What is the water quality grade for Fenton Lake?

Fenton Lake in Sandoval County, New Mexico received a water quality grade of A (Excellent). Water clarity: 7.9 ft visibility. Phosphorus: 14 µg/L. Chlorophyll-a (algae): 5.4 µg/L.

Is Fenton Lake safe to swim in?

Excellent for swimming, crystal clear water with minimal algae. Fenton Lake has an overall water quality grade of A. Algae concentration (chlorophyll-a) is 5.4 µg/L. Always check local health department advisories before swimming.

Sandoval County, New Mexico

Fenton Lake

Grade AExcellent · 7.9 ft clarity

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Mesotrophic

Fenton Lake is a mesotrophic lake in Sandoval County, New Mexico. Water quality is graded A based on 2 sampling years through 2022. Compared to the 2 other monitored lakes in Sandoval County, Fenton Lake ranks #1 for water quality.

Source: EPA Water Quality Portal sampling records, New Mexico DNR, last sampled 2022-04-07. Grade methodology: LakeGrade methodology.

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Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Moderate clarity, visible to about 7.9 ft. Phosphorus level: 14 µg/L. Chlorophyll-a: 5.4 µg/L. Trophic State Index: 46.

Metric	Value	Grade
Water Clarity (Secchi Depth)	7.9 ft	C
Phosphorus	14 µg/L	A
Chlorophyll-a (Algae)	5.4 µg/L	B
Trophic State Index (TSI)	46	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Fenton Lake

Compare lakeside cabins, hotels, and vacation rentals near Fenton Lake in Sandoval County, New Mexico — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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