What is the cleanest lake in Beltrami County, Minnesota?

Big Lake in Beltrami County has the cleanest nutrient and algae readings in Beltrami County, Minnesota, with 9.7 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 Beltrami County, Minnesota

Big Lake in Beltrami County leads the rankings on measured clarity and nutrients and 9.7 ft of clarity. Below are the top 50 cleanest monitored lakes in Beltrami County, Minnesota, ranked on EPA nutrient and algae measurements.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Big Lake	Beltrami	9.7 ft	15 µg/L	4.8 µg/L
2	Fullers Lake	Beltrami	15 ft	10 µg/L	2.4 µg/L
3	Round Lake	Beltrami	18 ft	7 µg/L	1.9 µg/L
4	Long Lake	Beltrami	20 ft	7 µg/L	1.8 µg/L
5	Long Lake	Beltrami	10 ft	17 µg/L	4.9 µg/L
6	Long Lake	Beltrami	14 ft	8 µg/L	1.9 µg/L
7	Deer Lake	Beltrami	11 ft	15 µg/L	4.3 µg/L
8	Emerald Lake	Beltrami	9.5 ft	12 µg/L	3.2 µg/L
9	Shell Lake	Beltrami	13 ft	10.5 µg/L	2.6 µg/L
10	Andrusia Lake	Beltrami	15.1 ft	14.5 µg/L	3.6 µg/L
11	Green Lake	Beltrami	18.5 ft	7 µg/L	1.6 µg/L
12	Green Lake	Beltrami	12 ft	10 µg/L	3.3 µg/L
13	Island Lake	Beltrami	16 ft	10 µg/L	2.4 µg/L
14	Moose Lake	Beltrami	15.1 ft	11 µg/L	2.2 µg/L
15	Turtle Lake	Beltrami	10.2 ft	15 µg/L	4.9 µg/L
16	Sandy Lake	Beltrami	16 ft	8 µg/L	2.7 µg/L
17	Heart Lake	Beltrami	14.5 ft	10 µg/L	2.7 µg/L
18	North Twin Lake	Beltrami	17.4 ft	8 µg/L	1.9 µg/L
19	Little Bass Lake	Beltrami	16 ft	10 µg/L	2.5 µg/L
20	Bemidji Lake	Beltrami	12.5 ft	16.5 µg/L	4 µg/L
21	Balm Lake	Beltrami	11.5 ft	17.5 µg/L	2.9 µg/L
22	Stump Lake	Beltrami	13 ft	19.5 µg/L	3 µg/L
23	Three Island Lake	Beltrami	11.8 ft	17 µg/L	4.1 µg/L
24	Beltrami Lake	Beltrami	11.2 ft	15 µg/L	4.3 µg/L
25	Julia Lake	Beltrami	9.2 ft	21 µg/L	4.5 µg/L
26	Fox Lake	Beltrami	11.2 ft	13 µg/L	4 µg/L
27	Big Bass Lake	Beltrami	10.5 ft	14 µg/L	5.1 µg/L
28	Movil Lake	Beltrami	14 ft	12 µg/L	5.3 µg/L
29	Grant Lake	Beltrami	10.7 ft	11.5 µg/L	3.6 µg/L
30	No-Name Lake	Beltrami	13 ft	11 µg/L	3.2 µg/L
31	Johnson Lake	Beltrami	7.5 ft	23.5 µg/L	6.4 µg/L
32	Shemahgun Lake	Beltrami	15 ft	8.5 µg/L	1.6 µg/L
33	Kinney Lake	Beltrami	15 ft	8 µg/L	2.4 µg/L
34	Lindgren Lake	Beltrami	13 ft	14 µg/L	4 µg/L
35	Swenson Lake	Beltrami	20.7 ft	8 µg/L	2 µg/L
36	Squaw Smith Lake	Beltrami	20 ft	9.5 µg/L	1.6 µg/L
37	Dickens Lake	Beltrami	11 ft	15 µg/L	4 µg/L
38	Black Lake	Beltrami	10.3 ft	24 µg/L	4.7 µg/L
39	South Twin Lake	Beltrami	16.7 ft	8.5 µg/L	2.2 µg/L
40	Big Thunder Lake	Beltrami	11.5 ft	12 µg/L	3.7 µg/L
41	Bass Lake	Beltrami	9 ft	12.5 µg/L	3.6 µg/L
42	Chain: South Lake	Beltrami	11 ft	14 µg/L	5.6 µg/L
43	Little Thunder Lake	Beltrami	15 ft	12 µg/L	2.8 µg/L
44	Pimushe Lake	Beltrami	8.2 ft	22 µg/L	6.2 µg/L
45	Buzzle Lake	Beltrami	17.1 ft	8.5 µg/L	1.5 µg/L
46	Medicine Lake	Beltrami	7.9 ft	23 µg/L	7.1 µg/L
47	Irving Lake	Beltrami	5.6 ft	32 µg/L	10.2 µg/L
48	Grace Lake	Beltrami	15 ft	21.5 µg/L	9.3 µg/L
49	Gull Lake	Beltrami	7.9 ft	26 µg/L	6.3 µg/L
50	Little Turtle Lake	Beltrami	6.5 ft	23.5 µg/L	12 µg/L

Ranked List

More Answers for Beltrami County, Minnesota