What is the cleanest lake in Boone County, Missouri?

Finger Lakes in Boone County is the highest-rated lake in Boone County, Missouri with an EPA water quality grade of A and 7.9 feet of water clarity.

How are these rankings calculated?

Lakes are graded A through F on nutrients and algae — total phosphorus, nitrogen, chlorophyll-a, and turbidity — against EPA National Lakes Assessment 2022 condition classes for that lake’s ecoregion. Water clarity (Secchi depth) is measured and shown; it is not the letter. Lakes without enough recent samples are UNRATED, not given an F. Source data comes from the EPA Water Quality Portal.

Cleanest Lakes in Boone County, Missouri

Finger Lakes in Boone County leads the rankings with a water quality grade of A and 7.9 ft of clarity. Below are the top 12 cleanest monitored lakes in Boone County, Missouri, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Finger Lakes	Boone	A	7.9 ft	16.5 µg/L	6.1 µg/L
2	Phillips Lake	Boone	B	2.8 ft	35.5 µg/L	8.8 µg/L
3	Bethel Lake	Boone	B	2.2 ft	32.7 µg/L	9.5 µg/L
4	Mckee Pond	Boone	C	3.3 ft	56 µg/L	18.1 µg/L
5	Tri City Lake	Boone	D	-	76 µg/L	24.7 µg/L
6	Ashland Lake	Boone	F	1.9 ft	92.2 µg/L	43.6 µg/L
7	Rocky Fork Lake	Boone	F	2.3 ft	73.8 µg/L	38.1 µg/L
8	Cedar Lake	Boone	F	2.1 ft	98 µg/L	30.8 µg/L
9	Lake Champetra	Boone	NR	-	-	-
10	Lake Caroline	Boone	NR	-	-	-
11	Bo Co Mo Lake	Boone	NR	-	-	-
12	Silver Creek Lake	Boone	NR	-	-	-

Ranked List

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