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305b Assessed River 2024
305b Assessed River, Lake, Estuary 2024: Connecticut 305b Assessed River 2024 is a 1:24,000-scale, line feature-based layer that includes rivers that have been assessed to... -
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... -
Drainage Basin Polygon
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.... -
CT Vicinity State Lines
Connecticut and Vicinity 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.... -
305b Assessed 2012 Estuary
305b Assessed 2012 River, Lake, Estuary set: Connecticut 305b Assessed River 2012 is a 1:24,000-scale, line feature-based layer that includes rivers that have been assessed to... -
Quaternary Geology LIS Channel-Fill Deposits
Connecticut Quaternary Geology Long Island Submerged Marine Fluvial-Estuarine, Channel-Fill Deposits identifies early postglacial, channel-fill deposits submerged in Long Island... -
Aquifer Protection Area
See full Data Guide here. Aquifer Protection Areas Set is a 1:24,000-scale, polygon feature-based layer that includes all Preliminary (Level B) and Final (Level A) Aquifer... -
Hurricane Evacuation Zones 2014
Evacuation Zones based on 2012 SLOSH zones. The Evacuation Zones were created from the intersection of the 2010 census blocks and the SLOSH zones. They were then trimmed by... -
Northeast State Lines
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.... -
Portable Count Stations
A collection of layers maintained by the Traffic Monitoring Unit. -
Steep Slope 2 ft
OverviewThis Feature Service provides detailed geographic information on steep slope areas within the state of Connecticut. This layer was derived from the 2023 Digital... -
Surficial Aquifer Potential
This map has been prepared for statewide ground water resource protection, water management, non-point source pollution prevention, and land use planning. The map was compiled... -
Environmental Justice Distressed Municipalities 2022
Environmental Justice Block Groups 2022 was created from Connecticut block group boundary data located in the Census Bureau's 2020 TIGER/Line Shapefiles. The poverty data used... -
305b Assessed 2006 River
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... -
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... -
Topo Survey Sheet 1880s Wetland
Connecticut Historic Shoreline Wetlands: 1880s NOS T-Sheet Shoreline Features is a 1:10,000-scale, line feature-based layer that includes information depicting historic... -
Connecticut Planning Region Index
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 equals... -
NECCOG
Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All closed... -
Connecticut Dams - Public Use
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 Land Reuse,... -
Eelgrass Beds 93-95 Observed Polygon
Eelgrass Beds 93-95 Set: Eelgrass Sample Points is a 1:24,000-scale, point feature-based layer that depicts the locations where eelgrass (Zostera marina) was either observed or...
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