Sunset Lake is a mesotrophic lake in Orange County, Vermont. Water quality is graded A based on 2 sampling years through 2025. Compared to the 8 other monitored lakes in Orange County, Sunset Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Vermont DNR, last sampled 2025-08-13. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
No clarity data. Phosphorus level: 13.6 µg/L. Chlorophyll-a: 2.6 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 13.6 µg/L | A |
| Chlorophyll-a (Algae) | 2.6 µg/L | A |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Sunset Lake
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Fishing Sunset Lake
Location
County Ranking
Ranked #3 of 9 lakes in Orange County
Nearby Lakes in Orange County
Explore Sunset Lake across LakeGrade
More Vermont Lake Rankings
Other Grade A 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: 2025-08-13
Monitoring stations: 1