What is the cleanest lake in Lincoln County, Missouri?

Lincoln Lake in Lincoln County is the highest-rated lake in Lincoln County, Missouri with an EPA water quality grade of A and 5.7 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 Lincoln County, Missouri

Lincoln Lake in Lincoln County leads the rankings with a water quality grade of A and 5.7 ft of clarity. Below are the top 7 cleanest monitored lakes in Lincoln County, Missouri, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Lincoln Lake	Lincoln	A	5.7 ft	12.7 µg/L	3.6 µg/L
2	Whiteside Lake	Lincoln	C	3.3 ft	26 µg/L	14.7 µg/L
3	Tremell Slough	Lincoln	NR	-	-	-
4	Kings Lake	Lincoln	NR	-	-	-
5	Horseshoe Lake	Lincoln	NR	-	-	-
6	Dogfish Slough	Lincoln	NR	-	-	-
7	Horseshoe Lake	Lincoln	NR	-	-	-

Ranked List

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