What is the cleanest lake in Rainy River District County, Ontario?

Apungsisagen Lake in Rainy River District County is the cleanest lake on the readings in Rainy River District County, Ontario with an EPA water-quality readings of — and 5.2 feet of 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; 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 Rainy River District County, Ontario

Apungsisagen Lake in Rainy River District County leads the rankings on measured clarity and nutrients and 5.2 ft of clarity. Below are the top 50 cleanest monitored lakes in Rainy River District County, Ontario, ranked by EPA water quality score.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Apungsisagen Lake	Rainy River District	—	5.2 ft	19.6 µg/L	-
2	Burditt Lake	Rainy River District	—	14.8 ft	7.9 µg/L	-
3	Crooked Pine Lake	Rainy River District	—	11.5 ft	8.2 µg/L	-
4	Crystal Lake	Rainy River District	—	17.4 ft	8.2 µg/L	-
5	Despair Lake	Rainy River District	—	6.2 ft	10.1 µg/L	-
6	Eva Lake	Rainy River District	—	26.6 ft	5.2 µg/L	-
7	Lerome Lake	Rainy River District	—	13.9 ft	10.5 µg/L	-
8	Little Vermillion Lake	Rainy River District	—	5.6 ft	15.6 µg/L	-
9	Mccaulay Lake	Rainy River District	—	11.5 ft	7.1 µg/L	-
10	Namakan Lake	Rainy River District	—	7.9 ft	9.5 µg/L	-
11	Off Lake	Rainy River District	—	4.6 ft	18.7 µg/L	-
12	Plateau Lake	Rainy River District	—	7.7 ft	9.5 µg/L	-
13	Rainy Lake	Rainy River District	—	9.2 ft	13.9 µg/L	-
14	Squeers Lake	Rainy River District	—	16.4 ft	9 µg/L	-
15	Abbess Lake	Rainy River District	—	9.2 ft	9 µg/L	-
16	Argo Lake	Rainy River District	—	15.9 ft	6.5 µg/L	-
17	Bad Vermilion Lake	Rainy River District	—	12.8 ft	9.4 µg/L	-
18	Beaverhouse Lake	Rainy River District	—	21.1 ft	4.7 µg/L	-
19	Bethune Lake	Rainy River District	—	8.2 ft	6.7 µg/L	-
20	Blackstone Lake	Rainy River District	—	12.5 ft	5.6 µg/L	-
21	Burt Lake	Rainy River District	—	21.2 ft	3.6 µg/L	-
22	Calder Lake	Rainy River District	—	6.2 ft	12.9 µg/L	-
23	Calm Lake	Rainy River District	—	11.8 ft	9.6 µg/L	-
24	Camel Lake	Rainy River District	—	6.1 ft	12.8 µg/L	-
25	Captain Tom Lake	Rainy River District	—	5.6 ft	24.5 µg/L	-
26	Cirrus Lake	Rainy River District	—	14.1 ft	5.3 µg/L	-
27	Clearwater West Lake	Rainy River District	—	26.9 ft	4.7 µg/L	-
28	Conmee Lake	Rainy River District	—	8.4 ft	8.6 µg/L	-
29	Crowrock Lake	Rainy River District	—	14.1 ft	4.6 µg/L	-
30	Dovetail Lake	Rainy River District	—	10.8 ft	9.4 µg/L	-
31	Eltrut Lake	Rainy River District	—	4.3 ft	10.7 µg/L	-
32	Farley Lake	Rainy River District	—	3.6 ft	15.5 µg/L	-
33	Finlayson Lake	Rainy River District	—	10.5 ft	10.7 µg/L	-
34	Heron Lake	Rainy River District	—	4.9 ft	12.5 µg/L	-
35	West Jackfish Lake	Rainy River District	—	6.6 ft	17.9 µg/L	-
36	Jean Lake	Rainy River District	—	16.2 ft	6.4 µg/L	-
37	Kahshahpi Lake	Rainy River District	—	14.1 ft	4.9 µg/L	-
38	Keats Lake	Rainy River District	—	6.6 ft	9.1 µg/L	-
39	Lac la Croix Lake	Rainy River District	—	4.3 ft	9.9 µg/L	-
40	Lilac Lake	Rainy River District	—	9.7 ft	11.6 µg/L	-
41	Little Kishkutena Lake	Rainy River District	—	8.2 ft	13.6 µg/L	-
42	Little Turtle Lake	Rainy River District	—	4.9 ft	13 µg/L	-
43	Louisa Lake	Rainy River District	—	22 ft	6 µg/L	-
44	Lower Marmion Lake	Rainy River District	—	12.8 ft	11.2 µg/L	-
45	Lowry Lake	Rainy River District	—	4.9 ft	24.1 µg/L	-
46	Manion Lake	Rainy River District	—	6.6 ft	10.1 µg/L	-
47	Mcaree Lake	Rainy River District	—	7.1 ft	16 µg/L	-
48	Mcewen Lake	Rainy River District	—	11.2 ft	6.9 µg/L	-
49	Mercutio Lake	Rainy River District	—	6.6 ft	13.1 µg/L	-
50	Olifaunt Lake	Rainy River District	—	9.8 ft	9.2 µg/L	-

Ranked List

More Answers for Rainy River District County, Ontario