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State
Willamette Valley Wetland Priority Sites
State of Oregon —
Wetland Priority Sites for the Willamette Valley Basin, Version 20090812 (Aug 12, 2009) Oregon Natural Heritage Information Center and The Wetlands Conservancy (TWC)... -
State
DFIRM Floodways
Vermont Center for Geographic Information —
The entire Vermont extent of the National Flood Hazard Layer (NFHL) as acquired 12/15/15 from the FEMA Map Service Center msc.fema.gov upon publication 12/2/2015 and... -
State
MD iMAP: Maryland Floodplain - Preliminary FEMA Floodplain
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. This layer offers the anticipated floodplain boundaries however - the data shown... -
State
SF Bay Tidal Datums (2016)
State of California —
This study is the first comprehensive publication of tidal datums and extreme tides for San Francisco Bay (Bay) since the United States Army Corps of Engineers... -
State
Community Vulnerability (BCDC 2020)
State of California —
The San Francisco Bay Conservation and Development Commission Adapting to Rising Tides Program developed a dataset to better understand community vulnerability to... -
State
Flood Hazard Areas (Only FEMA - digitized data)
Vermont Center for Geographic Information —
The entire Vermont extent of the National Flood Hazard Layer (NFHL) as acquired 12/15/15 from the FEMA Map Service Center msc.fema.gov upon publication 12/2/2015 and... -
State
Coastal Boundary
State 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... -
State
MD iMAP: Maryland Floodplain - Effective FEMA Floodplain
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. The Effective Floodplain layer represents the official regulatory floodplain as... -
State
DFIRM Panels
Vermont Center for Geographic Information —
The entire Vermont extent of the National Flood Hazard Layer (NFHL) as acquired 12/15/15 from the FEMA Map Service Center msc.fema.gov upon publication 12/2/2015 and... -
State
MD iMAP: Maryland Community Flood Risk Areas
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. Coastal storm and flood events may increase the likelihood of danger or damage to... -
State
DFIRM X-Sections
Vermont Center for Geographic Information —
The entire Vermont extent of the National Flood Hazard Layer (NFHL) as acquired 12/15/15 from the FEMA Map Service Center msc.fema.gov upon publication 12/2/2015 and... -
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... -
State
i17 LeveeCenterlineClass 2012
State of California —
This line feature class represents levee centerlines for 93 Levee Maintenance Agencies/Reclamation Districts in the Sacramento-San Joaquin Delta. The centerline... -
State
DFIRM - Letter of Map Revision (LOMR)
Vermont Center for Geographic Information —
The entire Vermont extent of the National Flood Hazard Layer (NFHL) as acquired 12/15/15 from the FEMA Map Service Center msc.fema.gov upon publication 12/2/2015 and... -
State
MD iMAP: Preliminary FEMA Floodplain
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The DFIRM Database presents the flood risk information depicted on a given Flood... -
State
Floodplain Manager Regions
Vermont Center for Geographic Information —
The Floodplain Management section of the VT Rivers Program works with the Federal Emergency Management Agency (FEMA) to oversee the National Flood Insurance Program... -
State
Oregon Statewide Flood Hazard Database - Other Flood Studies - 2015
State of Oregon —
This is a dataset download, not a document. The Open button will start the download.This data layer is an element of the Oregon GIS Framework. This feature dataset... -
State
MD iMAP: Effective FEMA Floodplain
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The DFIRM Database presents the flood risk information depicted on a given Flood... -
State
Oregon Statewide Flood Hazard Database - FEMA Flood Insurance Studies - 2015
State of Oregon —
This is a dataset download, not a document. The Open button will start the download.This data layer is an element of the Oregon GIS Framework. This feature dataset... -
State
i12 Levee Breaks Historic
State of California —
Dataset was built over years based on a variety of sources and ongoing incidents during the period in which the dataset steward was in the Delta Levees Program....