How Clean Is Elm Island Lake?
Elm Island 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): 4 ft. Trophic State Index: 57.
Cleanliness Snapshot
| Metric | Elm Island Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 4 ft | — |
| Trophic State Index | 57 | <50 = clean |
How does Elm Island Lake compare?
Elm Island Lake's grade of D falls below the Minnesota state average of C. It ranks #47 of 53 lakes in Aitkin County by water quality score. Multi-year monitoring data shows water quality is stable based on 4 years of records.