What is the cleanest lake in Brown County, Indiana?

Cordry Lake in Brown County has the cleanest nutrient and algae readings in Brown County, Indiana.

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 Brown County, Indiana

Cordry Lake in Brown County leads the rankings on measured clarity and nutrients. Below are the top 7 cleanest monitored lakes in Brown County, Indiana, ranked on EPA nutrient and algae measurements.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Cordry Lake	Brown	-	19.5 µg/L	1.5 µg/L
2	Lake LaSalle	Brown	-	-	-
3	Shady Oaks Lake	Brown	-	-	-
4	Gallahue Lake	Brown	-	-	-
5	Edward Lewis Lake Dam	Brown	-	-	-
6	Green Lake	Brown	-	-	-
7	Tousley Lake	Brown	-	-	-

Ranked List

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