Cleanest Lakes in Jefferson County, Oregon
Billy Chinook Reservoir in Jefferson County leads the rankings on measured clarity and nutrients and 4.4 ft of clarity. Below are the top 18 cleanest monitored lakes in Jefferson County, Oregon, ranked on EPA nutrient and algae measurements.
Ranked List
| # | Lake | County | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|
| 1 | Billy Chinook Reservoir | Jefferson | 4.4 ft | 70 µg/L | 2.2 µg/L |
| 2 | Deschutes River Arm Lake | Jefferson | 4.6 ft | 60 µg/L | 4.4 µg/L |
| 3 | Round Butte Dam Forebay Lake | Jefferson | 5.6 ft | 40 µg/L | 4.6 µg/L |
| 4 | Currant Creek Reservoir | Jefferson | - | - | - |
| 5 | Pelton Regulating Reservoir | Jefferson | - | - | - |
| 6 | Lake Simtustus | Jefferson | - | - | - |
| 7 | Boulder Lake | Jefferson | - | - | - |
| 8 | Trout Lake | Jefferson | - | - | - |
| 9 | Island Lake | Jefferson | - | - | - |
| 10 | Long Lake | Jefferson | - | - | - |
| 11 | Monon Lake | Jefferson | - | - | - |
| 12 | Harvey Lake | Jefferson | - | - | - |
| 13 | Olallie Lake | Jefferson | - | - | - |
| 14 | Suttle Lake | Jefferson | - | - | - |
| 15 | Blue Lake | Jefferson | - | - | - |
| 16 | Square Lake | Jefferson | - | - | - |
| 17 | Brewer Reservoir | Jefferson | - | - | - |
| 18 | Little Willow Creek Reservoir | Jefferson | - | - | - |
More Answers for Jefferson County, Oregon
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