Groups are organizations with their own testing protocols. They can be Lake Associations, Citizen groups or official government organizations.

Rideau Valley Conservation Authority

Watershed Watch Program

Areas monitored:
Rideau Valley, Ontario

Great Lakes Observing System

Great Lakes Water Quality Data

Areas monitored:
Ann Arbor, Michigan, United States

Mississippi Valley Conservation Authority

Lake Monitoring Program

Areas monitored:
Mississippi Valley, Ontario

Ottawa Riverkeeper


Areas monitored:
Ottawa River watershed

Mobile Baykeeper

Mobile Baykeeper Team

Areas monitored:
We work throughout the Mobile Bay watershed for clean water, clean air, and healthy communities.

Ontario Ministry of the Environment and Climate Change

Great Lakes nearshore areas

Areas monitored:
Ministry of the Environment Etobicoke, Ontario Canada

Water Rangers


Areas monitored:
Eastern Ontario

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