Freshwater quality monitoring

Environmental monitoring, Assessment and reporting on aquatic ecosystems status and trends.

Most requested

Great Lakes, St. Lawrence, St. Croix, Churchill and Saint John rivers.

Nelson, Saskatchewan and Churchill rivers, Lake Winnipeg, Lake Manitoba, Lake of the Woods.

Fraser, Yukon, Columbia and Quinsam rivers, Georgia Basin.

Mackenzie, Peace, Athabasca, and Liard rivers, Slave, Athabasca and Great Bear lakes.

Preserving the health of Canadian waters is a shared responsibility.

Water quality data, interactive mapping.

Overview of the role of the fresh water quality monitoring and surveillance division.

Monitoring inland water quality, remote sensing of algae blooms