How Clean Is East Sarah Lake?
East Sarah 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): 3.5 ft. Phosphorus: 128.5 µg/L. Trophic State Index: 67.
Cleanliness Snapshot
| Metric | East Sarah Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 3.5 ft | — |
| Phosphorus | 128.5 µg/L | <30 = clean |
| Trophic State Index | 67 | <50 = clean |
How does East Sarah Lake compare?
East Sarah Lake's grade of D falls below the Minnesota state average of C. It ranks #41 of 81 lakes in Hennepin County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.