The Great Lakes Observing System coordinates Great Lakes data collection, management, and sharing.


Hot Topics

Get to know the Great Lakes Observing System

Why are environmental observations so important, and to whom? Meet some of the organizations who are using GLOS data, and learn about how GLOS is transforming the way we interact with and manage the Great Lakes.


GLOS members represent a variety of data providers, data managers, and data users. While each member has distinct interests, all are dedicated to and benefit from achieving the GLOS mission: to connect data users with data providers in ways that are supportive of policy and decision making.