What is the water quality grade for Fontenelle Reservoir?

Fontenelle Reservoir in Lincoln County, Wyoming received a water quality grade of C (Fair). Water clarity: 3.6 ft visibility. Phosphorus: 30 µg/L.

Is Fontenelle Reservoir safe to swim in?

Generally safe for swimming, moderate water quality. Fontenelle Reservoir has an overall water quality grade of C. Always check local health department advisories before swimming.

Lincoln County, Wyoming · 42.14°N

Fontenelle Reservoir

Grade CFair · 3.6 ft clarity

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Eutrophic

Fontenelle Reservoir is a productive, nutrient-rich eutrophic lake in Lincoln County, Wyoming. Water quality is graded C based on 2 sampling years through 2015. Compared to the 14 other monitored lakes in Lincoln County, Fontenelle Reservoir ranks #14 for water quality.

Source: EPA Water Quality Portal sampling records, Wyoming DNR, last sampled 2015-09-14. Grade methodology: LakeGrade methodology.

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Murky, only visible to about 3.6 ft. Phosphorus level: 30 µg/L. Trophic State Index: 56.

Metric	Value	Grade
Water Clarity (Secchi Depth)	3.6 ft	D
Phosphorus	30 µg/L	C
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	56	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Fontenelle Reservoir

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