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Caledonia County Lake Quality

Vermont, 23 lakes, average grade A (Excellent)

There are 23 graded lakes in Caledonia County. The mix is varied enough that the county-level average tells you the broad strokes, not the choose-this-cabin specifics. On average, Caledonia County lakes grade an A. That puts it near the top of the {{stateName}} county ranking.

The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Peacham Pond (A); the most-stressed is Stannard Pond (B).

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All Lakes in Caledonia County

RankLakeGradeClarityPhosphorus
1Peacham PondA15.6 ft10.5 µg/L
2Harveys LakeA21 ft8.4 µg/L
3Newark PondA20.4 ft10.3 µg/L
4Fosters PondA-13.2 µg/L
5Flagg PondA-12 µg/L
6Osmore PondA-18 µg/L
7Bean PondA-10.6 µg/L
8Lake GrotonA13.1 ft11.3 µg/L
9Coles PondA11.8 ft8.8 µg/L
10Long PondA13 ft10.7 µg/L
11Joes PondA13.5 ft11.5 µg/L
12Round PondA13.1 ft13.4 µg/L
13Keiser PondA12.8 ft10.2 µg/L
14Marl PondA13.1 ft12 µg/L
15Levi PondA12.5 ft8.6 µg/L
16Ticklenaked PondB8.5 ft14 µg/L
17Martins PondB12.1 ft19.4 µg/L
18Blake PondB13 ft13 µg/L
19Vail PondB13.5 ft18.3 µg/L
20Ricker PondB9.2 ft8.4 µg/L
21Ewell PondB13 ft18.8 µg/L
22Lyford PondB9.2 ft13.3 µg/L
23Stannard PondB5.7 ft13.4 µg/L

See how Caledonia County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 17 states.

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Source: EPA National Aquatic Resource Surveys, 2026.