How Clean Is Maple Lake?
Maple Lake is among the cleanest lakes in Minnesota. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 14.1 ft. Phosphorus: 15 µg/L. Chlorophyll-a (algae): 3.1 µg/L. Trophic State Index: 41.
Cleanliness Snapshot
| Metric | Maple Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 14.1 ft | — |
| Phosphorus | 15 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 3.1 µg/L | <10 = clean |
| Trophic State Index | 41 | <50 = clean |
How does Maple Lake compare?
Maple Lake's readings match or beat the Minnesota state average. It ranks #3 of 37 lakes in Douglas County by water quality score. Multi-year monitoring data shows water quality is improving based on 6 years of records.
Watch Maple Lake water quality
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