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	—