How Clean Is Dora Lake?
Dora 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): 7.5 ft. Phosphorus: 25 µg/L. Trophic State Index: 49.
Cleanliness Snapshot
| Metric | Dora Lake | Minnesota avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 7.5 ft | — |
| Phosphorus | 25 µg/L | <30 = clean |
| Trophic State Index | 49 | <50 = clean |
How does Dora Lake compare?
Dora Lake's grade of B matches or beats the Minnesota state average of C. It ranks #96 of 141 lakes in Itasca County by water quality score.