What is the water quality grade for Lake Runnemede?

Lake Runnemede in Windsor County, Vermont received a water quality grade of B (Good). Water clarity: 8.2 ft visibility. Phosphorus: 22.9 µg/L. Chlorophyll-a (algae): 4.2 µg/L.

Is Lake Runnemede safe to swim in?

Good for swimming, clear water with low algae levels. Lake Runnemede has an overall water quality grade of B. Algae concentration (chlorophyll-a) is 4.2 µg/L. Always check local health department advisories before swimming.

Windsor County, Vermont

Lake Runnemede

Grade BGood · 8.2 ft clarity

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Mesotrophic

Lake Runnemede is a mesotrophic lake in Windsor County, Vermont. Water quality is graded B based on 3 sampling years through 2025. Compared to the 20 other monitored lakes in Windsor County, Lake Runnemede ranks #17 for water quality.

Source: EPA Water Quality Portal sampling records, Vermont DNR, last sampled 2025-08-13. Grade methodology: LakeGrade methodology.

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Swimming Safety

Good for swimming, clear water with low algae levels

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Water Quality Grade: B, Good

Moderate clarity, visible to about 8.2 ft. Phosphorus level: 22.9 µg/L. Chlorophyll-a: 4.2 µg/L. Trophic State Index: 47.

Metric	Value	Grade
Water Clarity (Secchi Depth)	8.2 ft	C
Phosphorus	22.9 µg/L	B
Chlorophyll-a (Algae)	4.2 µg/L	A
Trophic State Index (TSI)	47	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Lake Runnemede

Compare lakeside cabins, hotels, and vacation rentals near Lake Runnemede in Windsor County, Vermont — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Lake Runnemede