What is the water quality grade for Wildhorse Reservoir?

Wildhorse Reservoir in Elko County, Nevada received a water quality grade of F (Very Poor). Water clarity: 5.9 ft visibility. Phosphorus: 107 µg/L. Chlorophyll-a (algae): 76 µg/L.

Is Wildhorse Reservoir safe to swim in?

Avoid swimming, very poor water quality, potential algae toxins. Wildhorse Reservoir has an overall water quality grade of F. Algae concentration (chlorophyll-a) is 76 µg/L. Always check local health department advisories before swimming.

Elko County, Nevada

Wildhorse Reservoir

Grade FVery Poor · 5.9 ft clarity

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Eutrophic

Wildhorse Reservoir is a productive, nutrient-rich eutrophic lake in Elko County, Nevada. Water quality is graded F based on 2 sampling years through 2022. Compared to the 17 other monitored lakes in Elko County, Wildhorse Reservoir ranks #16 for water quality.

Source: EPA Water Quality Portal sampling records, Nevada DNR, last sampled 2022-09-28. Grade methodology: LakeGrade methodology.

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Swimming Safety

Avoid swimming, very poor water quality, potential algae toxins

Water Quality Grade: F, Very Poor

Murky, only visible to about 5.9 ft. Phosphorus level: 107 µg/L. Chlorophyll-a: 76 µg/L. Trophic State Index: 65.

Metric	Value	Grade
Water Clarity (Secchi Depth)	5.9 ft	C
Phosphorus	107 µg/L	F
Chlorophyll-a (Algae)	76 µg/L	F
Trophic State Index (TSI)	65	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Wildhorse Reservoir

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