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State
ArchaeologyGrid
State of Connecticut —
This layer denotes the presence of archaeology sites utilizing a grid based on the U.S. National Grid (10,000 m) divided into nine sections per 10,000 m grid. The red... -
State
Migratory Waterfowl
State of Connecticut —
Migratory Waterfowl is a 1:24,000-scale, polygon feature-based layer that depicts the concentration areas of migratory waterfowl at specific locations within... -
State
Environmental Justice Block Groups 2023
State of Connecticut —
Environmental Justice 2023 Set is comprised of two layers: Environmental Justice Block Groups 2023 and Environmental Justice Distressed Municipality 2023. All Census... -
State
CT Congressional Districts
State of Connecticut —
This feature layer represents the boundaries of Connecticut's congressional districts based on the latest redistricting process following the 2020 Census. More... -
State
Connecticut Planning Region Index
State of Connecticut —
Connecticut Planning Region Index is a general purpose index map of Connecticut Planning Regions based on mapped information compiled at 1:125,000 scale (1 inch... -
State
Soils Hydric Rating
State of Connecticut —
This rating indicates the percentage of map units that meets the criteria for hydric soils. Map units are composed of one or more map unit components or soil types,... -
State
CT House Districts
State of Connecticut —
This feature layer represents the boundaries of Connecticut's House of Representative’s districts based on the latest redistricting process following the 2020 Census.... -
State
Connecticut County Index
State of Connecticut —
Connecticut County Index is a general purpose index map of Connecticut counties based on information compiled at 1:125,000 scale (1 inch equals approximately 2... -
State
CT Senate Districts
State of Connecticut —
This feature layer represents the boundaries of Connecticut's Senate districts based on the latest redistricting process following the 2020 Census. More information... -
State
Connecticut Dams - Public Use
State of Connecticut —
Connecticut Dams is a 1:24,000 scale spatial data developed for use by the Dam Safety Section of the Inland Water Resources Division, Bureau of Water Protection and... -
State
Connecticut Road
State of Connecticut —
Connecticut Roads and Trails is 1:24,000-scale base map data. It depicts the location of all roads and trails published on the USGS topographic quadrangle maps. For... -
State
Alternative Groundwater Protection Criteria Area (GWPC)
State of Connecticut —
The Alternative GWPC layer is to be used when evaluating the Alternative GWPC provision, section 22a-133k-3(d)(2) of the RSRs, amended on February 16, 2021. This... -
State
Shellfish Area Class Line
State of Connecticut —
Shellfish Area Classification Set: The Connecticut Department of Environmental Protection cooperated with the Department of Agriculture, Bureau of Aquaculture to... -
State
Quaternary Geology Point Features
State of Connecticut —
See full Data Guide here. Quaternary Geology Feature Set is 1:24,000-scale data that illustrates the geologic features formed in Connecticut during the Quaternary... -
State
Connecticut Parcels 2009
State of Connecticut —
See full Data Guide here. Connecticut Parcels for Protected Open Space Mapping is a polygon feature-based layer that includes basic parcel-level information for some... -
State
Subregional Basin Line
State of Connecticut —
A standardized mapping of natural drainage basins in Connecticut was completed in 1981 by the Connecticut Department of Environmental Protection (DEP). This drainage... -
State
CT Vicinity Town Lines
State of Connecticut —
Connecticut and Vicinity Town Boundary data are intended for geographic display of state, county and town (municipal) boundaries at statewide and regional levels. Use... -
State
Coastal Area Polygon
State of Connecticut —
Coastal Area & Boundary Polygon: The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the... -
State
Named Waterbody Line
State of Connecticut —
Named Waterbody is a 1:24,000-scale, polygon and line feature-based layer that includes all named waterbodies depicted on the U.S. Geological Survey (USGS) 7.5 minute... -
State
Opportunity Zones
State of Connecticut —
These points are directly sourced from the National Historic Landmarks, National Register, State Register, Local Historic Districts, Local Historic Places, Historic...