What is the cleanest lake in Itasca County, Minnesota?

Shallow Lake in Itasca County has the cleanest nutrient and algae readings in Itasca County, Minnesota, with 16.4 feet of measured water clarity.

How are these rankings calculated?

Nutrients and algae, total phosphorus, nitrogen, chlorophyll-a and turbidity, are read against EPA National Lakes Assessment 2022 condition classes for that lake’s ecoregion. Water clarity (Secchi depth) is measured and shown separately. Lakes without enough recent samples are listed without a condition class rather than ranked low. Source data comes from the EPA Water Quality Portal.

Cleanest Lakes in Itasca County, Minnesota

Shallow Lake in Itasca County leads the rankings on measured clarity and nutrients and 16.4 ft of clarity. Below are the top 50 cleanest monitored lakes in Itasca County, Minnesota, ranked on EPA nutrient and algae measurements.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Shallow Lake	Itasca	16.4 ft	9 µg/L	3.2 µg/L
2	Deer Lake	Itasca	8.9 ft	16 µg/L	5.5 µg/L
3	Deer Lake	Itasca	13.1 ft	11 µg/L	2.1 µg/L
4	Five Island Lake	Itasca	13 ft	12 µg/L	3.2 µg/L
5	Sand Lake	Itasca	13.2 ft	18 µg/L	3.1 µg/L
6	Moose Lake	Itasca	8 ft	24 µg/L	5.1 µg/L
7	Turtle Lake	Itasca	17.1 ft	8 µg/L	2.1 µg/L
8	Pokegama Lake	Itasca	16.1 ft	12 µg/L	2.3 µg/L
9	Swan Lake	Itasca	13.5 ft	18 µg/L	5.2 µg/L
10	Mirror Lake	Itasca	18 ft	11 µg/L	1.7 µg/L
11	Siseebakwet Lake	Itasca	19 ft	5 µg/L	1.3 µg/L
12	Battle Lake	Itasca	8.2 ft	15 µg/L	4.1 µg/L
13	Johnson Lake	Itasca	15.7 ft	9.5 µg/L	2.7 µg/L
14	South Sugar Lake	Itasca	14.4 ft	15 µg/L	3.6 µg/L
15	Jack the Horse Lake	Itasca	11.6 ft	13.5 µg/L	2.1 µg/L
16	Ball Club Lake	Itasca	16 ft	16.5 µg/L	-
17	Pickerel Lake	Itasca	10.2 ft	17.5 µg/L	8 µg/L
18	Jessie Lake	Itasca	8.5 ft	30 µg/L	12.5 µg/L
19	Little Sand Lake	Itasca	8.2 ft	29.5 µg/L	11.4 µg/L
20	Sugar Lake	Itasca	8.4 ft	18 µg/L	4.9 µg/L
21	Bowstring Lake	Itasca	8 ft	38.5 µg/L	12.5 µg/L
22	Dunbar Lake	Itasca	4.9 ft	35.5 µg/L	14.3 µg/L
23	Cut Foot Sioux Lake	Itasca	8.5 ft	26.5 µg/L	6.2 µg/L
24	Third River Flowage Lake	Itasca	6.9 ft	28.5 µg/L	5.5 µg/L
25	King Lake	Itasca	4.5 ft	35 µg/L	29 µg/L
26	Lower Pigeon Lake	Itasca	4.2 ft	38 µg/L	27.6 µg/L
27	Middle Pigeon Lake	Itasca	7.5 ft	27 µg/L	15.5 µg/L
28	Dixon Lake	Itasca	6 ft	34 µg/L	19.6 µg/L
29	Round Lake	Itasca	4.1 ft	67 µg/L	31.8 µg/L
30	Bengal Lake	Itasca	-	-	-
31	Hay Lake	Itasca	-	-	-
32	Moose Lake	Itasca	-	-	-
33	Nameless Lake	Itasca	-	-	-
34	Little Fowler Lake	Itasca	-	-	-
35	Little Island Lake	Itasca	-	-	-
36	Long Lake	Itasca	-	-	-
37	Cropless Lake	Itasca	-	-	-
38	Beauty Lake	Itasca	-	-	-
39	Mary Lake	Itasca	-	-	-
40	Twin Lake	Itasca	-	-	-
41	Rosholt Lake	Itasca	-	-	-
42	New Lake	Itasca	-	-	-
43	Sand Lake	Itasca	-	-	-
44	Loon Lake	Itasca	-	-	-
45	Bass Lake	Itasca	-	-	-
46	Lammon Aid Lake	Itasca	-	-	-
47	Hart Lake	Itasca	-	-	-
48	Little O'Brien Lake	Itasca	-	-	-
49	Ox Hide Lake	Itasca	-	-	-
50	Snowball Lake	Itasca	-	-	-

Ranked List

More Answers for Itasca County, Minnesota