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Lake Bathymetry Contours Lines
State of Connecticut —
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... -
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Connecticut State Parcel Layer 2023
State of Connecticut —
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... -
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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... -
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Environmental Justice Block Groups 2024
State of Connecticut —
Environmental Justice 2025 Set is comprised of two layers: Environmental Justice Block Groups 2024 and Environmental Justice Distressed Municipality 2025. All Census... -
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Local Emergency Planning Committees (LEPC)
State of Connecticut —
In May 1987, pursuant to Section 22a-601(b) of the Connecticut General Statutes (CGS), the State Emergency Response Commission (SERC) designated local planning... -
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Coastal Boundary 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... -
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Eelgrass Beds 2002 Polygon
State of Connecticut —
Eelgrass Beds 2002 Set: Field Verification of Eelgrass beds, located in the Long Island Sound, Eastern shore of Connecticut from Clinton Harbor to the Rhode Island... -
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305b Assessed River 2020
State of Connecticut —
305b Assessed River, Lake, Estuary 2020: Connecticut 305b Assessed River 2020 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
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Eelgrass Beds Historic Points
State of Connecticut —
Eelgrass Beds Historic Set: Historic Eelgrass Points is a 1:24,000-scale, point feature-based layer that depicts the locations of historic eelgrass beds (Zostera... -
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CT Vicinity Town Polygon
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... -
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CQ7 Block Avail Xwalked
State of Connecticut —
Broadband Availability Data — Block-Level SummaryWhat the dataset includesFor each Census block, the dataset provides:Location countsTotal broadband serviceable... -
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Broadband Availability by Planning Region 2025
State of Connecticut —
Broadband Availability Data — Planning Region-Level SummaryWhat the dataset includesLocation countsTotal broadband serviceable locationsNumber of providers Counts of... -
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Coastal Area
State of Connecticut —
The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the Coastal Area as defined by Connecticut... -
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Shellfish
State of Connecticut —
Shellfish polygons were digitized from hand drawn polygons representing hardclam, softclam, and oyster beds produced by the Department of Agriculture from their... -
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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... -
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Eelgrass Beds 2009 Points
State of Connecticut —
Eelgrass Beds 2009 Set: This data layer was created by the Conservation Management Institute, Virginia Tech University for the USFWS National Wetlands Inventory,... -
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Glacial Sediment Thickness
State of Connecticut —
Thickness of Glacial Sediment in Connecticut and Long Island Sound Set: The Thickness of Glacial Sediments in Connecticut and the Long Island Sound Basin layer... -
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Eelgrass Beds 2012 Polygon
State of Connecticut —
Eelgrass Beds 2012 Polygon : This data layer was created by the Conservation Management Institute, Virginia Tech University for the USFWS National Wetlands Inventory,... -
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Shellfish Area Marina
State of Connecticut —
Shellfish Area Classification Set: The Connecticut Department of Environmental Protection cooperated with the Department of Agriculture, Bureau of Aquaculture to... -
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CT Hurricane Surge Inundation
State of Connecticut —
See full Data Guide here. Worst case Hurricane Surge Inundation areas for category 1 through 4 hurricanes striking the coast of Connecticut. Hurricane surge values...