Question 1

Cleanest Lakes in Denton County, Texas?

Accepted Answer

Lewisville Lake in Denton County leads the rankings on measured clarity and nutrients and 1.8 ft of clarity. Below are the top 2 cleanest monitored lakes in Denton County, Texas, ranked on EPA nutrient and algae measurements.

Question 2

What is the cleanest lake in Denton County, Texas?

Accepted Answer

Lewisville Lake in Denton County has the cleanest nutrient and algae readings in Denton County, Texas, with 1.8 feet of measured water clarity.

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.

#	Lake	County	Clarity	Phosphorus	Algae
1	Lewisville Lake	Denton	1.8 ft	43 µg/L	26.8 µg/L
2	Ray Roberts Lake Site	Denton	3.9 ft	20.1 µg/L	15.6 µg/L

Cleanest Lakes in Denton County, Texas

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