What is the cleanest lake in Lander County, Nevada?

Iowa Canyon Reservoir in Lander County is the highest-rated lake in Lander County, Nevada 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 Lander County, Nevada

Iowa Canyon Reservoir in Lander County leads the rankings with a water quality grade of NR. Below are the top 2 cleanest monitored lakes in Lander County, Nevada, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Iowa Canyon Reservoir	Lander	NR	-	-	-
2	Smith Creek Reservoir	Lander	NR	-	-	-

Ranked List

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