52 datasets found
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City
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... -
City
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... -
Federal
Simulating Flood-Induced Soil and Sediment Transport with a Coupled HEC-RAS 2D and WASP Model
U.S. Environmental Protection Agency —
These datasets contain results of sediment and contaminant transport (arsenic) simulation for 100-year flood in Woodbridge watershed, NJ. The flood discharge is... -
City
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... -
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... -
State
i15 Parcels CVFPB
State of California —
This dataset is a compilation of ownership rights represented as parcels owned by the Sacramento & San Joaquin Drainage District of the State of California... -
Floodplain General Structures
District of Columbia —
Location and attributes for flood control structures shown on the flood profile and FIRM. This table is required whenever hydraulic structures are shown in the flood... -
Federal
EnviroAtlas - Portland, ME - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Floodplain Cross Sections
District of Columbia —
Location and attributes for cross section lines in the area covered by the FIRM. This layer must contain all cross sections in a model, not just the lettered cross... -
Rhode Island Avenue Metro Underpass Flood Hazard Area
District of Columbia —
On August 14, 2023, approximately 2 inches of rain fell in less than an hour at this location, flooding the underpass, stranding cars, and filling a pet daycare... -
City
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... -
Floodplain Base Flood Elevations
District of Columbia —
Location and attributes for Base Flood Elevations lines shown on FIRM. The elevation of surface water resulting from a flood that has a 1% chance of equaling or... -
Federal
EnviroAtlas - Birmingham, AL - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
State
Oregon Channel Migration
State of Oregon —
Channel migration is the natural process by which streams move laterally over time. It is typically a gradual phenomenon that works over many years to effect... -
Federal
EnviroAtlas - Portland, OR - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Storm Drain Marker Installations
District of Columbia —
Storm Drain Marker Installations is a data layer showing where storm drain markers were installed on storm sewer catchments. Markers indicate that the sewer catchments... -
Federal
EnviroAtlas - Fresno, CA - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - San Diego, CA - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - Chicago, IL - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
State
i03 RegionalFloodManagementPlanBoundaries
State of California —
Following adoption of the 2012 Central Valley Flood Protection Plan (2012 CVFPP), DWR funded six regionally-led Regional Flood Management Plans (RFMPs) that describe...
52 datasets found