How Clean Is Cannon Lake?
Cannon Lake is algae-prone, with a higher bloom risk in warm months. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 4.1 ft. Phosphorus: 244 µg/L. Chlorophyll-a (algae): 46.5 µg/L. Trophic State Index: 69.
Cleanliness Snapshot
| Metric | Cannon Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 4.1 ft | — |
| Phosphorus | 244 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 46.5 µg/L | <10 = clean |
| Trophic State Index | 69 | <50 = clean |
How does Cannon Lake compare?
Cannon Lake's readings run above the Minnesota state average. It ranks #12 of 14 lakes in Rice County on nutrient and algae readings.
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