How Clean Is Sugar Lake?
Sugar 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): 7 ft. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 4.1 µg/L. Trophic State Index: 46.
Cleanliness Snapshot
| Metric | Sugar Lake | Minnesota avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 7 ft | — |
| Phosphorus | 16 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 4.1 µg/L | <10 = clean |
| Trophic State Index | 46 | <50 = clean |
How does Sugar Lake compare?
Sugar Lake's grade of B matches or beats the Minnesota state average of C. It ranks #59 of 141 lakes in Itasca County by water quality score.