How Clean Is Trout Lake?
Trout Lake is among the cleanest lakes in Minnesota. It received a water quality grade of A (Excellent) based on EPA monitoring data. Water clarity (Secchi depth): 15.5 ft. Trophic State Index: 38.
Cleanliness Snapshot
| Metric | Trout Lake | Minnesota avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 15.5 ft | — |
| Trophic State Index | 38 | <50 = clean |
How does Trout Lake compare?
Trout Lake's grade of A matches or beats the Minnesota state average of C. It ranks #6 of 141 lakes in Itasca County by water quality score. Multi-year monitoring data shows water quality is improving based on 5 years of records.