How Clean Is Forest Lake?
Forest Lake is nutrient-rich, with elevated phosphorus and algae. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 5.1 ft. Phosphorus: 28 µg/L. Chlorophyll-a (algae): 16.5 µg/L. Trophic State Index: 55.
Cleanliness Snapshot
| Metric | Forest Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 5.1 ft | — |
| Phosphorus | 28 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 16.5 µg/L | <10 = clean |
| Trophic State Index | 55 | <50 = clean |
How does Forest Lake compare?
Forest Lake's readings run above the Minnesota state average. It ranks #54 of 75 lakes in Washington County by water quality score.
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