How Clean Is Sand Lake?
Sand Lake is among the cleanest lakes in Minnesota. It received a water quality grade of A (Excellent) based on EPA monitoring data. Water clarity (Secchi depth): 13 ft. Phosphorus: 18 µg/L. Trophic State Index: 43.
Cleanliness Snapshot
| Metric | Sand Lake | Minnesota avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 13 ft | — |
| Phosphorus | 18 µg/L | <30 = clean |
| Trophic State Index | 43 | <50 = clean |
How does Sand Lake compare?
Sand Lake's grade of A matches or beats the Minnesota state average of C. It ranks #44 of 141 lakes in Itasca County by water quality score. Multi-year monitoring data shows water quality is improving based on 5 years of records.