How Clean Is Minnewashta Lake?
Minnewashta 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): 11.5 ft. Trophic State Index: 42.
Cleanliness Snapshot
| Metric | Minnewashta Lake | Minnesota avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 11.5 ft | — |
| Trophic State Index | 42 | <50 = clean |
How does Minnewashta Lake compare?
Minnewashta Lake's grade of B matches or beats the Minnesota state average of C. It ranks #4 of 40 lakes in Carver County by water quality score. Multi-year monitoring data shows water quality is improving based on 5 years of records.