How Clean Is Big Rice Lake?
Big Rice Lake is a clean lake by Minnesota standards. It received a water quality grade of B (Good) based on EPA monitoring data. Phosphorus: 24 µg/L. Trophic State Index: 50.
Cleanliness Snapshot
| Metric | Big Rice Lake | Minnesota avg |
|---|---|---|
| Overall Grade | B | C |
| Phosphorus | 24 µg/L | <30 = clean |
| Trophic State Index | 50 | <50 = clean |
How does Big Rice Lake compare?
Big Rice Lake's grade of B matches or beats the Minnesota state average of C. It ranks #41 of 68 lakes in St. Louis County by water quality score. Multi-year monitoring data shows water quality is improving based on 3 years of records.