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Impaired River 2014
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 Supporting, the... -
Surface Water Quality Lines
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... -
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... -
305b Assessed 2006 Lake
305b Assessed 2006 River, Lake, Estuary Set: Connecticut 305b Assessed River 2006 is a 1:24,000-scale, line feature-based layer that includes rivers that have been assessed to... -
Aquifer Protection Areas Set
See full Data Guide here. Aquifer Protection Areas Set is a 1:24,000-scale, polygon feature-based layer that includes all Preliminary (Level B) and Final (Level A) Aquifer... -
Northeast Town Lines
Northeastern United States Town Boundary data are intended for geographic display of state, county and town (municipal) boundaries at statewide and regional levels. Use it to... -
Lake Bathymetry Contours Set
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 called... -
Salt Water Limit
Salt Water Limit is a 1:24000-scale, line feature-based layer that depicts the approximate salt water limits of watercourses and embayments in coastal Connecticut. It is... -
Eelgrass Beds 2006 Set
Eelgrass Beds 2006 Set: This data layer was created by the USFWS National Wetlands Inventory, Region 5. Delineations of 2006 eelgrass beds were completed on the eastern... -
Northeastern States State Boundary Set
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.... -
Named Waterbody Lines
Named Waterbody Set: Connecticut Named Waterbody Line includes the line features of a layer named Named Waterbody. Named Waterbody is a 1:24,000-scale, polygon and line feature-... -
Connecticut and Vicinity County Boundary Set
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... -
Greenways
The CT Greenways Council and Department of Energy & Environmental Protection have designated these greenways of State significance based upon established criteria. CT Public... -
305b Assessed Lake 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... -
Ground Water Classifications Polygon
See full Data Guide here. Ground Water Classifications Polygon: Ground Water Quality Classifications is a polygon feature-based layer compiled at 1:24,000 scale that includes... -
Impaired Estuary 2008
Connecticut 303(d) Impaired Waters 2008 is a subset of Connecticut 305(b) Assessed Waters 2008. If any one of the assigned designated uses is categorized as NOT Supporting, the... -
Impaired 2008 River Lake Estuary Set
Connecticut 303(d) Impaired Waters 2008 is a subset of Connecticut 305(b) Assessed Waters 2008. If any one of the assigned designated uses is categorized as NOT Supporting, the... -
Ground Water Classifications Polygon
See full Data Guide here. Ground Water Classifications Polygon: Ground Water Quality Classifications is a polygon feature-based layer compiled at 1:24,000 scale that includes... -
Local Drainage Basin Set
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 Connecticut.... -
305b Assessed 2006 Estuary
305b Assessed 2006 River, Lake, Estuary Set: Connecticut 305b Assessed River 2006 is a 1:24,000-scale, line feature-based layer that includes rivers that have been assessed to...