How Clean Is Fish Hook Lake?
Fish Hook 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): 10 ft. Phosphorus: 13 µg/L. Trophic State Index: 43.
Cleanliness Snapshot
| Metric | Fish Hook Lake | Minnesota avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 10 ft | — |
| Phosphorus | 13 µg/L | <30 = clean |
| Trophic State Index | 43 | <50 = clean |
How does Fish Hook Lake compare?
Fish Hook Lake's grade of A matches or beats the Minnesota state average of C. It ranks #47 of 77 lakes in Hubbard County by water quality score. Multi-year monitoring data shows water quality is declining based on 5 years of records.