What is the water quality grade for American Falls R-Little Hole Draw Lake?

American Falls R-Little Hole Draw Lake in Power County, Idaho received a water quality grade of C (Fair). Phosphorus: 61 µg/L. Chlorophyll-a (algae): 13.1 µg/L.

Is American Falls R-Little Hole Draw Lake safe to swim in?

Generally safe for swimming, moderate water quality. American Falls R-Little Hole Draw Lake has an overall water quality grade of C. Algae concentration (chlorophyll-a) is 13.1 µg/L. Always check local health department advisories before swimming.

Power County, Idaho

American Falls R-Little Hole Draw Lake

Grade CFair water quality

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Eutrophic

American Falls R-Little Hole Draw Lake is a productive, nutrient-rich eutrophic lake in Power County, Idaho. Water quality is graded C based on 2 sampling years through 2017. Compared to the 5 other monitored lakes in Power County, American Falls R-Little Hole Draw Lake ranks #6 for water quality.

Source: EPA Water Quality Portal sampling records, Idaho DNR, last sampled 2017-09-27. Grade methodology: LakeGrade methodology.

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

No clarity data. Phosphorus level: 61 µg/L. Chlorophyll-a: 13.1 µg/L. Trophic State Index: 60.

Metric	Value	Grade
Water Clarity (Secchi Depth)	No data
Phosphorus	61 µg/L	D
Chlorophyll-a (Algae)	13.1 µg/L	C
Trophic State Index (TSI)	60	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near American Falls R-Little Hole Draw Lake

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