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LakeQuality
Late afternoon sun over Slim Lake, scattering a bright path across wind-textured water

Cleanest Lakes in Okanogan County, Washington

Louis Lake in Okanogan County leads the rankings with a water quality grade of NR. Below are the top 50 cleanest monitored lakes in Okanogan County, Washington, ranked by EPA water quality score.

Ranked List

#LakeCountyGradeClarityPhosphorusAlgae
1Louis LakeOkanoganNR---
2Patterson LakeOkanoganNR---
3Pearrygin LakeOkanoganNR---
4Big Twin LakeOkanoganNR---
5Moccasin LakeOkanoganNR---
6Davis LakeOkanoganNR---
7Roberts LakeOkanoganNR---
8Horseshoe LakeOkanoganNR---
9Medicine LakeOkanoganNR---
10Booher LakeOkanoganNR---
11Alkali LakeOkanoganNR---
12Evans LakeOkanoganNR---
13Brown LakeOkanoganNR---
14Green LakeOkanoganNR---
15Leader LakeOkanoganNR---
16Soap LakeOkanoganNR---
17Rat LakeOkanoganNR---
18Alta LakeOkanoganNR---
19Rufus Woods LakeOkanoganNR---
20Duley LakeOkanoganNR---
21White LakesOkanoganNR---
22Freidlander LakeOkanoganNR---
23Goose LakeOkanoganNR---
24Grant LakeOkanoganNR---
25Rebecca LakeOkanoganNR---
26Buffalo LakeOkanoganNR---
27Johnson LakeOkanoganNR---
28Owhi LakeOkanoganNR---
29Little Owhi LakeOkanoganNR---
30Lyman LakeOkanoganNR---
31Crawfish LakeOkanoganNR---
32Omak LakeOkanoganNR---
33Figure Eight LakeOkanoganNR---
34Patterson LakeOkanoganNR---
35Duck LakeOkanoganNR---
36Aeneas LakeOkanoganNR---
37Whitestone LakeOkanoganNR---
38Wannacut LakeOkanoganNR---
39Horseshoe LakeOkanoganNR---
40Fanchers Dam ReservoirOkanoganNR---
41Muskrat LakeOkanoganNR---
42Lost LakeOkanoganNR---
43Bonaparte LakeOkanoganNR---
44Walker LakeOkanoganNR---
45Beaver LakeOkanoganNR---
46Beth LakeOkanoganNR---
47Sidley LakeOkanoganNR---
48Blue LakeOkanoganNR---
49Osoyoos LakeOkanoganNR---
50Chopaka LakeOkanoganNR---

More Answers for Okanogan County, Washington

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