What is the water quality grade for Lake: Barnes Lake?

Lake: Barnes Lake in Thurston County, Washington received a water quality grade of B (Good). Phosphorus: 27 µg/L. Chlorophyll-a (algae): 11.6 µg/L.

Is Lake: Barnes Lake safe to swim in?

Good for swimming, clear water with low algae levels. Lake: Barnes Lake has an overall water quality grade of B. Algae concentration (chlorophyll-a) is 11.6 µg/L. Always check local health department advisories before swimming.

Thurston County, Washington

Lake: Barnes Lake

Grade BGood water quality

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Eutrophic

Lake: Barnes Lake is a productive, nutrient-rich eutrophic lake in Thurston County, Washington. Water quality is graded B based on 2 sampling years through 2013. Compared to the 18 other monitored lakes in Thurston County, Lake: Barnes Lake ranks #15 for water quality.

Source: EPA Water Quality Portal sampling records, Washington DNR, last sampled 2013-10-15. Grade methodology: LakeGrade methodology.

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

No clarity data. Phosphorus level: 27 µg/L. Chlorophyll-a: 11.6 µg/L. Trophic State Index: 53.

Metric	Value	Grade
Water Clarity (Secchi Depth)	No data
Phosphorus	27 µg/L	B
Chlorophyll-a (Algae)	11.6 µg/L	C
Trophic State Index (TSI)	53	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Lake: Barnes Lake

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