How Clean Is Ottertrack Lake?
Ottertrack Lake is among the cleanest lakes in Minnesota. It received a water quality grade of A (Excellent) based on EPA monitoring data. Water clarity (Secchi depth): 20.7 ft. Trophic State Index: 33.
Cleanliness Snapshot
| Metric | Ottertrack Lake | Minnesota avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 20.7 ft | — |
| Trophic State Index | 33 | <50 = clean |
How does Ottertrack Lake compare?
Ottertrack Lake's grade of A matches or beats the Minnesota state average of C. It ranks #2 of 6 lakes in Unknown County by water quality score. Multi-year monitoring data shows water quality is declining based on 4 years of records.