What is the water quality grade for Fontenelle Reservoir?

Fontenelle Reservoir in Lincoln County, Wyoming received a water quality grade of A (Excellent). Water clarity: 13.3 ft visibility. Chlorophyll-a (algae): 2.9 µg/L.

Is Fontenelle Reservoir safe to swim in?

Excellent for swimming, crystal clear water with minimal algae. Fontenelle Reservoir has an overall water quality grade of A. Algae concentration (chlorophyll-a) is 2.9 µg/L. Always check local health department advisories before swimming.

Lincoln County, Wyoming · 42.03°N

Fontenelle Reservoir

Grade AExcellent · 13.3 ft clarity

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Mesotrophic

Fontenelle Reservoir is a mesotrophic lake in Lincoln County, Wyoming. Water quality is graded A based on 2 sampling years through 2016. Compared to the 14 other monitored lakes in Lincoln County, Fontenelle Reservoir ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, Wyoming DNR, last sampled 2016-07-05. Grade methodology: LakeGrade methodology.

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Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Good clarity, visible to about 13.3 ft. Chlorophyll-a: 2.9 µg/L. Trophic State Index: 40.

Metric	Value	Grade
Water Clarity (Secchi Depth)	13.3 ft	B
Phosphorus	No data
Chlorophyll-a (Algae)	2.9 µg/L	A
Trophic State Index (TSI)	40	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Fontenelle Reservoir

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