Question 1

Cleanest Lakes in Logan County, Ohio?

Accepted Answer

Black Lake in Logan County leads the rankings on measured clarity and nutrients. Below are the top 3 cleanest monitored lakes in Logan County, Ohio, ranked on EPA nutrient and algae measurements.

Question 2

What is the cleanest lake in Logan County, Ohio?

Accepted Answer

Black Lake in Logan County has the cleanest nutrient and algae readings in Logan County, Ohio.

Question 3

How are these rankings calculated?

Accepted Answer

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 Logan County, Ohio

Ranked List

More Answers for Logan County, Ohio