How Clean Is Garden Lake?
Garden Lake is among the cleanest lakes in Minnesota. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 5 ft. Phosphorus: 15.5 µg/L. Chlorophyll-a (algae): 4.4 µg/L. Trophic State Index: 48.
Cleanliness Snapshot
| Metric | Garden Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 5 ft | — |
| Phosphorus | 15.5 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 4.4 µg/L | <10 = clean |
| Trophic State Index | 48 | <50 = clean |
How does Garden Lake compare?
Garden Lake's readings match or beat the Minnesota state average. It ranks #2 of 35 lakes in Lake County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.
Watch Garden Lake water quality
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