Water monitoring for pesticides

Health Canada's Pest Management Regulatory Agency monitors water for pesticides to gather more data on pesticides in Canadian waterways. Monitoring helps the agency make more informed and timely regulatory decisions about pesticides.

Services and information

About pesticides and water monitoring

How pesticides enter water. Why it’s important to monitor pesticides in waterways.

Canadian water monitoring program for pesticides

How we monitor for pesticides in Canadian waters, including site selection, laboratory analysis, available data and more.

Pilot program

About the water monitoring pilot program for pesticides, conducted in 2022 to 2024.

Framework

The framework, how it was developed and responses to comments following a public consultation process.

Glossary

Definitions of terms relevant to water monitoring.

Dashboard

Interactive, graphic tool with at-a-glance views of water monitoring data.

Open data

Water monitoring results, including pesticide concentrations, sites sampled and laboratory detection limits.

Aquatic life reference values

Thresholds established with the goal of protecting aquatic life.

Human health reference values

Thresholds established with the goal of protecting people’s health.

Page details

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