How Clean Is Gull Lake?
Gull 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): 7.9 ft. Phosphorus: 26 µg/L. Chlorophyll-a (algae): 6.3 µg/L. Trophic State Index: 49.
Cleanliness Snapshot
| Metric | Gull Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 7.9 ft | — |
| Phosphorus | 26 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 6.3 µg/L | <10 = clean |
| Trophic State Index | 49 | <50 = clean |
How does Gull Lake compare?
Gull Lake's readings match or beat the Minnesota state average. It ranks #65 of 85 lakes in Beltrami County by water quality score. Multi-year monitoring data shows water quality is improving based on 6 years of records.
Watch Gull Lake water quality
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