Click on the icons next to the sources below to open the data in your preferred format. The collegelevel courses noted below have been contractdeveloped for the fema emergency management higher education project by, in most cases, practicing collegeuniversity faculty. The national flood hazard layer is for community officials and members looking to view effective regulatory flood hazard information in a gis application. In 2010, fema implemented risk map mapping, assessment and planning, the next phase in floodplain mapping now that the map modernization phase is complete. How to download floodplain data using the dnrs ftp site pdf. Contains data from the national flood hazard layer, a gis database of flood risks and regulatory flood determination data. Fema s gis flood map services are available through femas geoplatform, an arcgis online portal containing a variety of fema related data. These data sets and products can be valuable resources for various planning and analysis activities such as hydrological, slope, elevation, etc.
Using fema s map service center for communities with dfirms pdf. These maps are created by the vtanr and the data are available to the public by download from the vt anr natural resource atlas, or from the vermont center for. Data consists of digitized paper fema flood insurance rate maps for all counties except for wyandotte, which is a preliminary version of. The national flood hazard layer nfhl is a geospatial database that contains current effective flood hazard data. Gis web services for the fema national flood hazard layer. The data depict effective flood hazard information and supporting data used to. Due to recent upgrades to our web hosting capability, all gis web services now utilize ssl encryption and the gis server url string has been updated to the esri standard url string arcgisrestservices. The nfhl data incorporates digital flood insurance rate map dfirm databases published by federal emergency management agency fema. If you are mailing us the hard drive, you will need to include a postage paid return label. Click here to view various issue paper documents developed by the mapping program. Due to the size of this data set, we cant share it with you via direct download. Current effective extracts at the county level can be found at msc. The data feeds page is intended to be a one stop shop for femas open data. The metadata a document describing the dataset is also provided in pdf format.
This page provides an overview of the fema flood map service center msc, points to some of fema s flood mapping products, and provides a link to the full list of mapping products. These data sets are used to support the usgs national elevation dataset and fema floodplain mapping. These delineations are not an asset that the city maintains, but rather boundaries that dictate permitting and other development restrictions inside city limits. This book makes recommendations for a new national. The simplest way for you to access the flood hazard data, including the nfhl, is. How to download floodplain gis data using mngeo minnesota dnr division of ecological and water resources created september 2016 for dfirm counties areas with maps updated since 2003, the fema floodplain and floodway layer file should be used. Our data and information is presented both spatially and geographically including the national map, earth explorer, glovis, landsatlook, and much more. The 100year flood is referred to as the 1% annual exceedance probability flood, since it is a flood that has a 1% chance of being equaled or exceeded in any single year. This data is intended for use by our whole community stakeholders and you can find more information about the metadata within each dataset. Geographic information systems section anne arundel county, md. Geographic information systems section anne arundel. Hidalgo, texas fema flood zones hidalgo county gis map.
The gis datasets listed below are related to various types of natural features. This file contains the flood hazard zone polygons on the printed digital flood insurance map. Data from this work can be downloaded from the nc floodplain mapping information system. The data also include current and future floodplains awaiting fema approval. Please click a data category below to open or right click to save the datasets to your desktop. Floodplain metadata gis datasets gis data marc data and. The file is georeferenced to the earths surface using the universal transverse mercator utm projection and. Does anyone know if fema 100yr and 500yr floodplain data is available anywhere online in gis format i have searched but come up empty. Since 1987, gis technology has become an integral part of almost all of boulder countys governmental functions including.
How to use mngeo minnesota department of natural resources. Gis web services for the fema national flood hazard layer nfhl. Letters issued by fema that revise or amend the flood hazard information. If you are unable to access the gis web services using the legacy protocols and rest.
Click on a hyperlink below to jump to the section for the fema data indicated. Interactive floodplain maps are available through fema s map service center msc. Usgs is a primary source of geographic information systems gis data. This database contains effective bfes, dfirm cross sections, flood hazard zones, and dfirm. The geospatial team of grand canyon monitoring and research center maintains an enterprise. Fema provides the flood hazard data to support the national flood insurance program. Fema 100yr and 500yr floodplain data in gis format. Polygon feature representing flood risk as defined by the fema digital flood insurance rate map database. Sep 20, 2019 the data provide users with the ability to determine the flood zone, base flood elevation, and floodway status for a particular geographic location. Emergency management institute emi aemrc floodplain.
Document supporting ncfmps discovery process to identify and prioritize future floodplain studies. Links to gis data and web services available from fema that depict recently released flood hazard data for coastal new jersey and new york are provided below. The gis section can be reached at 410 2227744 for questions regarding digital data and gis products. The file is georeferenced to the earths surface using the universal transverse mercator utm projection and a zonal coordinate system units in meters. Apr 22, 2017 export to cad, gis, pdf, kml and csv, and access via api. All shp and gdb layers are compressed as zip files. Orange county, california geospatial data download. Fema will remove pending data once effective data are available. But as far as i can tell, that just send you to a map viewer, and download to an image or pdf. Part of the federal emergency management agency fema map modernization program is making digital floodplain data available in gis formats. The data depict effective flood hazard information and supporting data used to develop the information. Personal geodatabase and shapefiles of flood zone areas and many other county gis data layers that were used to model and create flood zone maps. The most recent nationwide extract of the national flood hazard layer is located here. The national flood hazard layer nfhl data incorporates all digital flood insurance rate mapdfirm databases published by fema, and any letters of map revision lomrs that have been issued against those databases since their publication date.
Sep 21, 2017 the national flood hazard layer nfhl is a compilation of gis data that comprises a nationwide digital flood insurance rate map. Public safety maps police, fire, ems zoning maps by city of austin 200 grid updated quarterly aerial photography 19402017 capital area of council of governments additional orthoimagerylidar dwg and dfx format planimetric data. Academic emergency management and related courses aemrc for the higher education program completed courses ready to download. Oc survey provides no warranty, expressed or implied, as to the accuracy, reliability, or. Floodplain metadata gis datasets gis data marc data. Use the msc to find your official flood map, access a range of other flood hazard products, and take advantage of tools for better understanding flood risk. The national flood hazard layer nfhl data incorporates all digital flood insurance rate mapdfirm databases published by fema, and any letters of map revision lomrs that have been issued against those databases since their. The national flood hazard layer nfhl is a compilation of gis data that comprises a nationwide digital flood insurance rate map. Geospatial data for hidalgo county from hidalgo county, texas. The data provide users with the ability to determine the flood zone, base flood elevation, and floodway status for a particular geographic location. A new multiyear fema program using a watershed approach vs. Official gis and other flood hazard map data may be available from a variety of sources. Hidalgo, texas fema flood zones hidalgo county, texas. Select topic biology and ecosystems citizen science coasts data.
The data feeds page is intended to be a one stop shop for fema s open data. The information on this page is intended for members of the general public and anyone looking to obtain fema flood hazard mapping products or information. For any questions regarding the cost of maps and publications for sale, please contact the information counter at 410 2227463 or 410 2227464. To better understand preliminary data please see the view your communitys preliminary flood hazard data webpage. Fema flood hazard data for coastal new york and new jersey. Fema provides access to the nfhl through web mapping services. Find and download gis, elevation and lidar data using the nc spatial data download portal. Download seamless nationwide nfhl gis data datasets data. All gis datasets are available for download in shapefile format.
An external usb hard drive with at least of free space. Elevation data for floodplain mapping shows that there is sufficient twodimensional base map imagery to meet femas flood map modernization goals, but that the threedimensional base elevation data that are needed to determine whether a building should have flood insurance are not adequate. Using the download data tab along the top of the window, the following data products are available by county. These data represent all floodplain delineations for which the city has records, as far back as the 1980s. The nfhl is a computer database that contains femas flood hazard map data. A quick video on downloading fema flood zone gis data and understanding the flood zone codes embedded in the attributes. Many of the same resources, as well as gis data are available at the dnrs ftp site. Floodplain fema city of baltimore open data catalog. The gis data and services are designed to provide the user with the ability to determine the flood zone, base flood elevation, and floodway status for a particular location. The q3 flood data are derived from the flood insurance rate maps firms published by the federal emergency management agency fema. A gis helps you answer questions and solve problems by looking at your data in a way that is quickly understood and easily shared source. The fema flood map service center msc is the official public source for flood hazard information produced in support of the national flood insurance program nfip. Hidalgo, texas fema flood zones hidalgo county gis. If you are unable to access the gis web services using the legacy.