How Clean Is Garfield Lake?
Garfield Lake is a clean lake by Minnesota standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 9.5 ft. Phosphorus: 17.5 µg/L. Trophic State Index: 45.
Cleanliness Snapshot
| Metric | Garfield Lake | Minnesota avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 9.5 ft | — |
| Phosphorus | 17.5 µg/L | <30 = clean |
| Trophic State Index | 45 | <50 = clean |
How does Garfield Lake compare?
Garfield Lake's grade of B matches or beats the Minnesota state average of C. It ranks #56 of 77 lakes in Hubbard County by water quality score. Multi-year monitoring data shows water quality is improving based on 5 years of records.