How Clean Is Peterson Lake?
Peterson 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): 5.9 ft. Trophic State Index: 52.
Cleanliness Snapshot
| Metric | Peterson Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 5.9 ft | — |
| Trophic State Index | 52 | <50 = clean |
How does Peterson Lake compare?
Peterson Lake's grade of D falls below the Minnesota state average of C. It ranks #91 of 97 lakes in Otter Tail County by water quality score.