How Clean Is Drewery Lake?
Drewery Lake has fair water quality — typical of lakes with moderate nutrient enrichment. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 3.5 ft. Phosphorus: 11.5 µg/L. Chlorophyll-a (algae): 2.7 µg/L. Trophic State Index: 46.
Cleanliness Snapshot
| Metric | Drewery Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 3.5 ft | — |
| Phosphorus | 11.5 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 2.7 µg/L | <10 = clean |
| Trophic State Index | 46 | <50 = clean |
How does Drewery Lake compare?
Drewery Lake's readings match or beat the Minnesota state average. It ranks #76 of 85 lakes in Beltrami County by water quality score. Multi-year monitoring data shows water quality is declining based on 2 years of records.
Watch Drewery Lake water quality
Get an email when the clarity or algae readings change. Unsubscribe anytime.