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LakeQuality
Late afternoon sun over Slim Lake, scattering a bright path across wind-textured water
NR

De Baca County Lake Quality

New Mexico, 7 lakes — no lake here has enough monitoring data for a grade

De Baca County holds 7 monitored lakes. With a sample that small the county-level summary describes those specific waters, not necessarily every water body in the county. No lake in De Baca County has enough sampling behind it for an A–F grade yet. The 7 monitored lakes below carry whatever clarity, phosphorus, and chlorophyll-a measurements exist.

Most of the county's monitored lakes are shallow, under 50 feet, which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed.

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Where to stay near De Baca County

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All Lakes in De Baca County

7 lakes · 0 graded, 7 not rated0 graded lakes · 7 not rated, hidden

#LakeGradeClarityPhosphorusAlgaeTrophicAccess
NRSumner Lake DamDe BacaNR4.9 ftNo recent samples5.1 µg/LNo recent samples✓ Public
NRLake SumnerDe BacaNRNo recent samplesNo recent samplesNo recent samplesNo recent samples✓ Public
NRBonner LakeDe BacaNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRCooley LakeDe BacaNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRUrton LakeDe BacaNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRRed LakeDe BacaNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRThe Old Dry LakeDe BacaNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded

NR = not rated: there is not enough recent sampling to support a letter. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.

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See how De Baca County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all United States (49 states), Canada (Ontario, Québec, Nova Scotia, British Columbia and Newfoundland and Labrador), and 38 other country hubs..

Source: EPA National Aquatic Resource Surveys, 2026.