What is the cleanest lake in Power County, Idaho?

Bonanza Lake in Power County is the highest-rated lake in Power County, Idaho 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 Power County, Idaho

Bonanza Lake in Power County leads the rankings with a water quality grade of NR. Below are the top 1 cleanest monitored lakes in Power County, Idaho, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Bonanza Lake	Power	NR	-	-	-

Ranked List

More Answers for Power County, Idaho