2023 Impervious Surface Datasets Now Available!
Impervious Surface The 2023 impervious surface layers have been delivered to the CT GIS Office and are available for download on CT ECO. They include a polygon layer with 12 classes of impervious, along with two lines layers of road centerlines and lanes. Cool stuff! Visit the 2023 impervious surfaces page to learn more, download […]
[Read More]Parcel Viewer Update
Parcels The CT ECO Parcel page and viewer have undergone a facelift. They complement and CT GIS Office parcel collection and sharing work. On CT ECO, find a page about parcels that describes and explains parcels, where to find them, how to connect or download, and more. The CT ECO Parcel Viewer includes statewide digital […]
[Read More]CT ECO Server Maintenance, March 23
Update, 3/23/26, 2:30pm All services are back. Thank you for your patience and if you experience any issues, please email clear@uconn.edu. ———————————————————- The CT ECO servers will be undergoing an upgrade on Monday morning, March 23, 2026. During that time services will be intermittently down including aerials and elevation. It will also impact apps that […]
[Read More]New! Lidar Intensity, Topobathy Lidar, and Contour Service
Two new image services were recently published on CT ECO and shared to the CT Geodata Portal. And the CT GIS Office published the 2023 contours has a fast vector tile service. Lidar Intensity (2023) Lidar intensity is a measure of the return strength of each lidar point. Here, the points are converted to 1 foot […]
[Read More]Urgent: Migrate Select Services on ctmaps Server
A number of services on the CT ECO ctmaps server will be stopped in early June 2025. Most of the services are now available from the CT DEEP Open GIS Data site through a different link. Any connections to the impacted services in map viewers, desktop GIS, or other applications need to be updated to […]
[Read More]Batch Download Files from CT ECO Download Tool
The CT ECO Download Tool is a great way to interactively select files for download. It also provides export in terms of a csv file of links. Systemically downloading from the links requires a separate tool or script. The CT ECO Download Manager help page is now updated with instructions about how to use the […]
[Read More]2023 Elevation Services Published
Elevation Image Services The elevation, hillshade, shaded relief, aspect, and slope image services on CT ECO are now using 2023 elevation. Previously, they were displaying 2016 elevation. The 2023 (and 2016) services can all be found on the Map and Image Services page under Elevation. Elevation Viewer The Elevation Viewer now contains 2023 and 2016 elevation layers […]
[Read More]Update: 2023 Aerial Services and Contour Download
This information and more can be found on the 2023 Flight page. 2023 Aerials Dynamic and Tiled Image Services Both the dynamic and tiled image services of the 2023 aerials are now complete and available, along with metadata. Find them: Map and Image Services page under Imagery – Spring Statewide, then 2023, 4 band, 3 […]
[Read More]Update: 2023 Aerials and More
It is high time for a data update! The final aerial tiles including true orthos* were delivered a few weeks ago and a statewide, final, dynamic, image service is now available on CT ECO! Find the service on the Map and Image Services page under Imagery – Spring Statewide, then 2023 ,4 band, 3 inch, […]
[Read More]First 2023 Aerials Delivery
I am happy to report that the first batch of 2023 aerials has been received, published, and is looking good! The first delivery consisted of all of block 1 (parts 1 and 2) and parts 1 and 2 of block 4. The aerials are currently available as a dynamic image service on CT ECO. A […]
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