound Lake's grade of C matches or beats the Wisconsin state average of C. It ranks #4 of 11 lakes in Sauk County by water quality score. Multi-year monitoring data shows water quality is stable based on 6 years of records.