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Migratory Waterfowl
Migratory Waterfowl is a 1:24,000-scale, polygon feature-based layer that depicts the concentration areas of migratory waterfowl at specific locations within Connecticut. Paul... -
Connecticut CAMA and Parcel Layer
Pursuant to Section 7-100l of the Connecticut General Statutes, each municipality is required to transmit a digital parcel file and an accompanying assessor’s database file... -
Critical Habitats
See full Data Guide here.Connecticut Critical Habitats is a polygon feature-based layer with a resolution of +/- 10 meters that represents significant natural community types... -
CT DCF Town Boundaries
This file contains boundaries for each Town in the state, including the DCF Region and Area Office responsible for providing services to each Town. This data is as of 7/1/2014,... -
Lake Bathymetry Contours Lines
See full Data Guide here. Lake Bathymetry describes the water depth for selected reservoirs, lakes, ponds, and coves in Connecticut. It includes depth contours, also called... -
Connecticut State Parcel Layer 2023
The dataset has combined the Parcels and Computer-Assisted Mass Appraisal (CAMA) data for 2023 into a single dataset. This dataset is designed to make it easier for stakeholders... -
Shellfish
Shellfish polygons were digitized from hand drawn polygons representing hardclam, softclam, and oyster beds produced by the Department of Agriculture from their records in 1990... -
Eelgrass Beds 2009 Points
Eelgrass Beds 2009 Set: This data layer was created by the Conservation Management Institute, Virginia Tech University for the USFWS National Wetlands Inventory, Region 5. The... -
Eelgrass Beds 2012 Polygon
Eelgrass Beds 2012 Polygon : This data layer was created by the Conservation Management Institute, Virginia Tech University for the USFWS National Wetlands Inventory, Region 5.... -
Phragimites 1994
Phragmites 1994 is a 1:12,000-scale, polygon feature-based layer that includes areas where phragmites existed in 1994 along the lower Connecticut River corridor from the towns... -
CT Vicinity County Polygon
Connecticut and Vicinity County Boundary data are intended for geographic display of state and county boundaries at statewide and regional levels. Use it to map and label... -
Connecticut NWI Wetlands 2024
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate the areal... -
Broadband Availability by Town 2025
Broadband Availability Data — Town-Level SummaryWhat the dataset includesLocation countsTotal broadband serviceable locationsNumber of providers Counts of unserved, underserved,... -
Eelgrass Beds 2017 Polygon
Eelgrass Beds 2017 Polygon -
2022 block xwalk
Broadband Availability Data — Block-Level SummaryWhat the dataset includesFor each Census block, the dataset provides:Location countsTotal broadband serviceable locationsNumber... -
Connecticut Railroads
Connecticut Railroads is a 1:24,000-scale, feature-based layer that includes railroad features on the U.S. Geological Survey (USGS) 7.5 minute topographic quadrangle maps for... -
Surficial Aquifer Texture
Surficial Aquifer Texture Map was prepared from the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H. and Thompson, W.B., 1992, U.S. Geological... -
Broadband Availability by Tract 2025
Broadband Availability Data — Tract-Level SummaryWhat the dataset includesLocation countsTotal broadband serviceable locationsNumber of providers Counts of unserved,... -
Quaternary Geology Cross Section Lines
Connecticut Quaternary Geology Geologic Basin Divides includes the drainage basins divides appearing on Sheet 1 of the The Quaternary Geologic Map of Connecticut and Long Island... -
Local Emergency Planning Committees (LEPC)
In May 1987, pursuant to Section 22a-601(b) of the Connecticut General Statutes (CGS), the State Emergency Response Commission (SERC) designated local planning districts by...
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