Conejos County Lake Quality
Colorado, 1 lakes, average grade (Not rated)
Only 1 lakes in Conejos County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Platoro Reservoir (—); the most-stressed is Platoro Reservoir (—).
Quick Answers for Conejos County
Planning a trip? Check special fishing regulations for Platoro Reservoir — or check the official Colorado fishing regulations.
All Lakes in Conejos County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Platoro Reservoir | - | 97.5 µg/L |
Other Counties in Colorado
See how Conejos County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 36 states and 2 Canadian provinces.
Where to stay near Conejos County
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Source: EPA National Aquatic Resource Surveys, 2026.