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

Cleanest Lakes in Waukesha County, Wisconsin

Silver Lake in Waukesha County leads the rankings with a water quality grade of B and 10 ft of clarity. Below are the top 39 cleanest monitored lakes in Waukesha County, Wisconsin, ranked by EPA water quality score.

Ranked List

#LakeCountyGradeClarityPhosphorusAlgae
1Silver LakeWaukeshaB10 ft11.8 µg/L-
2Ashippun LakeWaukeshaB10 ft13 µg/L-
3Ottawa LakeWaukeshaB13 ft14.6 µg/L-
4Crooked LakeWaukeshaB8 ft16.5 µg/L-
5North LakeWaukeshaB8 ft17.9 µg/L-
6Pretty LakeWaukeshaB12.2 ft12.2 µg/L-
7Pewaukee LakeWaukeshaB7.5 ft19.9 µg/L-
8Hunters LakeWaukeshaB9.5 ft15.9 µg/L-
9Lac la Belle LakeWaukeshaB4.8 ft14.7 µg/L-
10Lake KeesusWaukeshaB9.2 ft15.8 µg/L-
11Eagle Spring LakeWaukeshaB4.5 ft17.9 µg/L-
12Oconomowoc LakeWaukeshaB12.5 ft11.9 µg/L-
13School Section LakeWaukeshaB6.2 ft26.2 µg/L-
14Lower Nashotah LakeWaukeshaB9 ft11.3 µg/L-
15Lower Nemahbin LakeWaukeshaB10.9 ft10.9 µg/L-
16Denoon LakeWaukeshaB9 ft24.7 µg/L-
17Pine LakeWaukeshaB25 ft12.2 µg/L-
18Fowler LakeWaukeshaB14.5 ft15.5 µg/L-
19Upper Nemahbin LakeWaukeshaB12 ft13.7 µg/L-
20Nagawicka LakeWaukeshaB9.5 ft13.5 µg/L-
21Lower Phantom LakeWaukeshaB6.7 ft15.7 µg/L-
22Golden LakeWaukeshaB12.8 ft14.4 µg/L-
23Okauchee Lake SiteWaukeshaB4.6 ft16.2 µg/L-
24Muskego LakeWaukeshaD-59.4 µg/L-
25Phantom LakeWaukeshaNR---
26Rainbow Springs LakeWaukeshaNR---
27Saylesville MillpondWaukeshaNR---
28Dutchman LakeWaukeshaNR---
29Waterville LakeWaukeshaNR---
30Upper Genesee LakeWaukeshaNR---
31Upper Nashotah LakeWaukeshaNR---
32Funks MillpondWaukeshaNR---
33Moose LakeWaukeshaNR---
34Grass LakeWaukeshaNR---
35Upper Oconomowoc LakeWaukeshaNR---
36Tamarack LakeWaukeshaNR---
37Lower Genesee LakeWaukeshaNR---
38Middle Genesee LakeWaukeshaNR---
39Larkin LakeWaukeshaNR---

More Answers for Waukesha County, Wisconsin

All lakes in Waukesha County →Cleanest lakes in Wisconsin →

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