Addison County Lake Quality

Vermont, 13 lakes, average grade B (Good)

Only 13 lakes in Addison County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. With an average grade of B, Addison County sits comfortably above the {{stateName}} median.

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 Lake Dunmore (A); the most-stressed is Jerome Lake (F).

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Quick Answers for Addison County

Cleanest lakes in Addison County →Cleanest lakes in Vermont →Safest swimming lakes in Vermont →

Planning a trip? Check special fishing regulations for Lake Dunmore — or check the official Vermont fishing regulations.

All Lakes in Addison County

Rank	Lake	Grade	Clarity	Phosphorus
1	Lake Dunmore	A	16.4 ft	10.9 µg/L
2	Cedar Lake	A	-	12.6 µg/L
3	Fern Lake	A	20.7 ft	19 µg/L
4	L. Champlain Lake	A	-	26.1 µg/L
5	Spruce Pond	B	9 ft	16.1 µg/L
6	Port Henry Section Lake	B	10.8 ft	10 µg/L
7	Vergennes Watershed Lake	B	8.5 ft	19.7 µg/L
8	Silver Lake	B	8.2 ft	6.9 µg/L
9	Sugar Hill Reservoir	B	8.5 ft	12.9 µg/L
10	Otter Creek Section Lake	B	9.8 ft	11.4 µg/L
11	Winona Lake	B	-	27.1 µg/L
12	Richville Pond	C	1.3 ft	72.2 µg/L
13	Jerome Lake	F	-	97.6 µg/L