How Clean Is Elk Lake?
Elk 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): 2.5 ft. Phosphorus: 74 µg/L. Trophic State Index: 65.
Cleanliness Snapshot
| Metric | Elk Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 2.5 ft | — |
| Phosphorus | 74 µg/L | <30 = clean |
| Trophic State Index | 65 | <50 = clean |
How does Elk Lake compare?
Elk Lake's grade of D falls below the Minnesota state average of C. It ranks #18 of 24 lakes in Sherburne County by water quality score. Multi-year monitoring data shows water quality is stable based on 5 years of records.