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Federal
Integrated Surface Dataset (Global) (Version Superseded)
National Oceanic and Atmospheric Administration, Department of Commerce —
This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded... -
Storm Surge Risk Areas
District of Columbia —
This data reflects areas with a risk of storm tide flooding from hurricanes, based on potential storm tide heights calculated by the National Weather Service's SLOSH... -
Federal
BETA - Hazard Exposure: National Highway System Bridges NGDA
Federal Geographic Data Committee —
The BETA - Hazard Exposure: National Highway System Bridges dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is part of... -
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,... -
Federal
BETA - Hazard Exposure: Principal Ports NGDA
Federal Geographic Data Committee —
The BETA - Hazard Exposure: Principal Ports dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is part of the U.S.... -
Federal
BETA - Hazard Exposure: National Highway System NGDA
Federal Geographic Data Committee —
The BETA - Hazard Exposure: National Highway System dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is part of the U.S.... -
Federal
BETA - Hazard Exposure: Select North American Rail Network Lines NGDA
Federal Geographic Data Committee —
The BETA - Hazard Exposure: Select North American Rail Network Lines dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is... -
Federal
BETA - Hazard Exposure: Primary Airport Parcels NGDA
Federal Geographic Data Committee —
The BETA - Hazard Exposure: Primary Airport Parcels dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is part of the U.S.... -
State
Hurricane Evacuation Zones 2014
State 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... -
State
CT Hurricane Surge Inundation
State 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...