How Clean Is Drewery Lake?
Drewery 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): 3.5 ft. Chlorophyll-a (algae): 2.7 µg/L. Trophic State Index: 50.
Cleanliness Snapshot
| Metric | Drewery Lake | Minnesota avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 3.5 ft | — |
| Chlorophyll-a (Algae) | 2.7 µg/L | <10 = clean |
| Trophic State Index | 50 | <50 = clean |
How does Drewery Lake compare?
Drewery Lake's grade of B matches or beats the Minnesota state average of C. It ranks #71 of 86 lakes in Beltrami County by water quality score.