How Clean Is Bearskin Lake?
Bearskin 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): 21 ft. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 1.3 µg/L. Trophic State Index: 32.
Cleanliness Snapshot
| Metric | Bearskin Lake | Minnesota avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 21 ft | — |
| Phosphorus | 6 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 1.3 µg/L | <10 = clean |
| Trophic State Index | 32 | <50 = clean |
How does Bearskin Lake compare?
Bearskin Lake's grade of A matches or beats the Minnesota state average of C. It ranks #23 of 44 lakes in Cook County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.