Freshwater quality monitoring
Environmental monitoring, Assessment and reporting on aquatic ecosystems status and trends.
Most requested
Services and information
Atlantic watershed
Great Lakes, St. Lawrence, St. Croix, Churchill and Saint John rivers.
Hudson Bay watershed
Nelson, Saskatchewan and Churchill rivers, Lake Winnipeg, Lake Manitoba, Lake of the Woods.
Pacific Ocean watershed
Fraser, Yukon, Columbia and Quinsam rivers, Georgia Basin.
Arctic and Athabasca watershed
Mackenzie, Peace, Athabasca, and Liard rivers, Slave, Athabasca and Great Bear lakes.
Partners and agreements
Preserving the health of Canadian waters is a shared responsibility.
Online data
Water quality data, interactive mapping.
Overview
Overview of the role of the fresh water quality monitoring and surveillance division.
Earth observation satellites
Monitoring inland water quality, remote sensing of algae blooms
Contributors
What we are doing
Publications
Online data
Consultations
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