How Clean Is Crooked Lake?
Crooked 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): 15 ft. Phosphorus: 10 µg/L. Trophic State Index: 38.
Cleanliness Snapshot
| Metric | Crooked Lake | Minnesota avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 15 ft | — |
| Phosphorus | 10 µg/L | <30 = clean |
| Trophic State Index | 38 | <50 = clean |
How does Crooked Lake compare?
Crooked Lake's grade of A matches or beats the Minnesota state average of C. It ranks #16 of 120 lakes in Crow Wing County by water quality score. Multi-year monitoring data shows water quality is declining based on 5 years of records.