How Clean Is Pimushe Lake?
Pimushe 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): 8.2 ft. Phosphorus: 21 µg/L. Chlorophyll-a (algae): 6.5 µg/L. Trophic State Index: 48.
Cleanliness Snapshot
| Metric | Pimushe Lake | Minnesota avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 8.2 ft | — |
| Phosphorus | 21 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 6.5 µg/L | <10 = clean |
| Trophic State Index | 48 | <50 = clean |
How does Pimushe Lake compare?
Pimushe Lake's grade of B matches or beats the Minnesota state average of C. It ranks #64 of 92 lakes in Beltrami County by water quality score. Multi-year monitoring data shows water quality is declining based on 5 years of records.