How Clean Is Cedar Lake?
Cedar Lake has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Water clarity (Secchi depth): 2 ft. Phosphorus: 83 µg/L. Trophic State Index: 67.
Cleanliness Snapshot
| Metric | Cedar Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 2 ft | — |
| Phosphorus | 83 µg/L | <30 = clean |
| Trophic State Index | 67 | <50 = clean |
How does Cedar Lake compare?
Cedar Lake's grade of D falls below the Minnesota state average of C. It ranks #5 of 12 lakes in Rice County by water quality score. Multi-year monitoring data shows water quality is improving based on 5 years of records.