Cleanest Lakes in Columbia County, Oregon
Resting Lake in Columbia County leads the rankings on measured clarity and nutrients. Below are the top 16 cleanest monitored lakes in Columbia County, Oregon, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Clarity | Phosphorus | Algae | |
|---|---|---|---|---|---|---|
| 1 | Resting Lake | Columbia | — | - | - | - |
| 2 | Swan Lake | Columbia | — | - | - | - |
| 3 | Deer Island Slough | Columbia | — | - | - | - |
| 4 | Racetrack Lake | Columbia | — | - | - | - |
| 5 | Malarky Lake | Columbia | — | - | - | - |
| 6 | Sturgeon Lake | Columbia | — | - | - | - |
| 7 | Steelman Lake | Columbia | — | - | - | - |
| 8 | Scappoose Bay | Columbia | — | - | - | - |
| 9 | Cunningham Lake | Columbia | — | - | - | - |
| 10 | Crane Lake | Columbia | — | - | - | - |
| 11 | Seal Lake | Columbia | — | - | - | - |
| 12 | Aarons Lake | Columbia | — | - | - | - |
| 13 | McNary Lake | Columbia | — | - | - | - |
| 14 | Henrici Lake | Columbia | — | - | - | - |
| 15 | Millionaire Lake | Columbia | — | - | - | - |
| 16 | Vernonia Lake | Columbia | — | - | - | - |
More Answers for Columbia County, Oregon
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