What is the cleanest lake in St. Francis County, Arkansas?

Kiethley Lake in St. Francis County has the cleanest nutrient and algae readings in St. Francis County, Arkansas.

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 separately. Lakes without enough recent samples are listed without a condition class rather than ranked low. Source data comes from the EPA Water Quality Portal.

Cleanest Lakes in St. Francis County, Arkansas

Kiethley Lake in St. Francis County leads the rankings on measured clarity and nutrients. Below are the top 15 cleanest monitored lakes in St. Francis County, Arkansas, ranked on EPA nutrient and algae measurements.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Kiethley Lake	St. Francis	-	-	-
2	Beaty Lake	St. Francis	-	-	-
3	Lake Saint Francis	St. Francis	-	-	-
4	Horseshoe Lake	St. Francis	-	-	-
5	Nichols Lake	St. Francis	-	-	-
6	Shell Lake	St. Francis	-	-	-
7	Blackfish Lake	St. Francis	-	-	-
8	Big Lake	St. Francis	-	-	-
9	Horseshoe Lake	St. Francis	-	-	-
10	Island Lake	St. Francis	-	-	-
11	Long Lake	St. Francis	-	-	-
12	Brushy Lake	St. Francis	-	-	-
13	Old River	St. Francis	-	-	-
14	Millseed Lake	St. Francis	-	-	-
15	Mud Lake	St. Francis	-	-	-

Ranked List

More Answers for St. Francis County, Arkansas