1. Watershed/drainage basin delineation
  2. Map resources
    1. National Map Viewer: make your own maps
    2. State-wide Geologic Maps for Illinois: http://www.isgs.illinois.edu/maps/statewide-maps
  3. Natural Resources
    1. Water supply info
    2. ISGS Industrial Minerals Section
    3. ISGS County Coal Map Series
    4. USGS maps of state mineral resources (go to "Statistics and Information by:...State")
    5. USDA, Illinois Soils: http://www.nrcs.usda.gov/wps/portal/nrcs/main/il/soils/
    6. Illinois Dept of Agriculture: http://www.agr.state.il.us/
    7. Illinois Dept.of Public Health:
  4. Natural Hazards
    1. On-line Natural Hazard Maps (Federal Emergency Management Agency & ESRI)
      • instructions:
        1. In the "Product Search by Address" box, select "public flood map" in the product box, enter your address, and click on the "product search" box.
        2. On the results page, select "view."  You will be able to look at a copy of the flood hazard map, you can zoom in using the buttons next to the map. Note: there may be more than one page to look at, if so, you can go to the next sheet using the buttons that will be at the top of the page.
        3. On the left side of the map, click on the "Make a FIRMette" button.  This will allow you to make a printable version of a portion of the map.  (Be sure to move the pink square over the area you would like to have printed.)
    2. Illinois Floodplain Maps (click on your county and use the viewer!)
    3. Flood Factor
    4. Illinois State Geological Survey Hazards programs
    5. USGS Natural Hazards Gateway
    6. USEPA radon gas information
    7. Illinois Emergency Management Agency
    8. Surface Water Data
    9. USDA county extension office directory: http://www.csrees.usda.gov/Extension/
  5. Human-Induced Hazards
    1. USEPA searchable databases (La Salle county must be spelled with a space)
      • Use this searchable map (Enviromapper): https://enviro.epa.gov/enviro/em4ef.home
        1. Enter your zip code
        2. Click on the magnifying glass or hit "return"
        3. Zoom in on your house
        4. Click on the "Search Envirofacts" menu and select "Search by program"
        5. Select the options to map on the menu on the left hand side. Each time you select, the map will display the sites in that category on the map with a green square or a green circle with a number. (You may need to wait for the sites to show up on the map.)
          • If it is a green circle with a number, click on the circle to zoom in further. You may need to do this several times before you see a green rectangle.
        6. Click on a green rectangle to see the site name.
        7. Click on the site name to get more information about that facility.
    2. IEPA Leaking UST database: http://epadata.epa.state.il.us/land/ust/
    3. ISGS County Coal Map Series
    4. Sanborn Fire Insurance Maps
      • If you are off-campus, use this link
      • When you select a map to view, you may be prompted to select the college you belong to and then your IVCC 14 digit ID number. After adding that information you will have access to the maps.
      • great source for historical land use, access available from computers on the IVCC campus and off-campus using your IVCC ID #
      • a small circle with a "GT" next to it indicates a buried gasoline tank; a "filling station" is a gas station
    5. IEPA Landfill Capacity Report (Region 1, includes most of the IVCC district)
    6. Illinois Dept.of Public Health:
    7. U.S. Agency for Toxic Substances and Disease Registry: http://www.atsdr.cdc.gov/
    8. U.S. HUD e-maps: http://www.hud.gov/offices/cio/emaps/index.cfm (similar to the USEPA enviromapper)
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last updated: 2021-03-29