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

Rio Grande County Lake Quality

Colorado, 2 lakes, measured by Colorado WQCD

Rio Grande County holds 2 monitored lakes. With a sample that small the county-level summary describes those specific waters, not necessarily every water body in the county. 1 of those lake carry recent nutrient and algae readings. The county-level summary describes that subset, not every water body listed. Phosphorus and algae readings vary widely across Rio Grande County; the per-lake pages below carry the numbers.

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. Beaver Creek Reservoir has the lowest nutrient and algae readings in the county.

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Where to stay near Rio Grande County

Top-rated places to stay near Rio Grande County

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All Lakes in Rio Grande County

2 lakes · 1 ranked on readings, 1 without enough sampling1 lake ranked on readings · 1 without enough sampling, hidden

#LakeClarityPhosphorusAlgaeTrophicAccess
1Beaver Creek ReservoirRio Grande6.2 ft36 µg/L8.4 µg/LNo recent samples✓ Public
Sherman LakeRio GrandeNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded

NR = no nutrient or algae reading on record. The measurements are published as the authority reports them. Where the data comes from.

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Source: the Water Quality Control Division of the Colorado Department of Public Health and Environment. See data sources.