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2021 CT State House of Representative Districts 22 recent views
These legislative district boundaries are geographically defined areas from which members are elected to State and Federal Legislatures. Redistricting is the process used to... -
Migratory Waterfowl 21 recent views
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... -
Vehicle Crash Data Repository 12 recent views
The Connecticut Crash Data Repository (CTCDR) is a web tool designed to provide access to select crash information collected by state and local police. This data repository... -
Natural Diversity Database 11 recent views
See full Resource Data Guide here.Abstract: The Natural Diversity Database Areas is a 1:24,000-scale, polygon feature-based layer that represents general locations of... -
Soils Farmland Classification 10 recent views
Farmland classification identifies map units as prime farmland, farmland of statewide importance, farmland of local importance, or unique farmland. It identifies the location... -
Election Results and Voter Turnout
A website provided by the Secretary of the State that provides real time data on election results and voter turnout across the State. -
Regional Weather Reports (CT Department of Transportation Weather Roundup)
Weather reports including precipitation and snowfall totals measured at different locations by the CT Department of Transportation. Reports are developed for individual weather... -
CTDOT Office of the State Traffic Administration (OSTA) Interactive Map
Web Mapping Application containing all layers from the Office of the State Traffic Administration that enables the user to visually review, search, and query OSTA data,... -
National Incident-Based Reporting System (NIBRS)
The CT Department of Emergency Services and Public Protection makes data on crime in Connecticut available at https://ct.beyond2020.com/. Crime data is continuously collected... -
Connecticut Water Quality
Data on drinking water in Connecticut. Drinking water is a potentially significant route of exposure to contaminants. Today’s regulatory programs are designed to monitor public... -
Connecticut State Cancer Profile
Dynamic views of cancer statistics from the National Cancer Institute -
HPMS Traffic & AADT Data
A collection of roadway assets maintained by the Roadway Inventory Unit. This data is a yearly snapshot and any up to date information after the Temporal Date Range should... -
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... -
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... -
Environmental Justice Block Groups 2023
Environmental Justice 2023 Set is comprised of two layers: Environmental Justice Block Groups 2023 and Environmental Justice Distressed Municipality 2023. All Census and ACS... -
Vital Statistics
The Office of Vital Records at the Connecticut Department of Public Health maintains statewide registries of vital events (births, fetal deaths, deaths and marriages) which have... -
Surface Water Quality Polygon
See full Data Guide here. Surface Water Quality Classifications Set: This dataset is a line and a polygon feature-based layer compiled at 1:24,000 scale that includes water... -
CTDOT Roadway Classification and Characteristic Data
A collection of roadway assets maintained by the Roadway Inventory Unit. This data is a yearly snapshot and any up to date information after the Temporal Date Range should... -
Environmental Justice Distressed Municipalities 2023
Environmental Justice 2023 Set is comprised of two layers: Environmental Justice Block Groups 2023 and Environmental Justice Distressed Municipality 2023. All Census and ACS... -
Impaired 2012 River Lake Estuary Set
Connecticut 303(d) Impaired Waters 2012 is a subset of Connecticut 305(b) Assessed Waters 2012. If any one of the assigned designated uses is categorized as NOT Supporting, the...