What is the water quality grade for Lahontan Reservoir?

Lahontan Reservoir in Churchill County, Nevada received a water quality grade of C (Fair). Phosphorus: 190 µg/L. Chlorophyll-a (algae): 2.7 µg/L.

Is Lahontan Reservoir safe to swim in?

Generally safe for swimming, moderate water quality. Lahontan Reservoir has an overall water quality grade of C. Algae concentration (chlorophyll-a) is 2.7 µg/L. Always check local health department advisories before swimming.

Churchill County, Nevada · 39.44°N

Lahontan Reservoir

Grade CFair water quality

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Eutrophic

Lahontan Reservoir is a productive, nutrient-rich eutrophic lake in Churchill County, Nevada. Water quality is graded C based on 2 sampling years through 2013. Compared to the 4 other monitored lakes in Churchill County, Lahontan Reservoir ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, Nevada DNR, last sampled 2013-08-21. 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: 190 µg/L. Chlorophyll-a: 2.7 µg/L. Trophic State Index: 60.

Metric	Value	Grade
Water Clarity (Secchi Depth)	No data
Phosphorus	190 µg/L	F
Chlorophyll-a (Algae)	2.7 µg/L	A
Trophic State Index (TSI)	60	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Lahontan Reservoir

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