How Clean Is Big Cormorant Lake?
Big Cormorant 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): 24.3 ft. Phosphorus: 15.5 µg/L. Trophic State Index: 37.
Cleanliness Snapshot
| Metric | Big Cormorant Lake | Minnesota avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 24.3 ft | — |
| Phosphorus | 15.5 µg/L | <30 = clean |
| Trophic State Index | 37 | <50 = clean |
How does Big Cormorant Lake compare?
Big Cormorant Lake's grade of A matches or beats the Minnesota state average of C. It ranks #10 of 93 lakes in Becker County by water quality score. Multi-year monitoring data shows water quality is declining based on 5 years of records.