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Cass County
B
Cass County Lake Quality
Minnesota — 154 lakes, average grade B (Good)
All Lakes in Cass County
Rank
Lake
Grade
Clarity
Phosphorus
1
Deep Portage Lake
A
4.7m
10 µg/L
2
Horseshoe Lake
A
6.4m
—
3
Long Lake
A
5.71m
—
4
Long Lake
A
6.4m
10 µg/L
5
Sand Lake
A
6.4m
—
6
Woman Lake
A
5.18m
—
7
Girl Lake
A
5.18m
12 µg/L
8
Bass Lake
A
—
9 µg/L
9
Island Lake
A
4.57m
12 µg/L
10
Island Lake
A
5.34m
8 µg/L
11
Portage Lake
A
6.96m
—
12
Hand Lake
A
5.18m
—
13
Ox Yoke Lake
A
5.33m
—
14
Crystal Lake
A
4.88m
7 µg/L
15
Pleasant Lake
A
4.7m
10 µg/L
16
Webb Lake
A
5.41m
9 µg/L
17
Howard Lake
A
4.88m
9 µg/L
18
Thunder Lake
A
5m
10 µg/L
19
Sanburn Lake
A
5.8m
—
20
Little Portage Lake
A
5m
11 µg/L
21
Pine Lake
A
4.87m
13 µg/L
22
Ten Mile Lake
A
6.1m
8 µg/L
23
Ten Mile Lake
A
6.25m
8 µg/L
24
Ponto Lake
A
5.79m
7 µg/L
25
Long Lake
A
6.95m
8 µg/L
26
Sylvan Lake
A
5.49m
7 µg/L
27
Hunter Lake
A
9.45m
11 µg/L
28
Lost Lake
A
4.57m
8 µg/L
29
Stony Lake
A
7.09m
7 µg/L
30
Sylvan Lake
A
6.17m
7 µg/L
31
Widow Lake
A
5.64m
—
32
Barnum Lake
A
4.9m
9 µg/L
33
Long Lake
A
5.11m
—
34
Mule Lake
A
5.7m
9 µg/L
35
Little Webb Lake
A
5.03m
—
36
Fawn Lake
A
6.1m
—
37
Pillager Lake
A
4.6m
7 µg/L
38
Cooper Lake
A
5.2m
13 µg/L
39
Thunder Lake, Cass County, Mn, Usa
A
6.1m
—
40
Grave Lake
A
5.24m
—
41
Mckeown Lake
A
5.02m
10 µg/L
42
Kid Lake
A
4.73m
11 µg/L
43
Long Lake, Cass County, Mn, Usa, 47.0203652, -94.1777232
A
14.2m
—
44
Walker Bay Lake
A
5.02m
—
45
Agency Bay Lake
A
4.64m
—
46
Kabekona Bay Lake
A
5.25m
—
47
Jack Lake
A
4.8m
7 µg/L
48
Pine Mountain Lake, Cass County, Mn, Usa, 46.8234656, -94.533056
A
5.33m
—
49
Big Deep Lake
A
5.2m
6.5 µg/L
50
11-0086-00-100 Lake
A
5.64m
—
51
Craig Lake
A
—
—
52
Gijik Lake
A
—
—
53
Craig Lake
A
—
—
54
Crooked Lake
A
3.66m
12 µg/L
55
Steamboat Lake
A
3.66m
11 µg/L
56
Steamboat Bay Lake
A
3.43m
14 µg/L
57
Boxell Lake
A
4.41m
14 µg/L
58
Birch Lake
A
4.18m
12 µg/L
59
Ada Lake
A
4.27m
10 µg/L
60
Washburn Lake
A
4.27m
11 µg/L
61
Maple Lake
A
4.11m
—
62
Woman Lake
A
4m
11 µg/L
63
Upper Gull Lake
A
3.05m
19 µg/L
64
Rainy Lake
A
4.23m
11.5 µg/L
65
Upper Trelipe Lake
A
4.27m
11 µg/L
66
Ray Lake
A
3.05m
11 µg/L
67
Lawrence Lake
A
3.05m
16 µg/L
68
Child Lake
A
3.45m
14 µg/L
69
Baby Lake
A
3.8m
9 µg/L
70
Inguadona Lake
A
3.7m
15 µg/L
71
Spider Lake
A
3.1m
12.5 µg/L
72
Broadwater Bay Lake
A
4.41m
14 µg/L
73
Blackwater Lake
A
4.3m
11 µg/L
74
Man Lake
A
3.4m
9.5 µg/L
75
Little Boy Lake
A
3.35m
14 µg/L
76
Wood Lake
A
4.4m
10 µg/L
77
Leech Lake
A
3.96m
10 µg/L
78
Leech Lake
A
3.7m
10 µg/L
79
Leech Lake
A
4.1m
12 µg/L
80
Trillium Lake
A
3.4m
17 µg/L
81
Wabedo Lake
A
3.2m
15 µg/L
82
Loon Lake
A
3.7m
13 µg/L
83
Inguadona Lake
A
3.96m
14 µg/L
84
Sugar Lake
A
3.66m
17 µg/L
85
Roosevelt Lake
A
3.4m
14 µg/L
86
Pine Mountain Lake
A
3.81m
17.5 µg/L
87
Hay Lake
A
4.01m
16.5 µg/L
88
Roosevelt - South Lake
A
3.9m
11 µg/L
89
Portage Bay Lake
A
3.43m
—
90
Traders Bay Lake
A
3.04m
—
91
Welsh Lake
A
4.11m
—
92
Welch Lake
A
3.81m
11 µg/L
93
Five Point Lake
A
3.89m
16 µg/L
94
Lake Winnibigoshish
A
4.87m
—
95
Tamarack Bay Lake
A
3.5m
—
96
Horseshoe Lake
B
2.7m
18 µg/L
97
Silver Lake
B
3.96m
14 µg/L
98
Swift Lake
B
2.29m
13.5 µg/L
99
Upper Sucker Lake
B
3.28m
17 µg/L
100
Six Mile Lake
B
3.5m
16 µg/L
101
Leech Lake
B
4.42m
—
102
Portage Lake
B
3.66m
—
103
Kidney Lake
B
3.51m
—
104
Gull Lake
B
4.42m
—
105
Three Island Lake
B
2.75m
12 µg/L
106
Leech Lake
B
3.05m
20 µg/L
107
Wabedo Lake
B
2.74m
18 µg/L
108
Andrus Lake
B
3.66m
—
109
Little Andrus Lake
B
3.96m
—
110
Woman Lake
B
4.27m
—
111
Leech Lake
B
3.35m
—
112
Hattie Lake
B
3m
17 µg/L
113
Variety Lake
B
3.2m
—
114
Leavitt Lake
B
2.55m
19 µg/L
115
L Thunder Lake
B
4.27m
—
116
Blackwater Lake, Cass County, Mn, Usa
B
4m
—
117
Steamboat Bay Lake
B
2.95m
—
118
Inguadona Lake, Cass County, Mn, Usa
B
3.81m
—
119
Boy Bay Lake
B
2.25m
—
120
Shingobee Bay Lake
B
3.24m
—
121
Headquarters Bay Lake
B
2.28m
—
122
Sucker Bay Lake
B
2.67m
—
123
Town Line Lake
B
2m
11 µg/L
124
3-Island Lake
B
3m
—
125
Stevens Lake
B
3.11m
28.5 µg/L
126
Inguadona Lake
B
3.43m
—
127
Lower Sucker Lake
B
2.52m
22 µg/L
128
Island Lake
B
2.5m
20 µg/L
129
Portage Lake
B
2.29m
23 µg/L
130
Portage Lake
B
2.13m
21 µg/L
131
Lower Trelipe Lake
B
2.1m
23 µg/L
132
Little Sand Lake
B
2.29m
24 µg/L
133
Boy Lake
B
2.7m
21 µg/L
134
Big Portage Lake
B
2.4m
20 µg/L
135
Dade Lake
B
1.6m
12.5 µg/L
136
Big Portage Lake
B
2.3m
20 µg/L
137
Gould Lake
B
1.52m
—
138
Portage Lake
B
2.13m
—
139
Bowen Lake
B
4.19m
32 µg/L
140
Little Wolf Lake
B
2.82m
25 µg/L
141
Vermillion Lake
B
2.15m
26 µg/L
142
Rock Lake
C
1.81m
29.5 µg/L
143
Leech Lake
C
2.74m
—
144
Faherty Lake
C
1.89m
26.5 µg/L
145
Million Lake
C
1.51m
21 µg/L
146
Portage Lake
C
2.21m
—
147
Norway Lake
C
2m
20.5 µg/L
148
Margaret Lake
C
1.68m
41 µg/L
149
George Lake
C
1.37m
40 µg/L
150
Middle Sucker Lake
C
1.45m
32 µg/L
151
Middle Sucker Lake
C
1.45m
—
152
Bueber Lake
C
1.88m
37 µg/L
153
Leech Lake
D
1.83m
—
154
Abel Lake
D
1.73m
—