Question 1

Cleanest Lakes in Waupaca County, Wisconsin?

Accepted Answer

Beasley Lake in Waupaca County leads the rankings with a water quality grade of A and 18.4 ft of clarity. Below are the top 21 cleanest monitored lakes in Waupaca County, Wisconsin, ranked by EPA water quality score.

Question 2

What is the cleanest lake in Waupaca County, Wisconsin?

Accepted Answer

Beasley Lake in Waupaca County is the highest-rated lake in Waupaca County, Wisconsin with an EPA water quality grade of A and 18.4 feet of water clarity.

Question 3

How are these rankings calculated?

Accepted Answer

Lakes are graded A through F using the Metropolitan Council methodology, which combines Secchi depth (water clarity), total phosphorus, and chlorophyll-a (algae) into a single score. Source data comes from the EPA Water Quality Portal.

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Beasley Lake	Waupaca	A	18.4 ft	15.1 µg/L	-
2	Pope Lake	Waupaca	A	16 ft	15.6 µg/L	-
3	Mirror Lake	Waupaca	A	13 ft	14.6 µg/L	-
4	Marl Lake	Waupaca	A	13.6 ft	9.9 µg/L	-
5	Bear Lake	Waupaca	A	11 ft	18 µg/L	-
6	Long Lake	Waupaca	A	13 ft	12.4 µg/L	-
7	North Lake	Waupaca	A	12.5 ft	15.8 µg/L	-
8	Shadow Lake	Waupaca	A	12 ft	11.9 µg/L	-
9	Stratton Lake	Waupaca	A	13 ft	13.9 µg/L	-
10	Columbia Lake	Waupaca	A	11 ft	12.2 µg/L	-
11	Iola Lake	Waupaca	A	10 ft	16.4 µg/L	-
12	Nutrient Sampling Point Lake	Waupaca	A	14.5 ft	16.9 µg/L	-
13	Taylor Lake	Waupaca	A	10 ft	12.3 µg/L	-
14	Silver Lake	Waupaca	B	7 ft	18.5 µg/L	-
15	Spencer Lake	Waupaca	B	8.5 ft	11.2 µg/L	-
16	Hatch Lake	Waupaca	B	8.4 ft	19.2 µg/L	-
17	Youngs Lake Waupaca Co	Waupaca	B	10.2 ft	22.3 µg/L	-
18	Otter Lake	Waupaca	B	8 ft	17.8 µg/L	-
19	White Lake	Waupaca	C	5.6 ft	22 µg/L	-
20	School Section Lake	Waupaca	C	6.5 ft	23.9 µg/L	-
21	Pigeon Lake	Waupaca	D	2.4 ft	73.1 µg/L	-

Cleanest Lakes in Waupaca County, Wisconsin

Ranked List

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