Yahoo Web Search

Search results

1. www.illinoisfloods.org › content › documentsEvolution of Flood Hazard Identification and Mapping

   www.illinoisfloods.org › content › documents

   ISWS and Flood Mapping Timeline. 1968 – National Flood Insurance Act initiates nationwide mapping. 1970s – Hydrology Consultant to Illinois Division of Waterways (now the Illinois Dept. of Natural Resources Office of Water Resources) Supporting the regulation of floodplain development. Review discharges.

2. Images

   • 
   • 
   • 
   • 
   • 
   • 

   View all

3. www.illinoisfloodmaps.orgIllinois Flood Maps

   www.illinoisfloodmaps.org

   • Cached

   Resources available on this site for each Illinois county FEMA Letters Of Map Revision (LOMR) Official revision of a current FIRM accepted by FEMA, showing changes in mapped areas

4. www.usgs.gov › tools › flood-inundation-mapperFlood Inundation Mapper | U.S. Geological Survey - USGS.gov

   www.usgs.gov › tools › flood-inundation-mapper

   • Cached

   The Flood Inundation Mapper allows users to explore the full set of inundation maps that shows where flooding would occur given a selected stream condition. Users can also access historical flood information and potential loss estimates based on the severity of the flood.

5. www.isws.illinois.edu › champCoordinated Hazard Assessment and Mapping Program

   www.isws.illinois.edu › champ

   • Cached

   To date, CHAMP has produced updated, digital FIRMs showing flood-prone areas in nearly all Illinois counties. These maps show the areas—nearly 12% of the state—that have a 1% chance of inundation in any given year.

6. www.illinoisfloodmaps.org › resources-countyIllinois Flood Maps | Resources by County

   www.illinoisfloodmaps.org › resources-county

   • Cached

   The Illinois State Water Survey provides preliminary and pending Flood Insurance Rate Maps (FIRMs), Studies, and Database Products on this web site. Effective Flood Insurance Rate Maps are posted at the Federal Emergency Management Agency (FEMA) Map Service Center web site.

7. www.fema.gov › flood-mapFlood Maps - FEMA.gov

   www.fema.gov › flood-map

   • Cached

   Heavy rains, poor drainage, and even nearby construction projects can put you at risk for flood damage. Flood maps are one tool that communities use to know which areas have the highest risk of flooding. FEMA maintains and updates data through flood maps and risk assessments.

8. People also ask

   Are there flood prone areas in Illinois?

   • According to the Coordinated Hazard Assessment and Mapping Program (CHAMP), nearly 12% of Illinois has a 1% chance of inundation in any given year. CHAMP has produced updated, digital FIRMs showing flood-prone areas in nearly all Illinois counties. These maps require continual reassessments due to changing land uses and climate and as new data become available.

   Coordinated Hazard Assessment and Mapping Program

   www.isws.illinois.edu/champ

   See all results for this question

   When will the Illinois Flood Maps be relaunched?

   • The IllinoisFloodMaps.org website will be relaunched on Friday, June 16, 2023. Intermitent outages will occur on that day. Illinois Flood Maps will be relaunched with a new look. Click here for a preview of the new site. The Illinois State Water Survey is providing preliminary and pending Flood Insurance Rate Maps on this web site. Maps revised between preliminary and pending phases are not posted.

   Illinois Flood Maps

   www.illinoisfloodmaps.org/

   See all results for this question

   Where can I find a flood insurance rate map?

   • You can find preliminary and pending Flood Insurance Rate Maps for Illinois on this web site. Maps revised between preliminary and pending phases are not posted. Effective Flood Insurance Rate Maps are available at the Federal Emergency Management Agency Map Service Center web site.

   Illinois Flood Maps

   www.illinoisfloodmaps.org/

   See all results for this question

   What is a flood map?

   • Flood maps are one tool that communities use to know which areas have the highest risk of flooding. FEMA maintains and updates data through flood maps and risk assessments. Flood maps show how likely it is for an area to flood. Any place with a 1% chance or higher chance of experiencing a flood each year is considered to have a high risk.

   Flood Maps - FEMA.gov

   www.fema.gov/flood-maps

   See all results for this question

   What are the most common natural disasters in Illinois?

   • In Illinois, floods are the most common natural disaster, accounting for over 90% of declared disasters. Flooding in certain areas is predictable, yet many Illinois citizens still suffer from personal and economic losses due to flooding of homes and businesses.

   Coordinated Hazard Assessment and Mapping Program

   www.isws.illinois.edu/champ

   See all results for this question

   Do floods follow city limits or property lines?

   • Floods don’t follow city limits or property lines. Using a flood map, you can see the relationship between your property and the areas with the highest risk of flooding. There is no such thing as a “no-risk zone,” but some areas have a lower or moderate risk.

   Flood Maps - FEMA.gov

   www.fema.gov/flood-maps

   See all results for this question

9. cmap.illinois.gov › regional-plan › resourcesLocal Strategy Maps : Urban flood susceptibility index

   cmap.illinois.gov › regional-plan › resources

   • Cached

   CMAP’s urban flood susceptibility index identifies priority areas across the region for flooding mitigation activities. ON TO 2050 recognizes that continued urbanization and climate change will bring more flooding to the Chicago region.