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    StateMigratory WaterfowlState 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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    StateEnvironmental Justice Block Groups 2023State of Connecticut — Environmental Justice 2023 Set is comprised of two layers: Environmental Justice Block Groups 2023 and Environmental Justice Distressed Municipality 2023. All Census...
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    StateSubregional Basin LineState of Connecticut — A standardized mapping of natural drainage basins in Connecticut was completed in 1981 by the Connecticut Department of Environmental Protection (DEP). This drainage...
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    State305b Assessed 2008 EstuaryState of Connecticut — 305b Assessed 2008 River, Lake, Estuary Set: Connecticut 305b Assessed River 2008 is a 1:24,000-scale, line feature-based layer that includes rivers that have been...
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    StateShellfish Area Class LineState 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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    StateHurricane Evacuation Zones 2014State of Connecticut — 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...
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    StateDrainage Basin PolygonState of Connecticut — 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...
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    StateSurface Water Quality PolygonState of Connecticut — 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...
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    StateCritical HabitatsState of Connecticut — See full Data Guide here.Connecticut Critical Habitats is a polygon feature-based layer with a resolution of +/- 10 meters that represents significant natural...
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    StateImpaired Lake 2014State of Connecticut — Connecticut 303(d) Impaired Waters 2014 is a subset of Connecticut 305(b) Assessed Waters 2014. If any one of the assigned designated uses is categorized as NOT...
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    StateCoastal BoundaryState of Connecticut — The Coastal Boundary layer is a 1:24,000-scale, polygon feature-based layer of the legal mylar-based maps adopted by the Commissioner of the Department of...
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    StateNortheast State LinesState of Connecticut — 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...
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    StateNortheast Town PolygonState of Connecticut — Northeastern United States Town Boundary data are intended for geographic display of state, county and town (municipal) boundaries at statewide and regional levels....
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    StateSubregional Basin PolyState of Connecticut — A standardized mapping of natural drainage basins in Connecticut was completed in 1981 by the Connecticut Department of Environmental Protection (DEP). This drainage...
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    StateLocal Drainage Basin DirectionState of Connecticut — 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...
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    StateConnecticut PolyState of Connecticut — 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...
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    StateMajor Basin LinesState of Connecticut — See full Data Guide here.Major Drainage Basin Set: Connecticut Major Drainage Basins is 1:24,000-scale, polygon and line feature data that define Major drainage basin...
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    StateNortheast Town LinesState of Connecticut — Northeastern United States Town Boundary data are intended for geographic display of state, county and town (municipal) boundaries at statewide and regional levels....
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    StateCT Hurricane Surge InundationState 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...
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    State305b Assessed 2012 LakeState of Connecticut — 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...
