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State
Ground Water Classifications Polygon
State of Connecticut —
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... -
State
CT Full State
State of Connecticut —
This CT Full State layer consists of two individual polygons representing the land and Long Island Sound borders that make up the state of Connecticut. This land... -
State
Surface Water Quality Polygon
State 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... -
State
Connecticut NWI Wetlands 2024
State of Connecticut —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
State
305b Assessed 2008 Estuary
State 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... -
State
Eelgrass Beds 2009 Points
State of Connecticut —
Eelgrass Beds 2009 Set: This data layer was created by the Conservation Management Institute, Virginia Tech University for the USFWS National Wetlands Inventory,... -
State
Impaired Estuary 2014
State 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... -
State
305b Assessed 2012 Estuary
State 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... -
State
Eelgrass Beds 2006 Polygon
State of Connecticut —
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... -
State
DEEP Fisheries Stream Survey Points
State of Connecticut —
Fisheries Stream Survey Site includes points along streams which have been surveyed for a variety of characteristics relative to fish habitat. This datalayer includes... -
State
305b Assessed 2014 Lake
State of Connecticut —
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... -
State
Impaired Lake 2010
State of Connecticut —
Connecticut 303(d) Impaired Waters 2010 is a subset of Connecticut 305(b) Assessed Waters 2010. If any one of the assigned designated uses is categorized as NOT... -
State
Impaired River 2008
State of Connecticut —
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... -
State
Cold Water Supporting Drainage Basin
State of Connecticut —
Cold water habitat was determined using available fish and water temperature data collected by the Connecticut Department of Energy and Environmental Protection (CT... -
State
Eelgrass Beds 2012 Polygon
State of Connecticut —
Eelgrass Beds 2012 Polygon : This data layer was created by the Conservation Management Institute, Virginia Tech University for the USFWS National Wetlands Inventory,... -
State
Impaired River 2022
State of Connecticut —
Connecticut 303(d) Impaired Waters 2022 is a subset of Connecticut 305(b) Assessed Waters 2022. If any one of the assigned designated uses is categorized as NOT... -
State
LIS Dredged Material Disposal Sites
State of Connecticut —
LIS Dredged Material Disposal Sites is a polygon feature-based layer that depicts the official locations of the four active (currently used) sites for depositing... -
State
305b Assessed 2008 River
State 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... -
State
305b Assessed River 2020
State of Connecticut —
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... -
State
Impaired Lake 2018
State of Connecticut —
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...