What is the cleanest lake in Hubbard County, Minnesota?

Long Lake in Hubbard County is the highest-rated lake in Hubbard County, Minnesota with an EPA water quality grade of A and 11.2 feet of water clarity.

How are these rankings calculated?

Lakes are graded A through F on nutrients and algae — total phosphorus, nitrogen, chlorophyll-a, and turbidity — against EPA National Lakes Assessment 2022 condition classes for that lake’s ecoregion. Water clarity (Secchi depth) is measured and shown; it is not the letter. Lakes without enough recent samples are UNRATED, not given an F. Source data comes from the EPA Water Quality Portal.

Cleanest Lakes in Hubbard County, Minnesota

Long Lake in Hubbard County leads the rankings with a water quality grade of A and 11.2 ft of clarity. Below are the top 50 cleanest monitored lakes in Hubbard County, Minnesota, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Long Lake	Hubbard	A	11.2 ft	10 µg/L	4.5 µg/L
2	Blue Lake	Hubbard	A	17.3 ft	8 µg/L	1.9 µg/L
3	Eagle Lake	Hubbard	A	11.2 ft	14.5 µg/L	4.7 µg/L
4	Mantrap Lake	Hubbard	A	12 ft	17 µg/L	4.5 µg/L
5	Benedict Lake	Hubbard	A	11.5 ft	8.5 µg/L	2.4 µg/L
6	Island Lake	Hubbard	A	10.5 ft	17 µg/L	6.2 µg/L
7	Island Lake	Hubbard	A	16.4 ft	10.5 µg/L	3.6 µg/L
8	Crooked Lake	Hubbard	A	19 ft	8 µg/L	2.2 µg/L
9	Lower Bottle Lake	Hubbard	A	15 ft	10 µg/L	2.5 µg/L
10	Pickerel Lake	Hubbard	A	11.1 ft	14 µg/L	4.3 µg/L
11	George Lake	Hubbard	A	12.6 ft	12 µg/L	3.6 µg/L
12	Upper Bottle Lake	Hubbard	A	16 ft	11 µg/L	3 µg/L
13	Emma Lake	Hubbard	A	18.5 ft	11 µg/L	2.7 µg/L
14	Alice Lake	Hubbard	A	7.2 ft	21 µg/L	5.3 µg/L
15	Potato Lake	Hubbard	A	11.5 ft	11 µg/L	3.9 µg/L
16	Ninth Crow Wing Lake	Hubbard	A	10.2 ft	15.5 µg/L	5.8 µg/L
17	Plantagenet Lake	Hubbard	A	7 ft	20 µg/L	6.7 µg/L
18	Skunk Lake	Hubbard	A	16.5 ft	11.5 µg/L	2.3 µg/L
19	Spider (Ne Lake	Hubbard	A	17.1 ft	11 µg/L	3.2 µg/L
20	Duck Lake	Hubbard	A	10.2 ft	15 µg/L	7 µg/L
21	Gilmore Lake	Hubbard	A	20.3 ft	10 µg/L	1.5 µg/L
22	Midge Lake	Hubbard	A	18 ft	16 µg/L	2.5 µg/L
23	Ham Lake	Hubbard	A	9.7 ft	15 µg/L	3.6 µg/L
24	Stocking Lake	Hubbard	A	11.5 ft	22 µg/L	5.3 µg/L
25	Big Sand Lake	Hubbard	A	23 ft	7 µg/L	1.7 µg/L
26	Little Sand Lake	Hubbard	A	20 ft	7 µg/L	1.8 µg/L
27	Garfield Lake	Hubbard	A	9.5 ft	19 µg/L	4.8 µg/L
28	Hattie Lake	Hubbard	A	12.5 ft	17.5 µg/L	6.2 µg/L
29	Bad Axe Lake	Hubbard	A	15.1 ft	15 µg/L	4 µg/L
30	Kabekona Lake	Hubbard	A	12.1 ft	11 µg/L	2.6 µg/L
31	Hinds Lake	Hubbard	A	13.5 ft	11 µg/L	4 µg/L
32	Fish Hook Lake	Hubbard	A	10.2 ft	13 µg/L	4.5 µg/L
33	Palmer Lake	Hubbard	A	9.5 ft	11 µg/L	4.4 µg/L
34	Boulder Lake	Hubbard	A	10.8 ft	16 µg/L	6.2 µg/L
35	Belle Taine Lake	Hubbard	A	22.8 ft	7 µg/L	2.2 µg/L
36	Big Stony Lake	Hubbard	A	9.8 ft	12 µg/L	4.5 µg/L
37	Halverson Lake	Hubbard	A	8.9 ft	19 µg/L	6.9 µg/L
38	Gillett Lake	Hubbard	A	19 ft	8.5 µg/L	2.4 µg/L
39	Newman Lake	Hubbard	A	17.1 ft	6 µg/L	1.8 µg/L
40	Paine Lake	Hubbard	A	4.9 ft	13.5 µg/L	2.7 µg/L
41	Third Crow Wing Lake	Hubbard	B	2.5 ft	21 µg/L	7.4 µg/L
42	Portage Lake	Hubbard	C	5.5 ft	30.5 µg/L	11.2 µg/L
43	Upper Twin Lake	Hubbard	C	6.9 ft	25.5 µg/L	1.9 µg/L
44	Fifth Crow Wing Lake	Hubbard	C	8.9 ft	21 µg/L	7.7 µg/L
45	Seventh Crow Wing Lake	Hubbard	C	6.9 ft	25 µg/L	7.6 µg/L
46	First Crow Wing Lake	Hubbard	C	5.9 ft	30 µg/L	10.9 µg/L
47	Eighth Crow Wing Lake	Hubbard	C	5.7 ft	24 µg/L	13.8 µg/L
48	Sixth Crow Wing Lake	Hubbard	C	8.9 ft	21 µg/L	10.7 µg/L
49	Schoolcraft Lake	Hubbard	C	8.9 ft	29.5 µg/L	9.6 µg/L
50	Hart Lake	Hubbard	D	4.5 ft	45.5 µg/L	9.8 µg/L

Ranked List

More Answers for Hubbard County, Minnesota