Question 1

Cleanest Lakes in Lafayette County, Wisconsin?

Accepted Answer

Hidden Valley Lake in Lafayette County leads the rankings on measured clarity and nutrients and 5.2 ft of clarity. Below are the top 2 cleanest monitored lakes in Lafayette County, Wisconsin, ranked on EPA nutrient and algae measurements.

Question 2

What is the cleanest lake in Lafayette County, Wisconsin?

Accepted Answer

Hidden Valley Lake in Lafayette County has the cleanest nutrient and algae readings in Lafayette County, Wisconsin, with 5.2 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.

#	Lake	County	Clarity	Phosphorus	Algae
1	Hidden Valley Lake	Lafayette	5.2 ft	44.7 µg/L	-
2	Yellowstone Lake	Lafayette	1.3 ft	156 µg/L	-

Cleanest Lakes in Lafayette County, Wisconsin

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