What is the water quality grade for Lake Farmington Deep?

Lake Farmington Deep in San Juan County, New Mexico received a water quality grade of A (Excellent). Water clarity: 9.8 ft visibility. Chlorophyll-a (algae): 2.4 µg/L.

Is Lake Farmington Deep safe to swim in?

Excellent for swimming, crystal clear water with minimal algae. Lake Farmington Deep has an overall water quality grade of A. Algae concentration (chlorophyll-a) is 2.4 µg/L. Always check local health department advisories before swimming.

San Juan County, New Mexico

Lake Farmington Deep

Grade AExcellent · 9.8 ft clarity

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Limited DataMesotrophic

Lake Farmington Deep is a mesotrophic lake in San Juan County, New Mexico. Water quality is graded A based on 1 sampling years through 2018. Compared to the 6 other monitored lakes in San Juan County, Lake Farmington Deep ranks #4 for water quality.

Source: EPA Water Quality Portal sampling records, New Mexico DNR, last sampled 2018-10-17. 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 9.8 ft. Chlorophyll-a: 2.4 µg/L. Trophic State Index: 42.

Metric	Value	Grade
Water Clarity (Secchi Depth)	9.8 ft	B
Phosphorus	No data
Chlorophyll-a (Algae)	2.4 µg/L	A
Trophic State Index (TSI)	42	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Lake Farmington Deep

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