How Clean Is Fish Trap Lake?
Fish Trap 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): 9.7 ft. Phosphorus: 22 µg/L. Chlorophyll-a (algae): 7 µg/L. Trophic State Index: 48.
Cleanliness Snapshot
| Metric | Fish Trap Lake | Minnesota avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 9.7 ft | — |
| Phosphorus | 22 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 7 µg/L | <10 = clean |
| Trophic State Index | 48 | <50 = clean |
How does Fish Trap Lake compare?
Fish Trap Lake's grade of A matches or beats the Minnesota state average of C. It ranks #6 of 8 lakes in Morrison County by water quality score. Multi-year monitoring data shows water quality is improving based on 5 years of records.