How Clean Is North Twin Lake?
North Twin 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): 14 ft. Trophic State Index: 39.
Cleanliness Snapshot
| Metric | North Twin Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 14 ft | — |
| Trophic State Index | 39 | <50 = clean |
How does North Twin Lake compare?
North Twin Lake's grade of B matches or beats the Wisconsin state average of C. It ranks #91 of 191 lakes in Vilas County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.