What is the cleanest lake in Las Animas County, Colorado?

South Canyon Lake in Las Animas County is the highest-rated lake in Las Animas County, Colorado 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 Las Animas County, Colorado

South Canyon Lake in Las Animas County leads the rankings with a water quality grade of NR. Below are the top 11 cleanest monitored lakes in Las Animas County, Colorado, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	South Canyon Lake	Las Animas	NR	-	-	-
2	Dupont Lake	Las Animas	NR	-	-	-
3	Freeburrow Lake	Las Animas	NR	-	-	-
4	Seven Lakes Reservoir	Las Animas	NR	-	-	-
5	Gyurman Reservoir	Las Animas	NR	-	-	-
6	Hermosa Valley Reservoir	Las Animas	NR	-	-	-
7	Gagliardi Reservoir	Las Animas	NR	-	-	-
8	Model Reservoir	Las Animas	NR	-	-	-
9	Johns Lake	Las Animas	NR	-	-	-
10	Monument Lake	Las Animas	NR	-	-	-
11	North Lake	Las Animas	NR	-	-	-

Ranked List

More Answers for Las Animas County, Colorado