
DataStream brings people and data together to protect fresh water.
Open data platform
Canada's open access platform for sharing water data
Free to use and scientifically robust. We bring water quality data together across sectors and jurisdictions in standardized formats that make it easy to discover and use.

364
Monitoring groups
58K
Monitoring sites
78M
Observations
Our Mission
Our mission is to promote knowledge sharing and collaboration so our waters remain healthy for generations to come
DataStream Initiative is a registered Canadian charity dedicated to advancing freshwater protection through open data flows.


Our vision
Freshwater stewardship in Canada is inclusive of public voices and informed by the best available evidence
Communities are equipped to keep pace with climate and other changes within their local watersheds.

We work with water monitoring initiatives and organizations of all kinds
Better data means better decisions
Communities can drive the data-to-policy cycle. DataStream is designed to support this.
Policy & Action
Knowledge can be translated into action to protect the health of watersheds on which we all depend.
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.
Latest news

Stewarding Saint John’s waterways for 30+ years
Today, ACAP Saint John shares data from seven monitoring programs on Atlantic DataStream, contributing 12 years of water quality observations.

A collaborative approach to tracking water quality across Haliburton lakes
In 2022, the U-Links Centre for Community-Based Research created the “Testing the Waters” initiative through their Woodlands & Waterways EcoWatch (WWEW) program.

DataStream achieves CoreTrustSeal certification
DataStream is proud to announce that it has achieved CoreTrustSeal certification as a Trustworthy Digital Repository (TDR).