Walworth County Lake Quality

Wisconsin — 69 lakes, average grade A (Excellent)

All Lakes in Walworth County

Rank	Lake	Grade	Clarity	Phosphorus
1	Spider Lake # 5 - North Basin	A	9.25m	—
2	Silver Lake -	A	12m	—
3	Long Lake - Site D	A	10.5m	—
4	Balsam Lake -	A	9.5m	19.3 µg/L
5	Long Lake - Site C	A	9.5m	—
6	Horseshoe Lake -	A	14m	12.4 µg/L
7	Island Lake -	A	14.5m	—
8	Loon Lake -	A	—	7 µg/L
9	Spider Lake # 2 -	A	10m	—
10	Spider Lake # 1 - Center	A	9.38m	—
11	Stone Lake -	A	23m	10.8 µg/L
12	Big Mckenzie Lake -	A	10.25m	17 µg/L
13	Tozer Lake -	A	15.5m	13.2 µg/L
14	Middle Twin Lake	A	7m	—
15	Matthews Lake -	A	13.5m	13.7 µg/L
16	Long Lake -	A	5m	—
17	Lower Mckenzie Lake - Deep Hole,	A	11m	18.8 µg/L
18	Deep Lake -	A	6.75m	16.5 µg/L
19	Shell Lake -	A	15.5m	15.2 µg/L
20	South Twin Lake -	A	14.25m	11 µg/L
21	Spider Lake # 5 - South Basin	A	9m	—
22	Slim Lake -	A	12.75m	13.6 µg/L
23	Lake Nancy - Site B - Deep Hole Se	A	15m	14 µg/L
24	Spider Lake # 5 - Center Basin	A	9.25m	—
25	Spider Lake # 4 -	A	8.75m	—
26	Spooner Lake -	A	7m	—
27	Lake Nancy - Site A	A	12m	12.5 µg/L
28	Mclain Lake -	A	9.5m	14.2 µg/L
29	Spring Lake -	A	—	14.8 µg/L
30	Ripley Lake -	A	8.5m	—
31	Bass Lake - Site 1-	A	16m	12.3 µg/L
32	Spider Lake # 3 -	A	9m	—
33	Horseshoe Lake - West	A	10.5m	14.4 µg/L
34	Lower Mckenzie Lake - Lower Mckenzie Lake	A	10m	—
35	Un Lake -	A	9.38m	—
36	North Twin Lake -	A	9m	13.7 µg/L
37	Middle Kimball Lake -	A	16m	13.1 µg/L
38	Long Lake - Site E	A	11m	15.7 µg/L
39	Gilmore Lake -	A	10m	16.3 µg/L
40	Long Lake - Site F	A	8.25m	—
41	Bass Lake -	A	15.5m	—
42	Little Ripley Lake -	A	6m	—
43	Bean Lake -	A	10m	16.2 µg/L
44	Little Sand Lake - Deepest	A	14m	—
45	Dunn Lake - Center Middle	A	14.25m	—
46	Dunn Lake - Center Southern	A	13m	—
47	Big Bass Lake, Washburn County, Wi, Usa	A	5.46m	—
48	Balsam Lake - Deep Hole - North End	A	9m	—
49	No Mans Lake - Deepest Spot	A	9m	—
50	Lower Kimball Lake -	A	6m	18.5 µg/L
51	Unnamed Lake -	A	6.48m	—
52	Gull Lake -	A	8.5m	—
53	Big Bass Lake -	A	—	11.7 µg/L
54	Trego Lake -	A	—	16.5 µg/L
55	Birch Lake -	A	5.5m	27.6 µg/L
56	Upper Kimball Lake -	A	9.75m	20.4 µg/L
57	Long Lake - Deep Hole/Site A	A	6.5m	20.7 µg/L
58	Spooner Lake -	A	8m	22.7 µg/L
59	Kekegama Lake / Bear Creek -	A	5.25m	26.4 µg/L
60	Yellow River Flowage - Yellow River Flowage Lake	A	10m	23.1 µg/L
61	Potato Lake -	B	9.88m	33.2 µg/L
62	Slim Lake - Slim Lake	B	3.6m	—
63	Island Lake	B	4m	—
64	Unnamed Lake -	B	3.28m	—
65	Bear Lake - West Basin Deepest Spot	B	4.25m	20 µg/L
66	Unnamed Lake - Deepest Spot	B	—	28.4 µg/L
67	Minong Flowage - Deep Hole 1/3 Mi Lake	B	4m	31.9 µg/L
68	Minong Flowage - Site A-Central Basin - Nw of Youth Camp Lake	B	3.5m	40.4 µg/L
69	Mud Lake -	D	—	70.7 µg/L