What is the water quality grade for Conchas Reservoir?

Conchas Reservoir in San Miguel County, New Mexico received a water quality grade of A (Excellent). Water clarity: 8.9 ft visibility. Chlorophyll-a (algae): 2.2 µg/L.

Is Conchas Reservoir safe to swim in?

Excellent for swimming, crystal clear water with minimal algae. Conchas Reservoir has an overall water quality grade of A. Algae concentration (chlorophyll-a) is 2.2 µg/L. Always check local health department advisories before swimming.

San Miguel County, New Mexico

Conchas Reservoir

Grade AExcellent · 8.9 ft clarity

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Limited DataMesotrophic

Conchas Reservoir is a mesotrophic lake in San Miguel County, New Mexico. Water quality is graded A based on 1 sampling years through 2016. Compared to the 5 other monitored lakes in San Miguel County, Conchas Reservoir ranks #1 for water quality.

Source: EPA Water Quality Portal sampling records, New Mexico DNR, last sampled 2016-09-28. 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 8.9 ft. Chlorophyll-a: 2.2 µg/L. Trophic State Index: 42.

Metric	Value	Grade
Water Clarity (Secchi Depth)	8.9 ft	B
Phosphorus	No data
Chlorophyll-a (Algae)	2.2 µg/L	A
Trophic State Index (TSI)	42	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Conchas Reservoir

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