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 collaboration so our waters remain healthy for generations to come
Stories and Announcements
Cisco Foundation awards grant to DataStream Initiative to advance open access water quality data platform
DataStream Initiative is pleased to announce financial support from the Cisco Foundation to support the continued development of its open-access platform for sharing water quality data.
Job Posting: Environmental Data Services Manager
The Gordon Foundation is seeking a Data Services Manager to join DataStream at an exciting time as our community of data contributors and users grows across Canada.
Watershed moments: critical conversations on Canada’s freshwater future
This April, join DataStream and our Canadian Freshwater Initiative partners for Watershed Moments, a four‑part webinar series offering practical steps to protect, restore, and advocate for healthy waters.
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.
91
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Monitoring Groups
7.8M
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Unique Measurements
27K
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Monitoring Sites
