Forest Lake is a mesotrophic lake in Essex County, Vermont. Water quality is graded B based on 3 sampling years through 2022. Compared to the 18 other monitored lakes in Essex County, Forest Lake ranks #19 for water quality.
Source: EPA Water Quality Portal sampling records, Vermont DNR, last sampled 2022-08-30. Grade methodology: LakeGrade methodology.
Watch Forest Lake water quality
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 4.1 ft. Phosphorus level: 16.8 µg/L. Chlorophyll-a: 5.3 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.1 ft | D |
| Phosphorus | 16.8 µg/L | A |
| Chlorophyll-a (Algae) | 5.3 µg/L | B |
| Trophic State Index (TSI) | 50 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Forest Lake
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Fishing Forest Lake
Location
County Ranking
Ranked #19 of 19 lakes in Essex County
Cleaner Lakes Within 30 Miles
Forest Lake holds Grade B. 5 nearby lakes hold higher grades.
- ALittle Averill PondEssex County · 2.7 mi · Higher grade (B → A)
- ALewis PondEssex County · 8.5 mi · Higher grade (B → A)
- AUnknown PondEssex County · 9.5 mi · Higher grade (B → A)
- AGreat Averill PondEssex County · 0.9 mi · Higher grade (B → A)
- ARound PondOrleans County · 12 mi · Higher grade (B → A)
Nearby Lakes in Essex County
Explore Forest Lake across LakeGrade
More Vermont Lake Rankings
Other Grade B Lakes in Vermont
Mesotrophic Lakes in Vermont
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2022-08-30
Monitoring stations: 3