Deschutes County Lake Quality
Oregon, 13 lakes, average grade B (Good)
Deschutes County has 13 graded lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. With an average grade of B, Deschutes County sits comfortably above the {{stateName}} median.
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 Wickiup Reservoir Davis Cr Arm (A); the most-stressed is Lava Lake (C).
Quick Answers for Deschutes County
Planning a trip? Check special fishing regulations for Wickiup Reservoir Davis Cr Arm — or check the official Oregon fishing regulations.
All Lakes in Deschutes County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Wickiup Reservoir Davis Cr Arm | A | - | - |
| 2 | Lava Lake | A | 17.6 ft | - |
| 3 | Wickiup Reservoir | A | 11.2 ft | - |
| 4 | Crane Prairie Reservoir | B | 8.4 ft | - |
| 5 | Crane Prairie Reservoir | B | 12.5 ft | - |
| 6 | Crane Prairie Reservoir | B | - | - |
| 7 | Davis Lake | B | - | - |
| 8 | Wickiup Reservoir | B | 8.2 ft | - |
| 9 | Lava Lake | C | 6.6 ft | - |
Other Counties in Oregon
See how Deschutes County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 27 states.
Where to stay near Deschutes County
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Source: EPA National Aquatic Resource Surveys, 2026.