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1997 Municipal and Private Open Space
See full Data Guide here. 1997 Municipal and Private Open Space Property is polygon feature-based data that includes land owned in fee simple interest by the municipalities,... -
Eelgrass Beds 2009 Polygon
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 2017 Polygon
Eelgrass Beds 2017 Polygon -
305b Assessed 2008 River
305b Assessed 2008 River, Lake, Estuary Set: Connecticut 305b Assessed River 2008 is a 1:24,000-scale, line feature-based layer that includes rivers that have been assessed to... -
Almanac API - Ranking by Geography Type within a State
This API is designed to find the rankings by any geography type within the state with a specific census metric (population or household) and ranking metric (any of the metrics... -
305b Assessed 2006 Lake
305b Assessed 2006 River, Lake, Estuary Set: Connecticut 305b Assessed River 2006 is a 1:24,000-scale, line feature-based layer that includes rivers that have been assessed to... -
Lake Bathymetry Contours Set
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... -
Speed Test API - Nation
This API returns all the speed test results for the entire United States. -
Northeastern States State Boundary Set
Northeastern United States State Boundary data are intended for geographic display of state boundaries at statewide and regional levels. Use it to map and label states on a map.... -
Named Waterbody Lines
Named Waterbody Set: Connecticut Named Waterbody Line includes the line features of a layer named Named Waterbody. Named Waterbody is a 1:24,000-scale, polygon and line... -
Broadband Provider API - by Provider Name
The Broadband Provider API searches for all providers with a specified name. -
Local Drainage Basin Set
See full Data Guide here. Drainage Basin Set: Connecticut Drainage Basins is 1:24,000-scale, polygon and line feature data that define natural drainage areas in Connecticut.... -
Federal Open Space
See full Data Guide here. Federal Open Space is a polygon feature-based layer that includes land owned in either easement or fee simple interest by the federal government.... -
Surficial Materials
See full Data Guide here. This data layer includes the information portrayed on the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H. and... -
Erosion Susceptibility Sites
Connecticut Erosion Susceptibility a 1:24,000-scale, polygon feature-based layer that was developed as a predictive tool to show areas most susceptible to terrace escarpment... -
Northeast Town Lines
Northeastern United States Town Boundary data are intended for geographic display of state, county and town (municipal) boundaries at statewide and regional levels. Use it to... -
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... -
Connecticut US Congress Districts
Connecticut US Congress Districts Districts is not intended for maps printed at map scales greater or more detailed than 1:100,000 scale (1 inch = 1.578 mile). -
Soil Survey Geographic Database (SSURGO) Soil Drainage Class
See full Data Guide here. This data table defines a subset of soil interpretations available for the Soil Survey Geographic (SSURGO) database for the State of Connecticut,... -
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...