What is the water quality grade for Twin Buttes Reserv Lake?

Twin Buttes Reserv Lake in Tom Green County, Texas received a water quality grade of C (Fair). Water clarity: 3.6 ft visibility. Chlorophyll-a (algae): 18 µg/L.

Is Twin Buttes Reserv Lake safe to swim in?

Swim with caution, moderate algae may be present. Twin Buttes Reserv Lake has an overall water quality grade of C. Algae concentration (chlorophyll-a) is 18 µg/L. Always check local health department advisories before swimming.

Tom Green County, Texas

Twin Buttes Reserv Lake

Grade CFair · 3.6 ft clarity

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Limited DataEutrophic

Twin Buttes Reserv Lake is a productive, nutrient-rich eutrophic lake in Tom Green County, Texas. Water quality is graded C based on 1 sampling years through 2022. Compared to the 5 other monitored lakes in Tom Green County, Twin Buttes Reserv Lake ranks #1 for water quality.

Source: EPA Water Quality Portal sampling records, Texas DNR, last sampled 2022-05-31. Grade methodology: LakeGrade methodology.

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Swimming Safety

Swim with caution, moderate algae may be present

Water Quality Grade: C, Fair

Murky, only visible to about 3.6 ft. Chlorophyll-a: 18 µg/L. Trophic State Index: 59.

Metric	Value	Grade
Water Clarity (Secchi Depth)	3.6 ft	D
Phosphorus	No data
Chlorophyll-a (Algae)	18 µg/L	C
Trophic State Index (TSI)	59	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Twin Buttes Reserv Lake

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