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NYC Stormwater Flood Maps
City of New York —
A collection of citywide Geographic Information System (GIS) layers that show areas of potential flooding scenarios under varying sea level rise conditions. Please... -
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National Flood Hazard - FIRM Panels
Louisville Metro Government —
The S_FIRM_Pan table contains information about the FIRM panel area. A spatial file with location information also corresponds with this data table. The spatial... -
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National Flood Hazard - Cross Sections
Louisville Metro Government —
Normally, any FIRM that has associated flood profiles has cross sections. The S_XS table contains information about cross section lines. These lines usually... -
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Smart Green Infrastructure Monitoring Sensors - Historical
City of Chicago —
This dataset is historical-only. -- Results from a 2017-2018 project of City-installed sensors measuring water runoff from streets and sidewalks. These data can be... -
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Catch Basins
City of New Orleans —
Most current layer of catch basins for the City of New Orleans. Updated as needed by DPW to track cleaning and other attributes. -
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FEMA Flood Zones
City of Hartford —
According to FEMA the definition of a flood zone is a "geographic areas that FEMA has defined according to varying levels of flood risk and type of flooding. These... -
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100-Year Storm Flood Elevations (December 2024)
City of San Francisco —
Summary This shapefile (polygon feature) contains flood elevation zones associated with the 100-Year Storm Flood Risk Zone. Flood elevation zones are an area with a... -
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Building Elevation and Subgrade (BES)
City of New York —
The Building Elevation and Subgrade data contains New York City building centroids derived from the Department of Building's (DOB) February 26th, 2022 building... -
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Hurricane Evacuation Zones
City of New York —
The New York City Hurricane Evacuation Zones represent varying threat levels of flooding resulting from storm surge. New York City's hurricane contingency plans are... -
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New York City's Flood Vulnerability Index
City of New York —
The Flood Vulnerability Index (FVI) assesses the distribution of vulnerability to flooding across NYC in order to guide flood resilience policies and programs.... -
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DEP Green Infrastructure (Regulated Projects)
City of New York —
This dataset contains the locations and detailed information of green infrastructure practices in NYC neighborhoods built primarily through NYC Green Infrastructure... -
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Flood Restrictions in the City (FRIC)
City of Sioux Falls —
Feature layer containing Flood Restrictions in the City (FRIC) for Sioux Falls, South Dakota.Flood Restrictions in the City (FRIC) layer is not intended to be used... -
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Flood Hazard Area
City of Baton Rouge —
Polygon geometry with attributes displaying the 2016 Federal Emergency Management Agency flood hazard areas in East Baton Rouge Parish, Louisiana. -
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National Flood Hazard - Letter of Map Revision (LOMR)
Louisville Metro Government —
The S_LOMR feature class should contain at least one record for each Letter of Map Revision incorporated into the NFHL. Multipart polygons are not allowed. The... -
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FEMA Flood Plain
City of Philadelphia —
Federal Emergency Management Administration (FEMA) data clipped to Philadelphia. Please note, FEMA is moving away from solely using '100-year' and '500-year' flood... -
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Future Floodplain 2050s
City of New York —
This is the 100-Year Floodplain for the 2050s based on FEMA's Preliminary Work Map data and the New York Panel on Climate Change's 90th Percentile Projects for Sea-... -
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San Francisco Flood Health Vulnerability
City of San Francisco —
The San Francisco Department of Public Health Flood Health Vulnerability Index is a composite index that measures the spatial distribution and relative vulnerability...