What is the water quality grade for Sumner Lake Dam?

Sumner Lake Dam in De Baca County, New Mexico received a water quality grade of B (Good). Water clarity: 4.9 ft visibility. Chlorophyll-a (algae): 5.1 µg/L.

Is Sumner Lake Dam safe to swim in?

Good for swimming, clear water with low algae levels. Sumner Lake Dam has an overall water quality grade of B. Algae concentration (chlorophyll-a) is 5.1 µg/L. Always check local health department advisories before swimming.

De Baca County, New Mexico

Sumner Lake Dam

Grade BGood · 4.9 ft clarity

Find places to stay →

Limited DataEutrophic

Sumner Lake Dam is a productive, nutrient-rich eutrophic lake in De Baca County, New Mexico. Water quality is graded B based on 1 sampling years through 2020.

Source: EPA Water Quality Portal sampling records, New Mexico DNR, last sampled 2020-08-11. Grade methodology: LakeGrade methodology.

Watch Sumner Lake Dam water quality

Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Murky, only visible to about 4.9 ft. Chlorophyll-a: 5.1 µg/L. Trophic State Index: 50.

Metric	Value	Grade
Water Clarity (Secchi Depth)	4.9 ft	D
Phosphorus	No data
Chlorophyll-a (Algae)	5.1 µg/L	B
Trophic State Index (TSI)	50	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Sumner Lake Dam

Compare lakeside cabins, hotels, and vacation rentals near Sumner Lake Dam in De Baca 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.

Top-rated places to stay near Sumner Lake Dam