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Tidal Wetlands 1990s
In 1995 it was recognized that current Connecticut tidal wetland boundary information was critical to ensure the appropriate management and protection of the tidal wetlands... -
Soil Survey Geographic Database (SSURGO) Hydric Soils
See full Data Guide here. Hydric soils are defined as soils that formed under conditions of saturation, flooding, or ponding long enough during the growing season to develop... -
Drainage Basin Lines
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.... -
Lake Bathymetry Contours Polygon
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... -
Cross Country Skiing Permitted
DEEP Trails Set: Trail Access Points are point features in the Statewide Trails Database that describe where trails are accessed at trail heads, state and municipal parks and... -
Connecticut Polygon
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... -
Critical Habitats
See full Data Guide here. Connecticut Critical Habitats is a polygon feature-based layer with a resolution of +/- 10 meters that represents significant natural community types... -
Impaired Lake 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... -
305b Assessed Estuary 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... -
Quaternary Geology LIS Deltaic Deposits
Connecticut Quaternary Geology Long Island Submerged Marine Fluvial-Estuarine, Channel-Fill Deposits identifies early postglacial, channel-fill deposits submerged in Long Island... -
Eelgrass Beds 2009 Polygon
Eelgrass Beds 2009 Set: This data layer was created by the Conservation Management Institute, Virginia Tech University for the USFWS National Wetlands Inventory, Region 5. The... -
Wellhead Protection Areas - Adjacent State
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... -
Marine Aquatic Invasive Species Survey Data
An increasing number of damaging aquatic species are invading the waters of Connecticut. This data is from the survey used to report sightings of marine aquatic invasive species... -
Equestrian Permitted
DEEP Trails Set: Trail Access Points are point features in the Statewide Trails Database that describe where trails are accessed at trail heads, state and municipal parks and... -
305b Assessed 2014 Estuary
305b Assessed 2014 River Lake Estuary Set: Connecticut 305b Assessed River 2014 is a 1:24,000-scale, line feature-based layer that includes rivers that have been assessed to... -
Bedrock Geology Contacts
Bedrock Geology Set is a 1:50,000-scale, polygon and line feature-based layer describing the solid material that underlies the soil or other unconsolidated material of the earth... -
Tidal Wetlands 1990s
In 1995 it was recognized that current Connecticut tidal wetland boundary information was critical to ensure the appropriate management and protection of the tidal wetlands... -
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... -
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... -
305b Assessed 2008 Estuary
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 assessed to...
