What is the water quality grade for Watauga River Lake?

Watauga River Lake in Washington County, Tennessee received a water quality grade of C (Fair). Phosphorus: 34.2 µg/L.

Is Watauga River Lake safe to swim in?

Generally safe for swimming, moderate water quality. Watauga River Lake has an overall water quality grade of C. Always check local health department advisories before swimming.

Washington County, Tennessee

Watauga River Lake

Grade CFair water quality

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Limited DataEutrophic

Watauga River Lake is a productive, nutrient-rich eutrophic lake in Washington County, Tennessee. Water quality is graded C based on 1 sampling years through 2022.

Source: EPA Water Quality Portal sampling records, Tennessee DNR, last sampled 2022-06-08. Grade methodology: LakeGrade methodology.

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

No clarity data. Phosphorus level: 34.2 µg/L. Trophic State Index: 55.

Metric	Value	Grade
Water Clarity (Secchi Depth)	No data
Phosphorus	34.2 µg/L	C
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	55	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Watauga River Lake

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