
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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Quick Answers for Rio Grande County
Planning a trip? Check special fishing regulations for Beaver Creek Reservoir — or check the official Colorado fishing regulations.
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
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|
| 1 | Beaver Creek ReservoirRio Grande | 6.2 ft | 36 µg/L | 8.4 µg/L | No recent samples | ✓ Public |
| Sherman LakeRio Grande | No recent samples | No recent samples | No recent samples | No recent samples | Not 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.