How Clean Is Hidden Valley Lake 1?
Hidden Valley Lake 1 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): 13.1 ft. Trophic State Index: 40.
Cleanliness Snapshot
| Metric | Hidden Valley Lake 1 | Wisconsin avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 13.1 ft | — |
| Trophic State Index | 40 | <50 = clean |
How does Hidden Valley Lake 1 compare?
Hidden Valley Lake 1's grade of B matches or beats the Wisconsin state average of C. It ranks #1 of 3 lakes in Lafayette County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.