Question 1

Cleanest Lakes in Grand Isle County, Vermont?

Accepted Answer

Isle la Motte Lake in Grand Isle County leads the rankings on measured clarity and nutrients and 15.1 ft of clarity. Below are the top 1 cleanest monitored lakes in Grand Isle County, Vermont, ranked on EPA nutrient and algae measurements.

Question 2

What is the cleanest lake in Grand Isle County, Vermont?

Accepted Answer

Isle la Motte Lake in Grand Isle County has the cleanest nutrient and algae readings in Grand Isle County, Vermont, with 15.1 feet of measured water clarity.

Question 3

How are these rankings calculated?

Accepted Answer

Nutrients and algae, total phosphorus, nitrogen, chlorophyll-a and turbidity, are read against EPA National Lakes Assessment 2022 condition classes for that lake’s ecoregion. Water clarity (Secchi depth) is measured and shown separately. Lakes without enough recent samples are listed without a condition class rather than ranked low. Source data comes from the EPA Water Quality Portal.

Cleanest Lakes in Grand Isle County, Vermont

Ranked List

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