How Clean Is Farm Island Lake?
Farm Island Lake is a clean lake by Minnesota standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 10.5 ft. Trophic State Index: 43.
Cleanliness Snapshot
| Metric | Farm Island Lake | Minnesota avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 10.5 ft | — |
| Trophic State Index | 43 | <50 = clean |
How does Farm Island Lake compare?
Farm Island Lake's grade of B matches or beats the Minnesota state average of C. It ranks #21 of 53 lakes in Aitkin County by water quality score. Multi-year monitoring data shows water quality is improving based on 5 years of records.