How Clean Is Round Lake?
Round 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): 14.5 ft. Trophic State Index: 39.
Cleanliness Snapshot
| Metric | Round Lake | Minnesota avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 14.5 ft | — |
| Trophic State Index | 39 | <50 = clean |
How does Round Lake compare?
Round Lake's grade of B matches or beats the Minnesota state average of C. It ranks #14 of 53 lakes in Aitkin County by water quality score. Multi-year monitoring data shows water quality is stable based on 4 years of records.