What is the cleanest lake in Memphrémagog County, Québec?

Lac Massawippi in Memphrémagog County is the cleanest lake on the readings in Memphrémagog County, Québec with an EPA water-quality readings of — and 12.8 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 Memphrémagog County, Québec

Lac Massawippi in Memphrémagog County leads the rankings on measured clarity and nutrients and 12.8 ft of clarity. Below are the top 25 cleanest monitored lakes in Memphrémagog County, Québec, ranked by EPA water quality score.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Lac Massawippi	Memphrémagog	—	12.8 ft	5.6 µg/L	3.4 µg/L
2	Lac des FrançAis	Memphrémagog	—	9.8 ft	9.3 µg/L	3.2 µg/L
3	Lac Nick	Memphrémagog	—	13 ft	8.7 µg/L	2.6 µg/L
4	Lac Simoneau	Memphrémagog	—	17.2 ft	4.2 µg/L	1.7 µg/L
5	Lac Bran de Scie	Memphrémagog	—	8.5 ft	11.3 µg/L	4.7 µg/L
6	Lac Leclerc	Memphrémagog	—	9.8 ft	9.3 µg/L	3.3 µg/L
7	Lac des Monts	Memphrémagog	—	10.5 ft	9.5 µg/L	4.6 µg/L
8	Lac Lovering	Memphrémagog	—	13.1 ft	7.2 µg/L	3.4 µg/L
9	Lac Bowker	Memphrémagog	—	28.7 ft	1.9 µg/L	1 µg/L
10	Lac Peasley	Memphrémagog	—	11.2 ft	6.5 µg/L	2.3 µg/L
11	ÉTang George	Memphrémagog	—	6.6 ft	12 µg/L	3.7 µg/L
12	ÉTang Aux Cerises	Memphrémagog	—	5.9 ft	11.9 µg/L	9.3 µg/L
13	Lac Long Pond	Memphrémagog	—	13.8 ft	9.1 µg/L	4.7 µg/L
14	Lac Trousers	Memphrémagog	—	10.7 ft	9.3 µg/L	3.7 µg/L
15	Lac des Sittelles	Memphrémagog	—	13.8 ft	4.4 µg/L	1.9 µg/L
16	Lac Malaga	Memphrémagog	—	16.6 ft	6.3 µg/L	2.5 µg/L
17	ÉTang O'Malley	Memphrémagog	—	14.1 ft	8.1 µg/L	2.5 µg/L
18	Lac Gilbert	Memphrémagog	—	21.5 ft	5.6 µg/L	1.5 µg/L
19	ÉTang Mckey	Memphrémagog	—	9.8 ft	11.6 µg/L	4.6 µg/L
20	Lac Brompton	Memphrémagog	—	12.3 ft	5.9 µg/L	2.6 µg/L
21	Lac Fraser	Memphrémagog	—	15.4 ft	5.5 µg/L	2.5 µg/L
22	Lac à la Truite	Memphrémagog	—	13.1 ft	8.3 µg/L	2.8 µg/L
23	Lac Parker	Memphrémagog	—	4.8 ft	16.2 µg/L	5.2 µg/L
24	Lac Orford	Memphrémagog	—	22.6 ft	2.6 µg/L	1.3 µg/L
25	Lac D'Argent	Memphrémagog	—	9.5 ft	8.5 µg/L	3.2 µg/L

Ranked List

More Answers for Memphrémagog County, Québec