Question 1

Cleanest Lakes in Door County, Wisconsin?

Accepted Answer

Clark Lake in Door County leads the rankings on measured clarity and nutrients and 12.5 ft of clarity. Below are the top 8 cleanest monitored lakes in Door County, Wisconsin, ranked on EPA nutrient and algae measurements.

Question 2

What is the cleanest lake in Door County, Wisconsin?

Accepted Answer

Clark Lake in Door County has the cleanest nutrient and algae readings in Door County, Wisconsin, with 12.5 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	Clark Lake	Door	12.5 ft	10.5 µg/L	-
2	Kangaroo Lake	Door	8.8 ft	13.2 µg/L	-
3	Big Marsh	Door	-	-	-
4	Little Lake	Door	-	-	-
5	Mud Lake	Door	-	-	-
6	Lost Lake	Door	-	-	-
7	Mackaysee Lake	Door	-	-	-
8	Schwartz Lake	Door	-	-	-

Cleanest Lakes in Door County, Wisconsin

Ranked List

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