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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... -
Impaired Estuary 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... -
Quaternary Geology
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 Period, which... -
Town Lines
Connecticut Town Line includes the line features of a layer named Town. Town is a 1:24,000-scale, polygon and line feature-based layer that includes state, county and town... -
Soil Survey Geographic Database (SSURGO) Soil Flooding Class
See full Data Guide here. This data table defines a subset of soil interpretations available for the Soil Survey Geographic (SSURGO) database for the State of Connecticut, which... -
305b Assessed River 2016
305b Assessed 2016 River Lake Estuary Bed: Connecticut 305b Assessed River 2016 is a 1:24,000-scale, line feature-based layer that includes rivers that have been assessed to... -
305b Assessed Estuary 2020
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 assessed to... -
Quaternary Geology Cross Section Lines
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... -
Surficial Aquifer Texture
Surficial Aquifer Texture Map was prepared from the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H. and Thompson, W.B., 1992, U.S. Geological... -
CT Vicinity Town Lines
Connecticut and Vicinity Town Boundary data are intended for geographic display of state, county and town (municipal) boundaries at statewide and regional levels. Use it to map... -
CT Vicinity County Lines
Connecticut and Vicinity County Boundary data are intended for geographic display of state and county boundaries at statewide and regional levels. Use it to map and label... -
305b Assessed Estuary 2020
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 assessed to... -
Soil Survey Geographic Database (SSURGO) Soil Parent Material
See full Data Guide here. This data table defines a subset of soil interpretations available for the Soil Survey Geographic (SSURGO) database for the State of Connecticut, which... -
Shellfish
Shellfish polygons were digitized from hand drawn polygons representing hardclam, softclam, and oyster beds produced by the Department of Agriculture from their records in 1990... -
Eelgrass Beds 2002 Polygon
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 State border,... -
Quaternary Geology LIS Lake Deposits
Connecticut Quaternary Geology Long Island Submerged Marine Fluvial-Estuarine, Channel-Fill Deposits identifies early postglacial, channel-fill deposits submerged in Long Island... -
Surficial Materials
See full Data Guide here. This data layer includes the information portrayed on the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H. and... -
305b Assessed 2012 Lake
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... -
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.... -
Impaired Lake 2016
Connecticut 303(d) Impaired Waters 2016 is a subset of Connecticut 305(b) Assessed Waters 2016. If any one of the assigned designated uses is categorized as NOT Supporting, the...