How Clean Is Fremont Lake?
Fremont 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): 3 ft. Phosphorus: 63.5 µg/L. Trophic State Index: 63.
Cleanliness Snapshot
| Metric | Fremont Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 3 ft | — |
| Phosphorus | 63.5 µg/L | <30 = clean |
| Trophic State Index | 63 | <50 = clean |
How does Fremont Lake compare?
Fremont Lake's grade of D falls below the Minnesota state average of C. It ranks #17 of 24 lakes in Sherburne County by water quality score. Multi-year monitoring data shows water quality is improving based on 2 years of records.