Interested in downloading GRCA data for analysis, charts, or making a map? We provide a variety of datasets, models, and static maps for download.
GRCA maintains a collection of data layers for its Geographic Information System (GIS). You can download over 50 layers of data directly from our data catalogue. [Photo Credit: Jie Huang with permission]
We constantly monitor stream flow, water quality, meteorological conditions, and operational conditions at GRCA dams. This information is collected and transmitted from each station to GRCA's Operations Centre in Cambridge, Ontario once an hour.