What is the water quality grade for Grapevine Lake?

Grapevine Lake in Tarrant County, Texas received a water quality grade of C (Fair). Water clarity: 2.4 ft visibility. Phosphorus: 48 µg/L. Chlorophyll-a (algae): 18.5 µg/L.

Is Grapevine Lake safe to swim in?

Swim with caution, moderate algae may be present. Grapevine Lake has an overall water quality grade of C. Algae concentration (chlorophyll-a) is 18.5 µg/L. Always check local health department advisories before swimming.

Tarrant County, Texas

Grapevine Lake

Grade CFair · 2.4 ft clarity

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Eutrophic

Grapevine Lake is a productive, nutrient-rich eutrophic lake in Tarrant County, Texas. Water quality is graded C based on 2 sampling years through 2024. Compared to the 2 other monitored lakes in Tarrant County, Grapevine Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, Texas DNR, last sampled 2024-02-29. Grade methodology: LakeGrade methodology.

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Swimming Safety

Swim with caution, moderate algae may be present

Water Quality Grade: C, Fair

Very murky, less than 2.4 ft of visibility. Phosphorus level: 48 µg/L. Chlorophyll-a: 18.5 µg/L. Trophic State Index: 61.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2.4 ft	F
Phosphorus	48 µg/L	C
Chlorophyll-a (Algae)	18.5 µg/L	C
Trophic State Index (TSI)	61	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Grapevine Lake

Compare lakeside cabins, hotels, and vacation rentals near Grapevine Lake in Tarrant County, Texas — 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.

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