How Clean Is Sidie Hollow Lake?
Sidie Hollow 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): 12 ft. Trophic State Index: 41.
Cleanliness Snapshot
| Metric | Sidie Hollow Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 12 ft | — |
| Trophic State Index | 41 | <50 = clean |
How does Sidie Hollow Lake compare?
Sidie Hollow Lake's grade of B matches or beats the Wisconsin state average of C. It ranks #1 of 1 lakes in Vernon County by water quality score. Multi-year monitoring data shows water quality is declining based on 2 years of records.