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
The results are in! DataStream's 2023 external evaluation
We asked for your feedback, and you delivered! DataStream is pleased to share the results of our 2023 external evaluation.
Community science on the agenda in the Great Lakes
Since DataStream began in 2016, we have focused on amplifying the important work of community-based monitoring groups. We’re excited that community science has been a central theme at the many gatherings we’ve attended over the past few months throughout the Great Lakes region.
Paddling and protecting the Madawaska
For the past four years, Madawaska Kanu Centre’s office team have been tracking the river’s water quality. Once a month, unless the conditions are too icy, they measure parameters like pH levels, dissolved oxygen and transparency.
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.
71
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Monitoring Groups
9.1M
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Unique Measurements
27K
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Monitoring Sites
