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

Cleanest Lakes in Grant County, Washington

Banks Lake in Grant County leads the rankings with a water quality grade of A and 19.4 ft of clarity. Below are the top 46 cleanest monitored lakes in Grant County, Washington, ranked by EPA water quality score.

Ranked List

#LakeCountyGradeClarityPhosphorusAlgae
1Banks LakeGrantA19.4 ft13 µg/L1.3 µg/L
2Moses LakeGrantB-20 µg/L-
3Osborn Bay LakeGrantNR---
4Black Rock LakeGrantNR---
5Black LakeGrantNR---
6Artesian LakeGrantNR---
7Round LakeGrantNR---
8South Willow LakeGrantNR---
9Soap LakeGrantNR---
10Little Soap LakeGrantNR---
11Lenore LakeGrantNR---
12Trail LakeGrantNR---
13Blue LakeGrantNR---
14Alkali LakeGrantNR---
15Park LakeGrantNR---
16Dry Falls LakeGrantNR---
17Coulee LakeGrantNR---
18Thompson LakeGrantNR---
19Winchester WastewayGrantNR---
20Winchester WastewayGrantNR---
21Sand LakeGrantNR---
22Hillton LakeGrantNR---
23Wanapum LakeGrantNR---
24Dusty LakeGrantNR---
25Flat LakeGrantNR---
26Quincy LakeGrantNR---
27Evergreen ReservoirGrantNR---
28Stan Coffin LakeGrantNR---
29Moran SloughGrantNR---
30Priest Rapids LakeGrantNR---
31Nunnally LakeGrantNR---
32Lenice LakeGrantNR---
33Sand Hollow LakeGrantNR---
34Red Rock LakeGrantNR---
35Saddle Mountain LakeGrantNR---
36Pit LakesGrantNR---
37Lower Goose LakeGrantNR---
38Upper Goose LakeGrantNR---
39Corral LakeGrantNR---
40Blythe LakeGrantNR---
41Marsh Unit OneGrantNR---
42Soda LakeGrantNR---
43Hampton LakeGrantNR---
44Canal LakeGrantNR---
45Long LakeGrantNR---
46Windmill LakeGrantNR---

More Answers for Grant County, Washington

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