bullet MAPS


Map Catalog >>

A variety of maps in pdf format including soils, contours and orthophotos.

Town | Quadrangle | Statewide


CT ECO on ArcGIS Online >>

Visit and interact with CTECO maps in the cloud. Save and share them too.

Go to CT ECO on AGOL | Learn More

Thematic Map Viewers >>

Easy-to-use interactive map viewers for single topic maps.

Simple Map Viewer | Aerial Photo Viewer


Advanced Map Viewers >>

Advanced interactive map viewers with more data and tools than the Thematic Map Viewers.

bullet GUIDES


Data Guides >>

Basic description of CT ECO geospatial data and maps.

2010 Color Aerials | Contours | Parcels

Resource Guides >>

Comprehensive explanation of natural resource and environmental information.

bullet GIS DATA


Map Services >>

Connect your GIS software to CT ECO map services. Add our data to your maps.

Download Data >>

Download the 2012 Ortho imagery and links to sources of geospatial data for CT.



Training Videos >>

Access video training for each section of the CTECO website.

Webinars >>

Watch a full-length webinar introducing CT ECO and the many ways to access geospatial information.

News & Updates

CT ECO Survey - Help Shape the Future of

CT ECO is getting new hardware and this is the perfect time to make some big improvements. Please take a few minutes to tell us what YOU like, don't like and would like to see on CT ECO. Thanks.Go to Survey!

2014 NAIP Aerial Imagery

Is available as a map service.

LiDAR for Connecticut

New Viewer, web pages and map services!

Making Cents Out of Carbon Sequestration Using CT's Land Cover Data

Check out the information, maps and really interesting conclusions. More will be added to this section in the future.

New maps in the Map Catalog include:

  • Coastal Area
  • Coastal Boundary
  • Ortho 2012 NAIP (leaf on) Color
  • Ortho 2012 NAIP (leaf on) Infrared

Stay Connected


Subscribe to the CT GIS email list to receive notifications and updates regarding the site and data.

Comments, Suggestions, Stories

Email us at CLEAR or at DEEP. We like to her from you!

We also post big announcements on the