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Recent Updates and Quick Links
Including updated Elevation Viewer
and more
includes multiples dates of aerial imagery and elevation
CT DEEP has revamped the Fish Community Data App. Check it out!
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CT ECO News & Updates
Input sought for Long Island Sound Blue Plan review
Feedback is sought for a five-year review and update of the Long Island Sound Resource and Use Inventory and the Long Island Sound Blue Plan. An informational letter contains background, how to access the survey (10 minutes in length), contacts, and more. The survey is intended for all including those not familiar with the Blue […]
[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]CT State GIS Office News & Updates
Update on Imagery and GIS data
Update by Carl Zimmerman, PhD, CT GIS Office This is an update from the CT GIS Office on the production, review, and publication of the imagery and GIS data collected during the spring 2023 flight. The production is divided into four geographic blocks: Block 1 (northwest), Block 2 (southwest), Block 3 (central), and Block 4 […]
[Read More]CT Imagery Delivery Update
Hello, Emily here from UConn and CT ECO. This is a quick update to say that we haven’t received final deliverables of any of the imagery yet. As soon as we do, we will get the service up as soon as possible. Check back for more updates.
[Read More]CT Imagery Delivery Update
Written by Carl Zimmerman, PhD, GIS Coordinator, CT GIS Office (email: carl.zimmerman@ct.gov) The first wave of Imagery, Elevation, and GIS data are now being delivered to the GIS Office and are undergoing a Quality Assurance review. The imagery data we have seen so far (NW CT) looks quite good. A nice example of the quality […]
[Read More]CT GIS Office Newsletter Vol 1, Issue 2
Volume 1, Issue 2 of the GIS Office newsletter is out. It announces the new, seamless 2023 parcel layer, the 2023 Annual Report, and the new housing dashboard. It also includes updates about broadband mapping, stakeholder outreach, addressing, the strategic plan, aerial imagery acquisition update, and more. It also provides a summary of the recent […]
[Read More]CT Imagery and Lidar Delivery Schedule
Written by Carl Zimmerman, PhD, GIS Coordinator, CT GIS Office (email: carl.zimmerman@ct.gov) We are all excited about the arrival of the new data and we have received questions about when it will be available. The very high resolution and quality of both the aerial imagery and Lidar create VERY LARGE files which are time-consuming to […]
[Read More]2023 Data Acquisition Update
Hi CT GIS Community: This is Carl Zimmerman (GIS Coordinator) from the CT GIS Office, and I wanted to give you a quick update on the 2023 imagery acquisition that many of you are wondering about. After some technical and quality delays around the many buy-ups of this complicated and high-resolution data capture (e.g., Imagery, […]
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