What is the water quality grade for Shelburne Bay Lake?

Shelburne Bay Lake in Chittenden County, Vermont received a water quality grade of A (Excellent). Water clarity: 14.1 ft visibility. Phosphorus: 9.1 µg/L. Chlorophyll-a (algae): 4.8 µg/L.

Is Shelburne Bay Lake safe to swim in?

Excellent for swimming, crystal clear water with minimal algae. Shelburne Bay Lake has an overall water quality grade of A. Algae concentration (chlorophyll-a) is 4.8 µg/L. Always check local health department advisories before swimming.

Chittenden County, Vermont

Shelburne Bay Lake

Grade AExcellent · 14.1 ft clarity

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Mesotrophic

Shelburne Bay Lake is a mesotrophic lake in Chittenden County, Vermont. Water quality is graded A based on 3 sampling years through 2024. Compared to the 7 other monitored lakes in Chittenden County, Shelburne Bay Lake ranks #3 for water quality.

Source: EPA Water Quality Portal sampling records, Vermont DNR, last sampled 2024-10-18. Grade methodology: LakeGrade methodology.

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Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Good clarity, visible to about 14.1 ft. Phosphorus level: 9.1 µg/L. Chlorophyll-a: 4.8 µg/L. Trophic State Index: 40.

Metric	Value	Grade
Water Clarity (Secchi Depth)	14.1 ft	B
Phosphorus	9.1 µg/L	A
Chlorophyll-a (Algae)	4.8 µg/L	A
Trophic State Index (TSI)	40	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Shelburne Bay Lake

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