What is the cleanest lake in Franklin County, Virginia?

Lower Blackwater River Lake in Franklin County has the cleanest nutrient and algae readings in Franklin County, Virginia, with 12.1 feet of measured water clarity.

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 Franklin County, Virginia

Lower Blackwater River Lake in Franklin County leads the rankings on measured clarity and nutrients and 12.1 ft of clarity. Below are the top 12 cleanest monitored lakes in Franklin County, Virginia, ranked on EPA nutrient and algae measurements.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Lower Blackwater River Lake	Franklin	12.1 ft	10 µg/L	2.3 µg/L
2	Dam Lake	Franklin	12.1 ft	10 µg/L	1.7 µg/L
3	Goose Point Lake	Franklin	10.2 ft	10 µg/L	1.5 µg/L
4	Cool Branch Lake	Franklin	10.5 ft	10 µg/L	2.1 µg/L
5	Mouth of Bull Run Lake	Franklin	10.2 ft	10 µg/L	2.1 µg/L
6	Hardy Ford Lake	Franklin	3 ft	40 µg/L	5.5 µg/L
7	Mcveigh Ford Lake	Franklin	3.9 ft	30 µg/L	0.6 µg/L
8	Middle Blackwater River Lake	Franklin	5.9 ft	20 µg/L	5.6 µg/L
9	Hales Ford Lake	Franklin	4.9 ft	20 µg/L	8.8 µg/L
10	Confl. Indian Cr. Lake	Franklin	4.6 ft	20 µg/L	11.2 µg/L
11	Gills Creek Lake	Franklin	6.2 ft	20 µg/L	4.6 µg/L
12	Upper Blackwater River Lake	Franklin	3 ft	40 µg/L	17.3 µg/L

Ranked List

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