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Protected Open Space Phase1
See full Data Guide here. This layer includes polygon features that depict protected open space for towns of the Protected Open Space Mapping (POSM) project, which is... -
Connecticut Surficial Stratified Drift
These deposits originate from glacial meltwater, either deposited by streams, through settling in glacial lakes or in glacial marine environments. Stratified drift deposits are... -
Connecticut Road
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 base map... -
Subregional Basin Polygon
See full Data Guide here.Subregional Drainage Basic Set: Connecticut Subregional Drainage Basins is 1:24,000-scale, polygon and line feature data that define subregional... -
Cold Water Sites Set
Cold water habitat was determined using available fish and water temperature data collected by the Connecticut Department of Energy and Environmental Protection (CT DEEP)... -
305b Assessed 2010 River, Lake, Estuary Set
305b Assessed 2010 River, Lake, Estuary Set: Connecticut 305b Assessed River 2010 is a 1:24,000-scale, line feature-based layer that includes rivers that have been assessed to... -
DOT Scenic Land Strips
Department of Transportation (DOT) Scenic Land Strips contains parcels, generally long narrow strips of land, that were purchased by the DOT under the Federal Highway... -
Positive Linear Regression Rates (meters/year)
Shorelines are continuously moving in response to winds, waves, tides, sediment supply, changes in relative sea level, and human activities. Shoreline changes are generally not... -
2011 Protected Open Space Mapping Set
See full Data Guide here. This layer includes polygon features that depict protected open space for towns of the Protected Open Space Mapping (POSM) project, which is... -
Environmental Justice 2025 Set
Environmental Justice 2025 Set is comprised of two layers: Environmental Justice Block Groups 2024 and Environmental Justice Distressed Municipality 2025. All Census and ACS... -
Negative End Point Rates (meters/year)
Shorelines are continuously moving in response to winds, waves, tides, sediment supply, changes in relative sea level, and human activities. Shoreline changes are generally not... -
Negative Net Shoreline Movement (meters)
Shorelines are continuously moving in response to winds, waves, tides, sediment supply, changes in relative sea level, and human activities. Shoreline changes are generally not... -
Eelgrass Beds 2017 Polygon
Eelgrass Beds 2017 Polygon -
Shellfish Area Marker
Shellfish Area Classification Set: The Connecticut Department of Environmental Protection cooperated with the Department of Agriculture, Bureau of Aquaculture to publish the... -
Connecticut State
Connecticut State Line includes the line features of a layer named Connecticut. Connecticut is a 1:24,000-scale, polygon and line feature-based layer that depicts the geographic... -
Impaired Lake 2018
Connecticut 303(d) Impaired Waters 2018 is a subset of Connecticut 305(b) Assessed Waters 2018. If any one of the assigned designated uses is categorized as NOT Supporting, the... -
Cold Water Habitat Sites
Cold water habitat was determined using available fish and water temperature data collected by the Connecticut Department of Energy and Environmental Protection (CT DEEP)... -
CT 305b Assessed Lake 2022
305b Assessed River, Lake, Estuary 2022: Connecticut 305b Assessed River 2022 is a 1:24,000-scale, line feature-based layer that includes rivers that have been assessed to... -
Fisheries Management Area Lines
Fisheries Management Areas Set: CT DEEP Fisheries Management Area Polygon Features is 1:24,000-scale data that identifes fisheries management areas for the Connecticut... -
Quaternary Geology Geologic Basin Boundary
Connecticut Quaternary Geology Geologic Basin Divides includes the drainage basins divides appearing on Sheet 1 of the The Quaternary Geologic Map of Connecticut and Long Island...
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