Martins Pond is a mesotrophic lake in Caledonia County, Vermont. Water quality is graded B based on 3 sampling years through 2025. Compared to the 22 other monitored lakes in Caledonia County, Martins Pond ranks #17 for water quality.
Source: EPA Water Quality Portal sampling records, Vermont DNR, last sampled 2025-08-19. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 12.1 ft. Phosphorus level: 19.4 µg/L. Chlorophyll-a: 5.8 µg/L. Trophic State Index: 45.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12.1 ft | B |
| Phosphorus | 19.4 µg/L | A |
| Chlorophyll-a (Algae) | 5.8 µg/L | B |
| Trophic State Index (TSI) | 45 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Martins Pond
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Fishing Martins Pond
Location
County Ranking
Ranked #17 of 23 lakes in Caledonia County
Cleaner Lakes Within 30 Miles
Martins Pond holds Grade B. 5 nearby lakes hold higher grades.
- AFosters PondCaledonia County · 1.5 mi · Higher grade (B → A)
- APeacham PondCaledonia County · 2.8 mi · Higher grade (B → A)
- AOsmore PondCaledonia County · 3.3 mi · Higher grade (B → A)
- AHarveys LakeCaledonia County · 3.8 mi · Higher grade (B → A)
- ALevi PondCaledonia County · 3 mi · Higher grade (B → A)
Nearby Lakes in Caledonia County
Explore Martins Pond 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: 2025-08-19
Monitoring stations: 4