How Clean Is Campbell Lake?
Campbell Lake has fair water quality — typical of lakes with moderate nutrient enrichment. It received a water quality grade of C (Fair) based on EPA monitoring data. Water clarity (Secchi depth): 6.4 ft. Phosphorus: 22 µg/L. Trophic State Index: 50.
Cleanliness Snapshot
| Metric | Campbell Lake | Minnesota avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 6.4 ft | — |
| Phosphorus | 22 µg/L | <30 = clean |
| Trophic State Index | 50 | <50 = clean |
How does Campbell Lake compare?
Campbell Lake's grade of C matches or beats the Minnesota state average of C. It ranks #75 of 86 lakes in Beltrami County by water quality score. Multi-year monitoring data shows water quality is improving based on 3 years of records.