What is the cleanest lake in Oglala Lakota County, South Dakota?

Oglala Lake in Oglala Lakota County is the cleanest lake on the readings in Oglala Lakota County, South Dakota with an EPA water-quality readings of —.

How are these rankings calculated?

Nutrients and algae, total phosphorus, nitrogen, chlorophyll-a and turbidity, are read 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 Oglala Lakota County, South Dakota

Oglala Lake in Oglala Lakota County leads the rankings on measured clarity and nutrients. Below are the top 5 cleanest monitored lakes in Oglala Lakota County, South Dakota, ranked by EPA water quality score.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Oglala Lake	Oglala Lakota	—	-	-	-
2	Lee Lake	Oglala Lakota	—	-	-	-
3	Wakpamani Lake	Oglala Lakota	—	-	-	-
4	Two Lance Lake	Oglala Lakota	—	-	-	-
5	Alkali Lake	Oglala Lakota	—	-	-	-

Ranked List

More Answers for Oglala Lakota County, South Dakota