The Geodata Portal will provide access to high-quality geospatial data for Connecticut data practitioners across all sectors and industries. By hosting, aggregating, and sharing trusted and reliable geospatial data, users can expect to easily find trusted data to meet their needs. The Geodata Portal is available at geodata.ct.gov and will build on the success of and be integrated with the state’s open data portal. The Geodata Portal contains, maps, apps, and services from multiple authoritative data sources including the CT Dept. of Transportation (DOT), CT Dept. of Energy and Environmental Protection (DEEP), and CT ECO.
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Connecticut Broadband Availability Map
The Connecticut Broadband Availability Map was created to help citizens and policymakers understand the strengths and weaknesses of broadband infrastructure in the state. Continue reading
1934 Aerial Photography Mosaic
The 1934 Aerial Photography Mosaic created by UConn MAGIC is now on CT ECO for easy use in online and desktop GIS! Find it in the Aerial Imagery Viewer and as an image service. Learn more!
Connecticut Town Parcels
Connecticut town parcels are now available for viewing on CT ECO. 
2019 Flight
The 2019 flight has been completed and is now on the CT ECO website!
Long Island Sound Blue Plan Viewer
A viewer for the Long Island Sound Blue Plan is now part of CT ECO.
Sea Level Rise Effects on Roads and Large Marshes Project
The The Sea Level Rise Effects on Roads and Large Marshes viewer displays impacts of modeled sea level rise on Connecticut’s 21 largest marshes and all coastal area roads.