What is the cleanest lake in Wilson County, North Carolina?

Wiggins Mill Reservoir in Wilson County is the highest-rated lake in Wilson County, North Carolina with an EPA water quality grade of D and 2.6 feet of water clarity.

How are these rankings calculated?

Lakes are graded A through F on nutrients and algae — total phosphorus, nitrogen, chlorophyll-a, and turbidity — against EPA National Lakes Assessment 2022 condition classes for that lake’s ecoregion. Water clarity (Secchi depth) is measured and shown; it is not the letter. Lakes without enough recent samples are UNRATED, not given an F. Source data comes from the EPA Water Quality Portal.

Cleanest Lakes in Wilson County, North Carolina

Wiggins Mill Reservoir in Wilson County leads the rankings with a water quality grade of D and 2.6 ft of clarity. Below are the top 5 cleanest monitored lakes in Wilson County, North Carolina, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Wiggins Mill Reservoir	Wilson	D	2.6 ft	60 µg/L	29 µg/L
2	Toisnot Reservoir	Wilson	D	2.3 ft	90 µg/L	18 µg/L
3	Buckhorn Reservoir	Wilson	F	2.3 ft	50 µg/L	31 µg/L
4	Lake Wilson	Wilson	F	2.1 ft	100 µg/L	43.5 µg/L
5	Silver Lake	Wilson	NR	-	-	-

Ranked List

More Answers for Wilson County, North Carolina