What is the cleanest lake in Nodaway County, Missouri?

Bilby Ranch Lake in Nodaway County is the highest-rated lake in Nodaway County, Missouri with an EPA water quality grade of D and 2.4 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 Nodaway County, Missouri

Bilby Ranch Lake in Nodaway County leads the rankings with a water quality grade of D and 2.4 ft of clarity. Below are the top 2 cleanest monitored lakes in Nodaway County, Missouri, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Bilby Ranch Lake	Nodaway	D	2.4 ft	51.7 µg/L	24.1 µg/L
2	Nodaway Lake	Nodaway	F	2.1 ft	57 µg/L	34.8 µg/L

Ranked List

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