What is the cleanest lake in Howard County, Indiana?

Kokomo Reservoir Number One in Howard County is the highest-rated lake in Howard County, Indiana with an EPA water quality grade of NR.

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 Howard County, Indiana

Kokomo Reservoir Number One in Howard County leads the rankings with a water quality grade of NR. Below are the top 1 cleanest monitored lakes in Howard County, Indiana, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Kokomo Reservoir Number One	Howard	NR	-	-	-

Ranked List

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