What is the cleanest lake in Laramie County, Wyoming?

Pole Creek Reservoir in Laramie County is the highest-rated lake in Laramie County, Wyoming 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 Laramie County, Wyoming

Pole Creek Reservoir in Laramie County leads the rankings with a water quality grade of NR. Below are the top 5 cleanest monitored lakes in Laramie County, Wyoming, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Pole Creek Reservoir	Laramie	NR	-	-	-
2	Polaris Reservoir	Laramie	NR	-	-	-
3	Valley Reservoir	Laramie	NR	-	-	-
4	Swan Reservoir	Laramie	NR	-	-	-
5	Wyoming Hereford Ranch Reservoir Number One	Laramie	NR	-	-	-

Ranked List

More Answers for Laramie County, Wyoming