Explore Monitoring Results
One-click visualizations make monitoring results easier to understand.
Great Lakes
DataStream
An open access hub for sharing water data
Our mission is to promote knowledge sharing and advance collaborative water stewardship
Stories and Announcements
Climate change is accelerating. And smart responses depend on good data.
In watersheds across Canada, temperatures are rising, rainfall patterns are shifting, and storms are hitting harder and more frequently. We’re seeing more droughts, floods, runoff and algal blooms. And the pace of climate change just keeps accelerating.
Five ways open data helps protect freshwater
It’s Open Data Day, a chance to celebrate open access data from all over the world!
We want to hear from you! Take part in DataStream’s feedback survey
Dear DataStream friends, colleagues, and collaborators:
Better Data Means Better Decisions
Communities can drive the data-to-policy cycle. Great Lakes DataStream is designed to support this.
Monitoring Groups
Communities are connected to their waters and best-placed to see changes as they happen.
Open Data
DataStream provides a place to store, share, and compare water monitoring data across watersheds.
Interpretation & Knowledge
Open data advances scientific knowledge, supports collaboration, and fuels innovation.
Policy & Action
Knowledge can be translated into action to protect the health of watersheds on which we all depend.
Great Lakes DataStream at a Glance
DataStream brings water monitoring information together so it’s open, accessible and usable.
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Monitoring Groups
8,665,892
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Unique Measurements
21,924
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Monitoring Sites
